{"schema":"lookcloser/record@0.2","compatible_with":["lookcloser/record@0.1"],"record_id":"737870361107","processing":{"collection_process_version":"2026-07-24.5","last_collected_at":"2026-08-26T04:19:21-0700","last_collection_event":"intake","label_reader_version":"legacy_unversioned","report_schema":"lookcloser/record@0.2","rendered_at":"2026-09-03T13:44:38-0700"},"analysis_status":"complete","processing_gaps":[],"gtin":"737870361107","listing_identifier":"B00028N1QU","brand":"Life Extension","title":"Life Extension Vitamin B12 Methylcobalamin 500mcg","listing_title":"Life Extension Vitamin B12 Methylcobalamin 500mcg - Vitamin B12 Supplement for General Energy and Brain Health - Sugar Free Vegetarian Lozenges Dissolve in Your Mouth - Once Daily - 100 Count","identity":{"canonical_gtin":"00737870361107","source_listing_gtin":"00737870361107","listing_identifier":"B00028N1QU","product_image":"https://m.media-amazon.com/images/I/71xDW6srVsL.jpg","product_image_status":"retained","product_image_provenance":{"status":"retained","source":"source_listing","identity_basis":"exact_listing_identifier","source_url":"https://www.amazon.com/dp/B00028N1QU","primary_url":"https://m.media-amazon.com/images/I/71xDW6srVsL.jpg","image_count":8,"last_attempted":"2026-08-26T04:19:21-0700","attempts":1},"observed_at":"2026-09-01","source_confirmations":["source_listing_gtin","external_barcode_record"],"brand_consistency":{"status":"unknown","compatible":null,"listing_brand":"Life Extension","package_brand":null,"match_method":"insufficient_text","similarity":null},"identity_rule":"exact identifiers only; related products are never substituted"},"trademark_owner":{"name":"Life Extension Foundation, Inc.","entity":"CORPORATION","country":"FLORIDA, USA","address_filed":"3600 West Commercial Blvd., Ft. 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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=77690767&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 3789340","registry_name":"USPTO","standard":null,"identifier":"Registration 3789340"}],"evidence_id":"ev-f07cf7123749","evidence_url":"https://lookcloser.ai/e/ev-f07cf7123749","presentation_home":"ownership_section"},{"finding_id":"review_velocity_gradual","card_type":"review_velocity","question":"reviews","tone":"ok","weight":28,"headline":"Reviews rose from 135 to 189 between August 22, 2025 and August 25, 2026 — no sudden jump.","evidence":"Written reviews rose from 135 to 189 between August 22, 2025 and August 25, 2026. 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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/737870361107/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":"UPCitemdb resolves 737870361107 to \"Life Extension B12 500 mcg - 100 Lozenges\" (Life Extension) — consistent with this listing.","proof":"UPCitemdb resolves 737870361107 to \"Life Extension B12 500 mcg - 100 Lozenges\" (Life Extension) — consistent with this listing.","identity_basis":"gtin","status":"live","source_refs":["barcode_search","source_listing"],"source_url":"https://world.openfoodfacts.org/product/00737870361107","scope":"exact_product","inference_level":"direct_observation","observed_at":"2026-09-01","presentation_tone":"ok","evidence_id":"ev-962a6152c922","evidence_url":"https://lookcloser.ai/e/ev-962a6152c922","content_fingerprint":"sha256:edcda8d3d3a27bdb0fcdf437aafe2dd9a3d727a3bfc83eed9617ba385c211ba3","registry_receipts":[],"evidence":{"summary":"UPCitemdb resolves 737870361107 to \"Life Extension B12 500 mcg - 100 Lozenges\" (Life Extension) — consistent with this listing.","source_refs":["barcode_search","source_listing"],"source_records":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00737870361107","observed_at":"2026-09-01","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00028N1QU","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","looked":"LookCloser checked Barcode / GTIN record.","found":"UPCitemdb resolves 737870361107 to \"Life Extension B12 500 mcg - 100 Lozenges\" (Life Extension) — consistent with this listing."},"html_anchor":"finding-barcode-gtin-record-upc-independently-corroborated","report_url":"https://lookcloser.ai/p/737870361107/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":["source_listing"],"source_url":"https://www.amazon.com/dp/B00028N1QU","scope":"exact_listing","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-1b84508dee24","evidence_url":"https://lookcloser.ai/e/ev-1b84508dee24","content_fingerprint":"sha256:6eac29b3b7603615e00be0d8feb673ed3f8e788fa3c42c140cf3ebc6936a8ca4","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":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00028N1QU","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","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/737870361107/full#finding-label-and-serving-arithmetic-label-math-could-not-be-verified"},{"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 135 to 189 between August 22, 2025 and August 25, 2026. The largest rise inside any single 30-day window was about 9, so the count moved in steps rather than in one burst.","proof":{"first":["2025-08-22",135],"last":["2026-08-25",189],"max_30d_review_gain":9},"identity_basis":"listing","status":"live","severity":"ok","source_refs":["source_listing"],"source_url":"https://www.amazon.com/dp/B00028N1QU","scope":"exact_listing","inference_level":"direct_observation","observed_at":"2026-09-01","presentation_tone":"ok","evidence_id":"ev-db88022cceb3","evidence_url":"https://lookcloser.ai/e/ev-db88022cceb3","content_fingerprint":"sha256:2bdf79118dc562f98776a10e30d2a892eaa9f3323f34642de194682b1b96ab95","registry_receipts":[],"evidence":{"summary":{"first":["2025-08-22",135],"last":["2026-08-25",189],"max_30d_review_gain":9},"source_refs":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00028N1QU","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","looked":"LookCloser checked keepa.","found":"Written reviews rose from 135 to 189 between August 22, 2025 and August 25, 2026. The largest rise inside any single 30-day window was about 9, so the count moved in steps rather than in one burst."},"html_anchor":"finding-review_velocity_gradual","report_url":"https://lookcloser.ai/p/737870361107/full#finding-review_velocity_gradual"},{"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":["source_listing"],"source_url":"https://www.amazon.com/dp/B00028N1QU","scope":"exact_listing","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-dcad34818355","evidence_url":"https://lookcloser.ai/e/ev-dcad34818355","content_fingerprint":"sha256:8307839758c77a237e830737f824c3dbea0cb66cd03540361ef03d8e3b1ba955","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":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00028N1QU","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","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/737870361107/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:%22Life+Extension%22+OR+product_description:%22Life+Extension%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"caution","evidence_id":"ev-8bf8d3b6d6e7","evidence_url":"https://lookcloser.ai/e/ev-8bf8d3b6d6e7","content_fingerprint":"sha256:2dddef317d3ee45d319a7aaff9a416561ffcbb1c5de41a06d39089f6dc142056","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:%22Life+Extension%22+OR+product_description:%22Life+Extension%22)&limit=5","observed_at":"2026-09-01","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"Life Extension","receipt_label":"FDA enforcement search · Life Extension"}],"observed_at":"2026-09-01","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/737870361107/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-B00028N1QU","scope":"exact_listing","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-3b3191d116e6","evidence_url":"https://lookcloser.ai/e/ev-3b3191d116e6","content_fingerprint":"sha256:3381945ae5527e38b41481ac726b0de80891c5f585cc72005d8fc9e27ff47bb8","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-B00028N1QU","observed_at":"2026-09-01","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00028N1QU","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","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/737870361107/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 134 on 2025-07-24 to 189 on 2026-08-25 (net +55). 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 134 on 2025-07-24 to 189 on 2026-08-25 (net +55). 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-B00028N1QU","scope":"exact_listing","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-84ba1e1b64d5","evidence_url":"https://lookcloser.ai/e/ev-84ba1e1b64d5","content_fingerprint":"sha256:43af3f2b0c39025f7cb356393d47f3aaca0a8df5d3b29f567dfab2328120a1dc","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 134 on 2025-07-24 to 189 on 2026-08-25 (net +55). 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-B00028N1QU","observed_at":"2026-09-01","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00028N1QU","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 134 on 2025-07-24 to 189 on 2026-08-25 (net +55). 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/737870361107/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"}],"evidence_records":[{"evidence_id":"ev-f07cf7123749","record_id":"737870361107","gtin":"737870361107","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 Life Extension Foundation, Inc. (CORPORATION) in FLORIDA, USA for the exact brand wordmark. 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Ingredient-sourcing records were not located for this product.","finding_id":null,"registry_receipts":[],"evidence_id":"ev-b5dd2bbc5dff","evidence_url":"https://lookcloser.ai/e/ev-b5dd2bbc5dff","content_fingerprint":"sha256:16814623b67bfa3e1b6cc87eeca7666d31487195fff4128c019d8fca01153e0f","observed_at":"2026-09-01","source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00028N1QU","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"proof":{"kind":"origin","status":"unverified","snippet":"…The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every one.…"}}]},"counts":{"contradicted":0,"overreaching":0,"checks_out":0,"partly":0,"claimed_no_support":0,"unverified":1},"puffery":[],"consumed_finding_ids":[]},"brand_presence":{"status":"store_found_no_product","host":"https://www.lifeextension.com","exact_product_page":null,"consumer_meaning":"Brand presence is reported separately from exact-product identity.","absence_is_not_a_strike":true}},"observations":{"offers":[{"seller":"Amazon","price":6.56,"currency":"USD","url":"https://www.amazon.com/dp/B00028N1QU","observed_at":"2026-09-01","identity_basis":"exact_gtin","gtin":"00737870361107","rating":null,"price_source":"Submitted listing","price_type":"listing_page"}],"ratings":{"stars":null,"count":null,"observed_at":"2026-09-01","source_ref":"source_listing"},"facts_panel_source":null},"report_url":"https://lookcloser.ai/p/737870361107","methodology":"https://lookcloser.ai/methodology","built_at":"2026-09-03T20:44:38Z","status":"complete","caveats":["Pre-launch beta; not yet independently archived.","Prices and ratings are point-in-time snapshots.","LookCloser does not advise for or against any supplement."],"content_fingerprint":"sha256:3b3adc09aa6dcbf49814a09f43d70dca6512adcee15a376a56fb9f8f721bd4ea"}