{"schema":"lookcloser/record@0.2","compatible_with":["lookcloser/record@0.1"],"record_id":"693749125020","processing":{"collection_process_version":"legacy_unversioned","last_collected_at":null,"last_collection_event":null,"label_reader_version":"2026-07-26.2","report_schema":"lookcloser/record@0.2","rendered_at":"2026-09-03T13:43:35-0700"},"analysis_status":"complete","processing_gaps":[],"gtin":"693749125020","listing_identifier":"B002BKW1YA","brand":"THORNE","title":"THORNE - Vitamin B12 - as Methylcobalamin - Supports Heart & Nerve Health","listing_title":"THORNE - Vitamin B12 - as Methylcobalamin - Supports Heart & Nerve Health, Blood Cell Function, Restful Sleep & Methylation* - Third-Party Certified - Gluten, Dairy & Soy-Free - 60 Capsules","identity":{"canonical_gtin":"00693749125020","source_listing_gtin":"00693749125020","listing_identifier":"B002BKW1YA","product_image":"https://m.media-amazon.com/images/I/7139QLadyhL.jpg","product_image_status":"retained","product_image_provenance":{"status":"retained","source":"source_listing","identity_basis":"exact_listing_identifier","source_url":null,"primary_url":"https://m.media-amazon.com/images/I/7139QLadyhL.jpg","image_count":8,"last_attempted":"2026-07-23T12:28:10-0700","attempts":1,"last_verified":"2026-07-30T06:25:07-0700","last_http_status":206,"reachable":true},"observed_at":"2026-07-21","source_confirmations":["source_listing_gtin","external_barcode_record"],"brand_consistency":{"status":"match","compatible":true,"listing_brand":"THORNE","package_brand":"THORNE","match_method":"normalized_exact","similarity":1},"identity_rule":"exact identifiers only; related products are never substituted"},"trademark_owner":{"name":"Thorne Research, Inc.","entity":"CORPORATION","country":"IDAHO, USA; SOUTH CAROLINA, USA","address_filed":"25820 Highway 2 West, Sandpoint, IDAHO 83864, UNITED STATES","address_public":"IDAHO 83864, UNITED STATES; South Carolina 29486, UNITED STATES","serial_number":"87225752","registration_number":"5257935","wordmark":"THORNE","status_description":"SECTION 8-ACCEPTED","filed_date":"2016-11-03T00:00:00","first_use_commerce_date":"2017-04-03","registration_date":"2017-08-01","assignment_recorded":true,"goods_services":["IC 005: Dietary and nutritional supplements."],"source":"USPTO Trademark Search","source_url":"https://tsdr.uspto.gov/#caseNumber=87225752&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","identity_basis":"exact_wordmark_and_supplement_goods"},"trademark_owner_candidates":[{"name":"Thorne Research, Inc.","entity":"CORPORATION","country":"South Carolina, USA","address_filed":"620 Omni Industrial Blvd., Summerville, South Carolina 29486, UNITED STATES","address_public":"South Carolina 29486, UNITED STATES","serial_number":"99122010","registration_number":null,"wordmark":"THORNE","status_description":"REPORT COMPLETED SUSPENSION CHECK - CASE STILL SUSPENDED","filed_date":"2025-04-04T00:00:00","first_use_commerce_date":null,"registration_date":null,"assignment_recorded":false,"goods_services":["IC 035: Promotion of goods and services through sponsorship of athletic and sporting competitions and events, athletes, musicians, actors, models, dancers, and nutrition and wellness symposiums, conferences, trade shows, summits, and institutes, charities, and defense organizations; providing incentive award programs through issuance and processing of loyalty points for purchase of goods and services; arranging and conducting incentive reward programs to promote the sale of supplements, vitamins, and test kits for health, medical or veterinary purposes; business consulting and management in the field of clinical trials; retail store services featuring supplements, vitamins, bottles, mugs, beverageware, bags, clothing, headwear, stickers, test kits for health, medical or veterinary purposes, and books; on-line retail store services featuring supplements, vitamins, bottles, mugs, beverageware, bags, clothing, headwear, stickers, test kits for health, medical or veterinary purposes, and books; consulting services in the field of consumer purchasing of supplements and vitamins; providing consumer purchase information in the field of supplements and vitamins.","IC 005: dietary supplements; nutritional supplements; vitamins; probiotic supplements; powdered nutritional supplement drink mix; diagnostic kits comprising diagnostic agents, preparations and substances for health purposes; diagnostic kits comprised of reagents for use in health and wellness testing; fertility test kits; specimen collection kits for health purposes comprised of swabs and plastic bags for transmitting specimens and printed mailing labels; diagnostic agents, preparations, and substances for health, medical or veterinary purposes; reagents for health, medical or veterinary purposes.","IC 009: Downloadable software and mobile applications for collecting, analyzing, reporting, and tracking data, tests, test results, recommendations and information in the field of health, wellness, exercise, fitness, supplements, vitamins, and nutrition; downloadable publications, namely, articles, pamphlets, papers, journals, and texts, videos, and podcasts in the fields of wellness, exercise, fitness, health, supplements, vitamins, and nutrition; scientific research specimen collection devices in the nature of tubes, vials, and containers, gloves, and wipes; scientific research specimen collection devices in the nature of tubes, vials, and containers for specimen collection.","IC 010: diagnostic test kits comprised of tubes, vials and containers for specimen collection; diagnostic test kits comprised of tubes, vials, and containers, gloves, and wipes for specimen collection.","IC 041: Educational and entertainment services, namely, providing events, namely, symposiums, instruction, classes, seminars, webinars, podcasts, workshops, courses, programs, blogs, quizzes, online non-downloadable videos, and presentations in the fields of health, wellness, exercise, fitness, supplements, vitamins, and nutrition; providing a website and online non-downloadable publications in the nature of articles, newsletters, and blog posts in the field of health, wellness, exercise, fitness, supplements, vitamins, and nutrition; physical fitness assessment services for sports training purposes; counseling services in the field of physical fitness; physical fitness consultation; educational services, namely, conducting programs in the fields of health, wellness, exercise, fitness, supplements, vitamins, and nutrition; consulting services in the field of exercise and fitness; providing information in the field of exercise and fitness.","IC 042: Scientific research; health, medical and veterinary research; research and development services in the field of health, wellness, exercise, fitness, supplements, vitamins, and nutrition; providing on-line non-downloadable software for collecting, analyzing, reporting, and tracking data, tests, test results, recommendations and information in the field of health, wellness, exercise, fitness, supplements, vitamins, and nutrition; software as a service (SAAS) services featuring software for collecting, analyzing, reporting, and tracking data, tests, test results, recommendations and information in the field of health, wellness, exercise, fitness, supplements, vitamins, and nutrition; providing on-line non-downloadable software for providing guidelines, recommendations, and health and clinical decision support; software as a service (SAAS) services featuring software for providing guidelines, recommendations, and health and clinical decision support; providing medical and scientific research information in the field of clinical trials; providing on-line non-downloadable software for managing clinical trials; providing information about medical and scientific research; compiling data for research purposes in the field of health, medical or veterinary research; scientific study and research in the field of prevention, treatment and management of illness.","IC 044: Health assessment services; health, medical and veterinary testing services; consulting services in the field of health, wellness, and nutrition; providing information in the field of health, wellness, and nutrition; health care services, namely, wellness programs; healthcare services, namely, nutrition and lifestyle wellness programs; healthcare services, namely, providing biometric screenings; health assessment services, namely, conducting health surveys; health assessment services, namely, conducting health surveys to assess health risks; physical examination services."],"source":"USPTO Trademark Search","source_url":"https://tsdr.uspto.gov/#caseNumber=99122010&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","identity_basis":"exact_wordmark_and_supplement_goods"}],"trademark_owner_status":"found","product_manufacturer_link":"not_established","label_responsible_parties":[],"identity_nodes":[{"role":"trademark_owner","name":"Thorne Research, Inc.","country":"IDAHO, USA; SOUTH CAROLINA, USA","address":"25820 Highway 2 West, Sandpoint, IDAHO 83864, UNITED STATES","source_ref":"uspto_search","identity_basis":"exact_wordmark_supplement_class"}],"seller_of_record":null,"seller_of_record_status":"not_collected_founder_gated","consumer_view":{"template":"claim_question","kicker":"What we found","headline":"Testing claimed — documentation not found","deck":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. …","display_mode":"single_home_per_finding","finding_ids":["certification-laboratory-record-testing-claimed-documentation-not-found","nih-published-research-each-ingredient-s-amount-is-disclosed","barcode-gtin-record-upc-independently-corroborated","uspto-trademark-registry-exact-trademark-owner-identified","review_velocity_gradual"],"point_finding_ids":["certification-laboratory-record-testing-claimed-documentation-not-found","nih-published-research-each-ingredient-s-amount-is-disclosed","barcode-gtin-record-upc-independently-corroborated"],"cards":[{"finding_id":"certification-laboratory-record-testing-claimed-documentation-not-found","card_type":"testing_claimed_no_lab","question":"safety","tone":"warn","weight":80,"headline":"The observed listing says it is tested, but names no lab or certifier.","evidence":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. Under NSF/ANSI 173, NSF lists Thorne® products, including Thorne® L-Glutamine Powder, but the retained registry…","so_what":"A testing badge without an issuer or report is a marketing claim, not evidence. Ask for the lab name and lot-specific report.","source":"Certification / laboratory record","source_links":[{"label":"Observed listing claim","url":"https://www.amazon.com/dp/B002BKW1YA","role":"claim surface"},{"label":"NSF/ANSI 173 registry","url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=thorne&","role":"brand-level result · Thorne®"}],"registry_receipts":[{"source":"nsf_search","url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=thorne&","label":"NSF/ANSI 173 · Thorne®","registry_name":"NSF","standard":"NSF/ANSI 173","identifier":"Thorne®"}],"evidence_id":"ev-ee45fb6df728","evidence_url":"https://lookcloser.ai/e/ev-ee45fb6df728","presentation_home":"claim_scorecard"},{"finding_id":"nih-published-research-each-ingredient-s-amount-is-disclosed","card_type":"amounts_disclosed","question":"label","tone":"ok","weight":50,"headline":"Every ingredient shows its amount · 1 ingredients listed.","evidence":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","so_what":"Every ingredient shows its real amount — nothing is hidden in a proprietary blend.","source":"NIH / published research","source_links":[],"registry_receipts":[],"evidence_id":"ev-564cf34d4f49","evidence_url":"https://lookcloser.ai/e/ev-564cf34d4f49","presentation_home":"finding_catalog"},{"finding_id":"barcode-gtin-record-upc-independently-corroborated","card_type":"upc_corroborated","question":"owner","tone":"ok","weight":48,"headline":"The barcode identity checks out · 693749125020.","evidence":"Open Food Facts resolves 693749125020 to \"Vitamin B12 As Methylcobalamin\" (Thorne) — consistent with this listing.","so_what":"The barcode matches, so we are checking the right product rather than a look-alike.","source":"Barcode / GTIN record","source_links":[],"registry_receipts":[],"evidence_id":"ev-300272b8cdad","evidence_url":"https://lookcloser.ai/e/ev-300272b8cdad","presentation_home":"finding_catalog"},{"finding_id":"uspto-trademark-registry-exact-trademark-owner-identified","card_type":"owner_identified","question":"owner","tone":"neutral","weight":38,"headline":"🇺🇸 Brand owner: Thorne Research, Inc. · corporation, IDAHO, USA; SOUTH CAROLINA, USA","evidence":"USPTO lists Thorne Research, Inc. (CORPORATION) in IDAHO, USA; SOUTH CAROLINA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","so_what":"This tells you who is behind the brand and where the trademark record points. It does not by itself identify the manufacturer.","source":"USPTO trademark registry","source_links":[],"registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=87225752&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 5257935","registry_name":"USPTO","standard":null,"identifier":"Registration 5257935"}],"evidence_id":"ev-b0e9a45b72d3","evidence_url":"https://lookcloser.ai/e/ev-b0e9a45b72d3","presentation_home":"ownership_section"},{"finding_id":"review_velocity_gradual","card_type":"review_velocity","question":"reviews","tone":"ok","weight":28,"headline":"Reviews rose from 248 to 433 between August 11, 2025 and August 31, 2026 — no sudden jump.","evidence":"Written reviews rose from 248 to 433 between August 11, 2025 and August 31, 2026. The largest rise inside any single 30-day window was about 25, so the count moved in steps rather than in one burst.","so_what":"A count that moves steadily is ordinary. A sudden burst is what deserves a closer look.","source":"keepa","source_links":[{"label":"Keepa exact-listing history","url":"https://keepa.com/#!product/1-B002BKW1YA","role":"dated count history · exact listing"}],"registry_receipts":[],"evidence_id":"ev-5e7eb5787439","evidence_url":"https://lookcloser.ai/e/ev-5e7eb5787439","presentation_home":"finding_catalog"}],"research_links":[],"open_items":["No FDA recall matched this brand in the current search.","We have not found a public label filing for this exact product."]},"tldr":{"assessment":"checks_confirmed","headline":"Testing claimed — documentation not found","summary":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. Under NSF/ANSI 173, NSF lists Thorne® products, including Thorne® L-Glutamine Powder, but the retained registry result does not cover this exact SKU. IFOS, USP, and Informed-Sport were not checked in this record.","lead_finding_id":"certification-laboratory-record-testing-claimed-documentation-not-found","key_findings":[{"id":"nih-published-research-each-ingredient-s-amount-is-disclosed","class":"ok","headline":"Each ingredient’s amount is disclosed","source":"NIH / published research","scope":"ingredient_context"},{"id":"uspto-trademark-registry-exact-trademark-owner-identified","class":"ok","headline":"Exact trademark owner identified","source":"USPTO trademark registry","scope":"brand_owner"},{"id":"barcode-gtin-record-upc-independently-corroborated","class":"ok","headline":"UPC independently corroborated","source":"Barcode / GTIN record","scope":"exact_product"}],"documented_concern_count":0,"confirmed_check_count":4,"open_question_count":3,"usage_note":"Decision support, not medical advice or a product recommendation. Missing evidence is a gap, not a strike."},"origin_context":null,"verdict":{"state":"checks_confirmed","headline":"Testing claimed — documentation not found","detail":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. Under NSF/ANSI 173, NSF lists Thorne® products, including Thorne® L-Glutamine Powder, but the retained registry result does not cover this exact SKU. IFOS, USP, and Informed-Sport were not checked in this record.","lead_finding_id":"certification-laboratory-record-testing-claimed-documentation-not-found","meaning":"Finding-first decision support. Confirmed checks are not endorsements; cautions identify documented facts or bounded comparisons, not medical advice."},"public_verifiability":{"state":"insufficient_public_data","headline":"This product can't be verified from public data","detail":"Neither good nor bad — the checks below show what this listing publishes and what it withholds. Verifiable products publish more.","meaning":"Evidence availability only. Missing public data is a gap, never a strike."},"consistency_score":null,"findings":[{"id":"nih-published-research-each-ingredient-s-amount-is-disclosed","source":"NIH / published research","class":"ok","noted":false,"severity":"ok","weight":38,"headline":"Each ingredient’s amount is disclosed","detail":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","proof":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","identity_basis":"ingredient","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B002BKW1YA","scope":"ingredient_context","inference_level":"direct_observation","observed_at":"2026-07-21","presentation_tone":"ok","evidence_id":"ev-564cf34d4f49","evidence_url":"https://lookcloser.ai/e/ev-564cf34d4f49","content_fingerprint":"sha256:7b51809520f30c0cfb92ff412d360df0d37f420e9ddc7a878eaafe1f560a57de","registry_receipts":[],"evidence":{"summary":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked NIH / published research.","found":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research."},"html_anchor":"finding-nih-published-research-each-ingredient-s-amount-is-disclosed","report_url":"https://lookcloser.ai/p/693749125020/full#finding-nih-published-research-each-ingredient-s-amount-is-disclosed"},{"id":"uspto-trademark-registry-exact-trademark-owner-identified","source":"USPTO trademark registry","class":"ok","noted":false,"severity":"ok","weight":38,"headline":"Exact trademark owner identified","detail":"USPTO lists Thorne Research, Inc. (CORPORATION) in IDAHO, USA; SOUTH CAROLINA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","proof":"USPTO lists Thorne Research, Inc. (CORPORATION) in IDAHO, USA; SOUTH CAROLINA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","identity_basis":"owner_exact","status":"live","source_refs":["uspto_search"],"source_url":"https://tsdr.uspto.gov/#caseNumber=87225752&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"direct_observation","observed_at":"2026-07-21","presentation_tone":"ok","evidence_id":"ev-b0e9a45b72d3","evidence_url":"https://lookcloser.ai/e/ev-b0e9a45b72d3","content_fingerprint":"sha256:8d96f4a3b181fd218ddfcfcf28d219ec5608f2f3973401655b1244dd01626645","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=87225752&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 5257935","registry_name":"USPTO","standard":null,"identifier":"Registration 5257935"}],"evidence":{"summary":"USPTO lists Thorne Research, Inc. (CORPORATION) in IDAHO, USA; SOUTH CAROLINA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","source_refs":["uspto_search"],"source_records":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=87225752&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-21","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5257935","receipt_label":"USPTO · Registration 5257935"}],"observed_at":"2026-07-21","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO lists Thorne Research, Inc. (CORPORATION) in IDAHO, USA; SOUTH CAROLINA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product."},"html_anchor":"finding-uspto-trademark-registry-exact-trademark-owner-identified","report_url":"https://lookcloser.ai/p/693749125020/full#finding-uspto-trademark-registry-exact-trademark-owner-identified"},{"id":"barcode-gtin-record-upc-independently-corroborated","source":"Barcode / GTIN record","class":"ok","noted":false,"severity":"ok","weight":38,"headline":"UPC independently corroborated","detail":"Open Food Facts resolves 693749125020 to \"Vitamin B12 As Methylcobalamin\" (Thorne) — consistent with this listing.","proof":"Open Food Facts resolves 693749125020 to \"Vitamin B12 As Methylcobalamin\" (Thorne) — consistent with this listing.","identity_basis":"gtin","status":"live","source_refs":["barcode_search","source_listing"],"source_url":"https://world.openfoodfacts.org/product/00693749125020","scope":"exact_product","inference_level":"direct_observation","observed_at":"2026-07-21","presentation_tone":"ok","evidence_id":"ev-300272b8cdad","evidence_url":"https://lookcloser.ai/e/ev-300272b8cdad","content_fingerprint":"sha256:e3e6cde7853132a1bc9382a4297aa20f64e4549b19c389c1da38bff3ff7dbb90","registry_receipts":[],"evidence":{"summary":"Open Food Facts resolves 693749125020 to \"Vitamin B12 As Methylcobalamin\" (Thorne) — consistent with this listing.","source_refs":["barcode_search","source_listing"],"source_records":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00693749125020","observed_at":"2026-07-21","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked Barcode / GTIN record.","found":"Open Food Facts resolves 693749125020 to \"Vitamin B12 As Methylcobalamin\" (Thorne) — consistent with this listing."},"html_anchor":"finding-barcode-gtin-record-upc-independently-corroborated","report_url":"https://lookcloser.ai/p/693749125020/full#finding-barcode-gtin-record-upc-independently-corroborated"},{"id":"label-and-serving-arithmetic-label-math-could-not-be-verified","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"pend","weight":26,"headline":"Label math could not be verified","detail":"The retained listing evidence does not establish net weight, per-serving dose, servings per container, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike.","proof":"The retained listing evidence does not establish net weight, per-serving dose, servings per container, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B002BKW1YA","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-889f69f49a9f","evidence_url":"https://lookcloser.ai/e/ev-889f69f49a9f","content_fingerprint":"sha256:1b90c0ccfb6a73b93eb00d41afafafe6a43e27dd887dfcc2280aeab4d45336f5","registry_receipts":[],"evidence":{"summary":"The retained listing evidence does not establish net weight, per-serving dose, servings per container, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked Label and serving arithmetic.","found":"The retained listing evidence does not establish net weight, per-serving dose, servings per container, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike."},"html_anchor":"finding-label-and-serving-arithmetic-label-math-could-not-be-verified","report_url":"https://lookcloser.ai/p/693749125020/full#finding-label-and-serving-arithmetic-label-math-could-not-be-verified"},{"id":"certification-laboratory-record-testing-claimed-documentation-not-found","source":"Certification / laboratory record","class":"gap","noted":true,"severity":"pend","weight":23,"headline":"Testing claimed — documentation not found","detail":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. Under NSF/ANSI 173, NSF lists Thorne® products, including Thorne® L-Glutamine Powder, but the retained registry result does not cover this exact SKU. IFOS, USP, and Informed-Sport were not checked in this record.","proof":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. Under NSF/ANSI 173, NSF lists Thorne® products, including Thorne® L-Glutamine Powder, but the retained registry result does not cover this exact SKU. IFOS, USP, and Informed-Sport were not checked in this record.","identity_basis":"none","status":"live","source_refs":["nsf_search","source_listing"],"source_url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=thorne&","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-ee45fb6df728","evidence_url":"https://lookcloser.ai/e/ev-ee45fb6df728","content_fingerprint":"sha256:2e79a52b098a698ad9f4962e3f04f4db40e713a9943628d54052156abcafa56b","registry_receipts":[{"source":"nsf_search","url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=thorne&","label":"NSF/ANSI 173 · Thorne®","registry_name":"NSF","standard":"NSF/ANSI 173","identifier":"Thorne®"}],"evidence":{"summary":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. Under NSF/ANSI 173, NSF lists Thorne® products, including Thorne® L-Glutamine Powder, but the retained registry result does not cover this exact SKU. IFOS, USP, and Informed-Sport were not checked in this record.","source_refs":["nsf_search","source_listing"],"source_records":[{"source":"nsf_search","source_url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=thorne&","observed_at":"2026-07-21","identity_basis":"company_brand","scope":"product_or_brand","registry_name":"NSF","standard":"NSF/ANSI 173","identifier":"Thorne®","receipt_label":"NSF/ANSI 173 · Thorne®"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked Certification / laboratory record.","found":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. Under NSF/ANSI 173, NSF lists Thorne® products, including Thorne® L-Glutamine Powder, but the retained registry result does not cover this exact SKU. IFOS, USP, and Informed-Sport were not checked in this record."},"html_anchor":"finding-certification-laboratory-record-testing-claimed-documentation-not-found","report_url":"https://lookcloser.ai/p/693749125020/full#finding-certification-laboratory-record-testing-claimed-documentation-not-found"},{"id":"review_velocity_gradual","source":"keepa","class":"ok","weight":20,"headline":"The review count moved gradually, not in one burst","detail":"Written reviews rose from 248 to 433 between August 11, 2025 and August 31, 2026. The largest rise inside any single 30-day window was about 25, so the count moved in steps rather than in one burst.","proof":{"first":["2025-08-11",248],"last":["2026-08-31",433],"max_30d_review_gain":25},"identity_basis":"listing","status":"live","severity":"ok","source_refs":["source_listing"],"source_url":"https://www.amazon.com/dp/B002BKW1YA","scope":"exact_listing","inference_level":"direct_observation","observed_at":"2026-07-21","presentation_tone":"ok","evidence_id":"ev-5e7eb5787439","evidence_url":"https://lookcloser.ai/e/ev-5e7eb5787439","content_fingerprint":"sha256:d224a77db20f2271a9b387b28e7cb5254dd196b82ddcbe86660dad169ee6727f","registry_receipts":[],"evidence":{"summary":{"first":["2025-08-11",248],"last":["2026-08-31",433],"max_30d_review_gain":25},"source_refs":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked keepa.","found":"Written reviews rose from 248 to 433 between August 11, 2025 and August 31, 2026. The largest rise inside any single 30-day window was about 25, so the count moved in steps rather than in one burst."},"html_anchor":"finding-review_velocity_gradual","report_url":"https://lookcloser.ai/p/693749125020/full#finding-review_velocity_gradual"},{"id":"certification-laboratory-record-brand-holds-nsf-ansi-173-certification-b","source":"Certification / laboratory record","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Brand holds NSF/ANSI 173 certification (brand-level)","detail":"Thorne® appears in NSF’s certified-products registry with 10 certified product(s), but we couldn’t confirm this exact listing is among them. Closest listed product: “Thorne® Vitamin B12”. Certification covers contents and contaminants — not effectiveness.","proof":"Thorne® appears in NSF’s certified-products registry with 10 certified product(s), but we couldn’t confirm this exact listing is among them. Closest listed product: “Thorne® Vitamin B12”. Certification covers contents and contaminants — not effectiveness.","identity_basis":"none","status":"live","source_refs":["nsf_search","source_listing"],"source_url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=thorne&","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-81eaf43a8b50","evidence_url":"https://lookcloser.ai/e/ev-81eaf43a8b50","content_fingerprint":"sha256:6f9fb977f1ee479fe78da4b6193cff0600708ee20772148492316c2a2c987c29","registry_receipts":[{"source":"nsf_search","url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=thorne&","label":"NSF/ANSI 173 · Thorne®","registry_name":"NSF","standard":"NSF/ANSI 173","identifier":"Thorne®"}],"evidence":{"summary":"Thorne® appears in NSF’s certified-products registry with 10 certified product(s), but we couldn’t confirm this exact listing is among them. Closest listed product: “Thorne® Vitamin B12”. Certification covers contents and contaminants — not effectiveness.","source_refs":["nsf_search","source_listing"],"source_records":[{"source":"nsf_search","source_url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=thorne&","observed_at":"2026-07-21","identity_basis":"company_brand","scope":"product_or_brand","registry_name":"NSF","standard":"NSF/ANSI 173","identifier":"Thorne®","receipt_label":"NSF/ANSI 173 · Thorne®"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked Certification / laboratory record.","found":"Thorne® appears in NSF’s certified-products registry with 10 certified product(s), but we couldn’t confirm this exact listing is among them. Closest listed product: “Thorne® Vitamin B12”. Certification covers contents and contaminants — not effectiveness."},"html_anchor":"finding-certification-laboratory-record-brand-holds-nsf-ansi-173-certification-b","report_url":"https://lookcloser.ai/p/693749125020/full#finding-certification-laboratory-record-brand-holds-nsf-ansi-173-certification-b"},{"id":"label-and-serving-arithmetic-public-label-filing-not-retained","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Public label filing not retained","detail":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","proof":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B002BKW1YA","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-a1e2379b6f6b","evidence_url":"https://lookcloser.ai/e/ev-a1e2379b6f6b","content_fingerprint":"sha256:aebd6359795fb2d19fa8b496e5709490a87b8a8d18fc3f8713b7a352c666d17e","registry_receipts":[],"evidence":{"summary":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked Label and serving arithmetic.","found":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists."},"html_anchor":"finding-label-and-serving-arithmetic-public-label-filing-not-retained","report_url":"https://lookcloser.ai/p/693749125020/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"fda-public-records-recall-search-no-match-found-as-of-sep-03-2026","source":"FDA public records","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Recall search: no match found (as of Sep 03, 2026)","detail":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records.","proof":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records.","identity_basis":"none","status":"live","source_refs":["openfda_search"],"source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%22THORNE%22+OR+product_description:%22THORNE%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"caution","evidence_id":"ev-2665017435de","evidence_url":"https://lookcloser.ai/e/ev-2665017435de","content_fingerprint":"sha256:b8ef11b0d7ba584afa0d375333e054b5ad60e6bac9df215846bcd58094f85897","registry_receipts":[],"evidence":{"summary":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records.","source_refs":["openfda_search"],"source_records":[{"source":"openfda_search","source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%22THORNE%22+OR+product_description:%22THORNE%22)&limit=5","observed_at":"2026-07-21","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"THORNE","receipt_label":"FDA enforcement search · THORNE"}],"observed_at":"2026-07-21","looked":"LookCloser checked FDA public records.","found":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records."},"html_anchor":"finding-fda-public-records-recall-search-no-match-found-as-of-sep-03-2026","report_url":"https://lookcloser.ai/p/693749125020/full#finding-fda-public-records-recall-search-no-match-found-as-of-sep-03-2026"},{"id":"keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","source":"Keepa exact-listing history","class":"gap","noted":false,"severity":"info","weight":19,"headline":"This item belongs to a catalog variation family","detail":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","proof":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","identity_basis":"listing","status":"live","source_refs":["keepa_history","source_listing"],"source_url":"https://keepa.com/#!product/1-B002BKW1YA","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-7d1692acc2d9","evidence_url":"https://lookcloser.ai/e/ev-7d1692acc2d9","content_fingerprint":"sha256:4d57aca0998d42360b8420ee5894c27aadab818b168528016459600be88f11aa","registry_receipts":[],"evidence":{"summary":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","source_refs":["keepa_history","source_listing"],"source_records":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B002BKW1YA","observed_at":"2026-07-21","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked Keepa exact-listing history.","found":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant."},"html_anchor":"finding-keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","report_url":"https://lookcloser.ai/p/693749125020/full#finding-keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam"},{"id":"keepa-exact-listing-history-180-day-review-count-history-is-on-file","source":"Keepa exact-listing history","class":"gap","noted":false,"severity":"info","weight":16,"headline":"180-day review-count history is on file","detail":"Exact-listing history records written-review counts from 244 on 2025-08-04 to 433 on 2026-08-31 (net +189). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","proof":"Exact-listing history records written-review counts from 244 on 2025-08-04 to 433 on 2026-08-31 (net +189). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","identity_basis":"listing","status":"live","source_refs":["keepa_history","source_listing"],"source_url":"https://keepa.com/#!product/1-B002BKW1YA","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-44b371f56578","evidence_url":"https://lookcloser.ai/e/ev-44b371f56578","content_fingerprint":"sha256:54ee7c2d01b34f7b17379ebc8fda17d7152e61f7d500a56fd3c909f35898affb","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 244 on 2025-08-04 to 433 on 2026-08-31 (net +189). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","source_refs":["keepa_history","source_listing"],"source_records":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B002BKW1YA","observed_at":"2026-07-21","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 244 on 2025-08-04 to 433 on 2026-08-31 (net +189). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic."},"html_anchor":"finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file","report_url":"https://lookcloser.ai/p/693749125020/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"}],"evidence_records":[{"evidence_id":"ev-b0e9a45b72d3","record_id":"693749125020","gtin":"693749125020","claim_key":"finding:uspto-trademark-registry-exact-trademark-owner-identified","primary_source":"uspto_search","claim":"Exact trademark owner identified","bucket":"checks_out","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO lists Thorne Research, Inc. (CORPORATION) in IDAHO, USA; SOUTH CAROLINA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","proof":{"detail":"USPTO lists Thorne Research, Inc. (CORPORATION) in IDAHO, USA; SOUTH CAROLINA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product."},"source_refs":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=87225752&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-21","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5257935","receipt_label":"USPTO · Registration 5257935"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:8d96f4a3b181fd218ddfcfcf28d219ec5608f2f3973401655b1244dd01626645","evidence_url":"https://lookcloser.ai/e/ev-b0e9a45b72d3"},{"evidence_id":"ev-300272b8cdad","record_id":"693749125020","gtin":"693749125020","claim_key":"finding:barcode-gtin-record-upc-independently-corroborated","primary_source":"barcode_search","claim":"UPC independently corroborated","bucket":"checks_out","looked":"LookCloser checked Barcode / GTIN record.","found":"Open Food Facts resolves 693749125020 to \"Vitamin B12 As Methylcobalamin\" (Thorne) — consistent with this listing.","proof":{"detail":"Open Food Facts resolves 693749125020 to \"Vitamin B12 As Methylcobalamin\" (Thorne) — consistent with this listing."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00693749125020","observed_at":"2026-07-21","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:e3e6cde7853132a1bc9382a4297aa20f64e4549b19c389c1da38bff3ff7dbb90","evidence_url":"https://lookcloser.ai/e/ev-300272b8cdad"},{"evidence_id":"ev-5e7eb5787439","record_id":"693749125020","gtin":"693749125020","claim_key":"finding:review_velocity_gradual","primary_source":"source_listing","claim":"The review count moved gradually, not in one burst","bucket":"checks_out","looked":"LookCloser checked keepa.","found":"Written reviews rose from 248 to 433 between August 11, 2025 and August 31, 2026. The largest rise inside any single 30-day window was about 25, so the count moved in steps rather than in one burst.","proof":{"first":["2025-08-11",248],"last":["2026-08-31",433],"max_30d_review_gain":25},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:d224a77db20f2271a9b387b28e7cb5254dd196b82ddcbe86660dad169ee6727f","evidence_url":"https://lookcloser.ai/e/ev-5e7eb5787439"},{"evidence_id":"ev-564cf34d4f49","record_id":"693749125020","gtin":"693749125020","claim_key":"finding:nih-published-research-each-ingredient-s-amount-is-disclosed","primary_source":"facts_panel","claim":"Each ingredient’s amount is disclosed","bucket":"checks_out","looked":"LookCloser checked NIH / published research.","found":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","proof":{"detail":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:7b51809520f30c0cfb92ff412d360df0d37f420e9ddc7a878eaafe1f560a57de","evidence_url":"https://lookcloser.ai/e/ev-564cf34d4f49"},{"evidence_id":"ev-2665017435de","record_id":"693749125020","gtin":"693749125020","claim_key":"finding:fda-public-records-recall-search-no-match-found-as-of-sep-03-2026","primary_source":"openfda_search","claim":"Recall search: no match found (as of Sep 03, 2026)","bucket":"unverified","looked":"LookCloser checked FDA public records.","found":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records.","proof":{"detail":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records."},"source_refs":[{"source":"openfda_search","source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%22THORNE%22+OR+product_description:%22THORNE%22)&limit=5","observed_at":"2026-07-21","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"THORNE","receipt_label":"FDA enforcement search · THORNE"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:b8ef11b0d7ba584afa0d375333e054b5ad60e6bac9df215846bcd58094f85897","evidence_url":"https://lookcloser.ai/e/ev-2665017435de"},{"evidence_id":"ev-889f69f49a9f","record_id":"693749125020","gtin":"693749125020","claim_key":"finding:label-and-serving-arithmetic-label-math-could-not-be-verified","primary_source":"facts_panel","claim":"Label math could not be verified","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"The retained listing evidence does not establish net weight, per-serving dose, servings per container, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike.","proof":{"detail":"The retained listing evidence does not establish net weight, per-serving dose, servings per container, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:1b90c0ccfb6a73b93eb00d41afafafe6a43e27dd887dfcc2280aeab4d45336f5","evidence_url":"https://lookcloser.ai/e/ev-889f69f49a9f"},{"evidence_id":"ev-a1e2379b6f6b","record_id":"693749125020","gtin":"693749125020","claim_key":"finding:label-and-serving-arithmetic-public-label-filing-not-retained","primary_source":"facts_panel","claim":"Public label filing not retained","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","proof":{"detail":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:aebd6359795fb2d19fa8b496e5709490a87b8a8d18fc3f8713b7a352c666d17e","evidence_url":"https://lookcloser.ai/e/ev-a1e2379b6f6b"},{"evidence_id":"ev-81eaf43a8b50","record_id":"693749125020","gtin":"693749125020","claim_key":"finding:certification-laboratory-record-brand-holds-nsf-ansi-173-certification-b","primary_source":"nsf_search","claim":"Brand holds NSF/ANSI 173 certification (brand-level)","bucket":"unverified","looked":"LookCloser checked Certification / laboratory record.","found":"Thorne® appears in NSF’s certified-products registry with 10 certified product(s), but we couldn’t confirm this exact listing is among them. Closest listed product: “Thorne® Vitamin B12”. Certification covers contents and contaminants — not effectiveness.","proof":{"detail":"Thorne® appears in NSF’s certified-products registry with 10 certified product(s), but we couldn’t confirm this exact listing is among them. Closest listed product: “Thorne® Vitamin B12”. Certification covers contents and contaminants — not effectiveness."},"source_refs":[{"source":"nsf_search","source_url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=thorne&","observed_at":"2026-07-21","identity_basis":"company_brand","scope":"product_or_brand","registry_name":"NSF","standard":"NSF/ANSI 173","identifier":"Thorne®","receipt_label":"NSF/ANSI 173 · Thorne®"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:6f9fb977f1ee479fe78da4b6193cff0600708ee20772148492316c2a2c987c29","evidence_url":"https://lookcloser.ai/e/ev-81eaf43a8b50"},{"evidence_id":"ev-ee45fb6df728","record_id":"693749125020","gtin":"693749125020","claim_key":"finding:certification-laboratory-record-testing-claimed-documentation-not-found","primary_source":"nsf_search","claim":"Testing claimed — documentation not found","bucket":"unverified","looked":"LookCloser checked Certification / laboratory record.","found":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. Under NSF/ANSI 173, NSF lists Thorne® products, including Thorne® L-Glutamine Powder, but the retained registry result does not cover this exact SKU. IFOS, USP, and Informed-Sport were not checked in this record.","proof":{"detail":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. Under NSF/ANSI 173, NSF lists Thorne® products, including Thorne® L-Glutamine Powder, but the retained registry result does not cover this exact SKU. IFOS, USP, and Informed-Sport were not checked in this record."},"source_refs":[{"source":"nsf_search","source_url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=thorne&","observed_at":"2026-07-21","identity_basis":"company_brand","scope":"product_or_brand","registry_name":"NSF","standard":"NSF/ANSI 173","identifier":"Thorne®","receipt_label":"NSF/ANSI 173 · Thorne®"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B002BKW1YA","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:2e79a52b098a698ad9f4962e3f04f4db40e713a9943628d54052156abcafa56b","evidence_url":"https://lookcloser.ai/e/ev-ee45fb6df728"},{"evidence_id":"ev-44b371f56578","record_id":"693749125020","gtin":"693749125020","claim_key":"finding:keepa-exact-listing-history-180-day-review-count-history-is-on-file","primary_source":"keepa_history","claim":"180-day review-count history is on file","bucket":"unverified","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 244 on 2025-08-04 to 433 on 2026-08-31 (net +189). 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\"unit_count_text\": null,\n \"responsible_parties\": [],\n \"websites\": [],\n \"actives\": [{\"name\": \"Vitamin B12 (as Methylcobalamin)\", \"amount\": \"1\", \"unit\": \"mg\"}],\n \"label_claims\": [],\n \"certifications\": []}\n```"},{"img":2,"model":"google/gemini-2.5-flash","text":"```json\n{\"brand\": null, \"product_name\": \"Vitamin B12\", \"barcode\": null, \"panel\": false, \"serving_size_text\": null, \"serving_size_g\": null, \"servings_per_container\": null, \"net_weight_text\": null, \"net_weight_g\": null, \"unit_count_text\": null, \"responsible_parties\": [], \"websites\": [], \"actives\": [], \"label_claims\": [\"An active form of vitamin B12 that supports heart and nerve health, circadian rhythms, and methylation.\", \"*These statements have not been evaluated by the Food and Drug Administration.\", \"This product is not intended to diagnose, treat, cure, or prevent any disease.\"], \"certifications\": 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[], \"label_claims\": [\"Balances circadian rhythms to enhance restful sleep*\", \"Supports healthy nerve function and feeling*\", \"Promotes cardiovascular health and the body's methylation pathways*\", \"Vitamin B12 as methylcobalamin contains an active, tissue-ready form of vitamin B12 to improve bioavailability\"], \"certifications\": [\"Third-Party Certified\"]}\n```"},{"img":5,"model":"google/gemini-2.5-flash","text":"```json\n{\"brand\": null, \"product_name\": null, \"barcode\": null, \"panel\": false, \"serving_size_text\": null, \"serving_size_g\": null, \"servings_per_container\": 60, \"net_weight_text\": null, \"net_weight_g\": null, \"unit_count_text\": null, \"responsible_parties\": [], \"websites\": [], \"actives\": [], \"label_claims\": [], \"certifications\": []}\n```"},{"img":6,"model":"google/gemini-2.5-flash","text":"```json\n{\"brand\": \"Thorne\", \"product_name\": null, \"barcode\": null, \"panel\": false, \"serving_size_text\": null, \"serving_size_g\": null, 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