{"schema":"lookcloser/record@0.2","compatible_with":["lookcloser/record@0.1"],"record_id":"733739012890","processing":{"collection_process_version":"2026-07-24.5","last_collected_at":"2026-07-24T20:20:45-0700","last_collection_event":"intake","label_reader_version":"2026-07-24.6","report_schema":"lookcloser/record@0.2","rendered_at":"2026-07-25T13:43:35-0700"},"analysis_status":"complete","processing_gaps":[],"gtin":"733739012890","listing_identifier":"B07NWMVMT1","brand":"NOW Foods","title":"NOW Foods Supplements, Magnesium Glycinate 100 mg","listing_title":"NOW Foods Supplements, Magnesium Glycinate 100 mg, Highly Absorbable Form, 180 Tablets","identity":{"canonical_gtin":"00733739012890","source_listing_gtin":"00733739012890","listing_identifier":"B07NWMVMT1","product_image":"https://m.media-amazon.com/images/I/71H8m-jpSvL.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/B07NWMVMT1","primary_url":"https://m.media-amazon.com/images/I/71H8m-jpSvL.jpg","image_count":7,"last_attempted":"2026-07-24T20:20:45-0700","attempts":1},"observed_at":"2026-07-24","source_confirmations":["source_listing_gtin","external_barcode_record"],"brand_consistency":{"status":"match","compatible":true,"listing_brand":"NOW Foods","package_brand":"NOW","match_method":"normalized_exact","similarity":0.5455},"identity_rule":"exact identifiers only; related products are never substituted"},"trademark_owner":null,"trademark_owner_candidates":[],"trademark_owner_status":"not_found","product_manufacturer_link":"not_established","label_responsible_parties":[{"role":"manufactured_by","name":"NOW FOODS","address":"395 S. 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A sudden burst deserves a closer look.","source":"keepa","source_links":[{"label":"Keepa exact-listing history","url":"https://keepa.com/#!product/1-B07NWMVMT1","role":"dated count history · exact listing"}],"registry_receipts":[],"evidence_id":"ev-953134704166","evidence_url":"https://lookcloser.ai/e/ev-953134704166","presentation_home":"finding_catalog"}],"research_links":[{"ingredient":"magnesium","label":"NIH ODS — Magnesium fact sheet","url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","scope":"ingredient_context","product_evidence":false},{"ingredient":"magnesium","label":"PubMed search: magnesium glycinate supplementation","url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","scope":"ingredient_context","product_evidence":false}],"open_items":["No identity-bound public label filing is retained in this record.","Brand ownership is not settled in this record."]},"tldr":{"assessment":"checks_confirmed","headline":"FDA recall appears in this brand's history","summary":"Brand-level context only, not a finding about this product. 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Missing evidence is a gap, not a strike."},"origin_context":null,"verdict":{"state":"checks_confirmed","headline":"FDA recall appears in this brand's history","detail":"Brand-level context only, not a finding about this product. Now Foods recalled a different or not-exactly-bound product on 2025-05-08: “regular yeast was inadvertently packaged as nutritional yeast” (status: Terminated). The recalled product was: “NOW Nutritional Yeast Powder, Nt. Wt. 10oz.  UPC 7 33739 02460 2” — not necessarily the product on this page. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","lead_finding_id":"fda-public-records-fda-recall-appears-in-this-brand-s-history","meaning":"Finding-first decision support. 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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/733739012890/full#finding-label-and-serving-arithmetic-label-math-could-not-be-verified"},{"id":"nih-published-research-research-context-is-available-for-the-listed-ingr","source":"NIH / published research","class":"gap","severity":"info","weight":22,"headline":"Research context is available for the listed ingredients","detail":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","identity_basis":"ingredient","status":"live","source_refs":["nih_ods_magnesium","pubmed_magnesium"],"source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","scope":"ingredient_context","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-91a9b92f84ab","evidence_url":"https://lookcloser.ai/e/ev-91a9b92f84ab","content_fingerprint":"sha256:4c56490bec8a4e80e664692302024937ea6ad1bc303573253bf4ed2bd1959d12","registry_receipts":[{"source":"nih_ods_magnesium","url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","label":"NIH ODS — Magnesium fact sheet","registry_name":"NIH ODS","standard":null,"identifier":"magnesium"}],"evidence":{"summary":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","source_refs":["nih_ods_magnesium","pubmed_magnesium"],"source_records":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation."},"html_anchor":"finding-nih-published-research-research-context-is-available-for-the-listed-ingr","report_url":"https://lookcloser.ai/p/733739012890/full#finding-nih-published-research-research-context-is-available-for-the-listed-ingr"},{"id":"review_velocity_gradual","source":"keepa","class":"ok","weight":20,"headline":"Reviews accumulated gradually","detail":"Written reviews grew from 651 to 759 across 2026-01-30 – 2026-07-20 with no single manufactured spike (largest 30-day gain ~30).","proof":{"first":["2026-01-30",651],"last":["2026-07-20",759],"max_30d_review_gain":30},"identity_basis":"listing","status":"live","severity":"ok","source_refs":["source_listing"],"source_url":"https://www.amazon.com/dp/B07NWMVMT1","scope":"exact_listing","inference_level":"direct_observation","observed_at":"2026-07-24","presentation_tone":"ok","evidence_id":"ev-953134704166","evidence_url":"https://lookcloser.ai/e/ev-953134704166","content_fingerprint":"sha256:ac31828ca3c801a18012605bd9108efe68d7b361544123d5e85a87c95ea945fc","registry_receipts":[],"evidence":{"summary":{"first":["2026-01-30",651],"last":["2026-07-20",759],"max_30d_review_gain":30},"source_refs":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked keepa.","found":"Written reviews grew from 651 to 759 across 2026-01-30 – 2026-07-20 with no single manufactured spike (largest 30-day gain ~30)."},"html_anchor":"finding-review_velocity_gradual","report_url":"https://lookcloser.ai/p/733739012890/full#finding-review_velocity_gradual"},{"id":"fda-public-records-fda-recall-appears-in-this-brand-s-history","source":"FDA public records","class":"gap","severity":"info","weight":19,"headline":"FDA recall appears in this brand's history","detail":"Brand-level context only, not a finding about this product. Now Foods recalled a different or not-exactly-bound product on 2025-05-08: “regular yeast was inadvertently packaged as nutritional yeast” (status: Terminated). The recalled product was: “NOW Nutritional Yeast Powder, Nt. Wt. 10oz.  UPC 7 33739 02460 2” — not necessarily the product on this page. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","proof":"Brand-level context only, not a finding about this product. Now Foods recalled a different or not-exactly-bound product on 2025-05-08: “regular yeast was inadvertently packaged as nutritional yeast” (status: Terminated). The recalled product was: “NOW Nutritional Yeast Powder, Nt. Wt. 10oz.  UPC 7 33739 02460 2” — not necessarily the product on this page. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","identity_basis":"none","status":"live","source_refs":["openfda_search"],"source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%22NOW+Foods%22+OR+product_description:%22NOW+Foods%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"caution","evidence_id":"ev-9c342c7a311c","evidence_url":"https://lookcloser.ai/e/ev-9c342c7a311c","content_fingerprint":"sha256:71ed709ff6c76e97e7c7b180552275587fda898b603d2b0bbb9e8c2125b7469c","registry_receipts":[{"source":"openfda_search","url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%22NOW+Foods%22+OR+product_description:%22NOW+Foods%22)&limit=5","label":"FDA enforcement search · NOW Foods","registry_name":"FDA enforcement","standard":null,"identifier":"NOW Foods"}],"evidence":{"summary":"Brand-level context only, not a finding about this product. Now Foods recalled a different or not-exactly-bound product on 2025-05-08: “regular yeast was inadvertently packaged as nutritional yeast” (status: Terminated). The recalled product was: “NOW Nutritional Yeast Powder, Nt. Wt. 10oz.  UPC 7 33739 02460 2” — not necessarily the product on this page. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","source_refs":["openfda_search"],"source_records":[{"source":"openfda_search","source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%22NOW+Foods%22+OR+product_description:%22NOW+Foods%22)&limit=5","observed_at":"2026-07-24","identity_basis":"recalling_firm","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"NOW Foods","receipt_label":"FDA enforcement search · NOW Foods"}],"observed_at":"2026-07-24","looked":"LookCloser checked FDA public records.","found":"Brand-level context only, not a finding about this product. Now Foods recalled a different or not-exactly-bound product on 2025-05-08: “regular yeast was inadvertently packaged as nutritional yeast” (status: Terminated). The recalled product was: “NOW Nutritional Yeast Powder, Nt. Wt. 10oz.  UPC 7 33739 02460 2” — not necessarily the product on this page. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>."},"html_anchor":"finding-fda-public-records-fda-recall-appears-in-this-brand-s-history","report_url":"https://lookcloser.ai/p/733739012890/full#finding-fda-public-records-fda-recall-appears-in-this-brand-s-history"},{"id":"label-and-serving-arithmetic-public-label-filing-not-retained","source":"Label and serving arithmetic","class":"gap","severity":"info","weight":19,"headline":"Public label filing not retained","detail":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists.","proof":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B07NWMVMT1","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-bd7963a2c582","evidence_url":"https://lookcloser.ai/e/ev-bd7963a2c582","content_fingerprint":"sha256:1c3451626c5d574fe3a83dc4f3e2026886cfc5d198f71a4b8c3cdb04cd356a31","registry_receipts":[],"evidence":{"summary":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked Label and serving arithmetic.","found":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists."},"html_anchor":"finding-label-and-serving-arithmetic-public-label-filing-not-retained","report_url":"https://lookcloser.ai/p/733739012890/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","source":"Keepa exact-listing history","class":"gap","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-B07NWMVMT1","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-22713344bfbd","evidence_url":"https://lookcloser.ai/e/ev-22713344bfbd","content_fingerprint":"sha256:23971438707689c29bd04f640c8ca5a59537fea86b94079e8f33f1a95b3e46db","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-B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","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/733739012890/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","severity":"info","weight":16,"headline":"180-day review-count history is on file","detail":"Exact-listing history records written-review counts from 649 on 2026-01-28 to 759 on 2026-07-20 (net +110). 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 649 on 2026-01-28 to 759 on 2026-07-20 (net +110). 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-B07NWMVMT1","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-fa0948018931","evidence_url":"https://lookcloser.ai/e/ev-fa0948018931","content_fingerprint":"sha256:8b2147b6e5ad7213f46132ab2d3060de5f973ae116ba43e303949c39247d3f9f","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 649 on 2026-01-28 to 759 on 2026-07-20 (net +110). 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-B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 649 on 2026-01-28 to 759 on 2026-07-20 (net +110). 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/733739012890/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"},{"id":"lookcloser-record-check-brand-ownership-record-not-retained","source":"LookCloser record check","class":"gap","severity":"info","weight":14,"headline":"Brand ownership record not retained","detail":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper.","proof":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper.","identity_basis":"owner_exact","status":"live","source_refs":["uspto_search"],"source_url":"https://tmsearch.uspto.gov/","scope":"brand_owner","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-5e435aacb40f","evidence_url":"https://lookcloser.ai/e/ev-5e435aacb40f","content_fingerprint":"sha256:6c120ed767d468d1364d6c28a63b98d7bdaf731093c17464387f8e9b5922905c","registry_receipts":[],"evidence":{"summary":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper.","source_refs":["uspto_search"],"source_records":[{"source":"uspto_search","source_url":"https://tmsearch.uspto.gov/","observed_at":"2026-07-24","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO"}],"observed_at":"2026-07-24","looked":"LookCloser checked LookCloser record check.","found":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper."},"html_anchor":"finding-lookcloser-record-check-brand-ownership-record-not-retained","report_url":"https://lookcloser.ai/p/733739012890/full#finding-lookcloser-record-check-brand-ownership-record-not-retained"}],"evidence_records":[{"evidence_id":"ev-d2815ffe7587","record_id":"733739012890","gtin":"733739012890","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/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:50f8dbac7c07c6c0e9dc229a35d4fc89fa4f825f4162aefbd7a34743321fd35d","evidence_url":"https://lookcloser.ai/e/ev-d2815ffe7587"},{"evidence_id":"ev-91a9b92f84ab","record_id":"733739012890","gtin":"733739012890","claim_key":"finding:nih-published-research-research-context-is-available-for-the-listed-ingr","primary_source":"nih_ods_magnesium","claim":"Research context is available for the listed ingredients","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":{"detail":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation."},"source_refs":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:4c56490bec8a4e80e664692302024937ea6ad1bc303573253bf4ed2bd1959d12","evidence_url":"https://lookcloser.ai/e/ev-91a9b92f84ab"},{"evidence_id":"ev-467edc7abb0c","record_id":"733739012890","gtin":"733739012890","claim_key":"finding:nih-published-research-each-ingredient-s-amount-is-disclosed","primary_source":"nih_ods_magnesium","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":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:60844b47ee1855141486e47c168a0a150853ee6a981e7844eeaf02b6dcd6147b","evidence_url":"https://lookcloser.ai/e/ev-467edc7abb0c"},{"evidence_id":"ev-bd7963a2c582","record_id":"733739012890","gtin":"733739012890","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":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists.","proof":{"detail":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:1c3451626c5d574fe3a83dc4f3e2026886cfc5d198f71a4b8c3cdb04cd356a31","evidence_url":"https://lookcloser.ai/e/ev-bd7963a2c582"},{"evidence_id":"ev-9c342c7a311c","record_id":"733739012890","gtin":"733739012890","claim_key":"finding:fda-public-records-fda-recall-appears-in-this-brand-s-history","primary_source":"openfda_search","claim":"FDA recall appears in this brand's history","bucket":"unverified","looked":"LookCloser checked FDA public records.","found":"Brand-level context only, not a finding about this product. Now Foods recalled a different or not-exactly-bound product on 2025-05-08: “regular yeast was inadvertently packaged as nutritional yeast” (status: Terminated). The recalled product was: “NOW Nutritional Yeast Powder, Nt. Wt. 10oz.  UPC 7 33739 02460 2” — not necessarily the product on this page. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","proof":{"detail":"Brand-level context only, not a finding about this product. Now Foods recalled a different or not-exactly-bound product on 2025-05-08: “regular yeast was inadvertently packaged as nutritional yeast” (status: Terminated). The recalled product was: “NOW Nutritional Yeast Powder, Nt. Wt. 10oz.  UPC 7 33739 02460 2” — not necessarily the product on this page. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>."},"source_refs":[{"source":"openfda_search","source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%22NOW+Foods%22+OR+product_description:%22NOW+Foods%22)&limit=5","observed_at":"2026-07-24","identity_basis":"recalling_firm","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"NOW Foods","receipt_label":"FDA enforcement search · NOW Foods"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:71ed709ff6c76e97e7c7b180552275587fda898b603d2b0bbb9e8c2125b7469c","evidence_url":"https://lookcloser.ai/e/ev-9c342c7a311c"},{"evidence_id":"ev-5e435aacb40f","record_id":"733739012890","gtin":"733739012890","claim_key":"finding:lookcloser-record-check-brand-ownership-record-not-retained","primary_source":"uspto_search","claim":"Brand ownership record not retained","bucket":"unverified","looked":"LookCloser checked LookCloser record check.","found":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper.","proof":{"detail":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper."},"source_refs":[{"source":"uspto_search","source_url":"https://tmsearch.uspto.gov/","observed_at":"2026-07-24","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:6c120ed767d468d1364d6c28a63b98d7bdaf731093c17464387f8e9b5922905c","evidence_url":"https://lookcloser.ai/e/ev-5e435aacb40f"},{"evidence_id":"ev-6c1359164a0d","record_id":"733739012890","gtin":"733739012890","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 733739012890 to \"Magnesium Glycinate\" (Now Foods) — consistent with this listing.","proof":{"detail":"Open Food Facts resolves 733739012890 to \"Magnesium Glycinate\" (Now Foods) — consistent with this listing."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00733739012890","observed_at":"2026-07-24","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:adaa09c18a6a2b4d6f9701d2f6719237383882b52e0da11b4bde392ad0354b95","evidence_url":"https://lookcloser.ai/e/ev-6c1359164a0d"},{"evidence_id":"ev-fa0948018931","record_id":"733739012890","gtin":"733739012890","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 649 on 2026-01-28 to 759 on 2026-07-20 (net +110). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","proof":{"detail":"Exact-listing history records written-review counts from 649 on 2026-01-28 to 759 on 2026-07-20 (net +110). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic."},"source_refs":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:8b2147b6e5ad7213f46132ab2d3060de5f973ae116ba43e303949c39247d3f9f","evidence_url":"https://lookcloser.ai/e/ev-fa0948018931"},{"evidence_id":"ev-22713344bfbd","record_id":"733739012890","gtin":"733739012890","claim_key":"finding:keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","primary_source":"keepa_history","claim":"This item belongs to a catalog variation family","bucket":"unverified","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.","proof":{"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."},"source_refs":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:23971438707689c29bd04f640c8ca5a59537fea86b94079e8f33f1a95b3e46db","evidence_url":"https://lookcloser.ai/e/ev-22713344bfbd"},{"evidence_id":"ev-953134704166","record_id":"733739012890","gtin":"733739012890","claim_key":"finding:review_velocity_gradual","primary_source":"source_listing","claim":"Reviews accumulated gradually","bucket":"checks_out","looked":"LookCloser checked keepa.","found":"Written reviews grew from 651 to 759 across 2026-01-30 – 2026-07-20 with no single manufactured spike (largest 30-day gain ~30).","proof":{"first":["2026-01-30",651],"last":["2026-07-20",759],"max_30d_review_gain":30},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:ac31828ca3c801a18012605bd9108efe68d7b361544123d5e85a87c95ea945fc","evidence_url":"https://lookcloser.ai/e/ev-953134704166"},{"evidence_id":"ev-5c380b7a2bb9","record_id":"733739012890","gtin":"733739012890","claim_key":"claim:manufacturing","primary_source":"source_listing","claim":"“2 tablets 1 to 2 times daily with food GMP Quality Assured: A-rated, third-party”","bucket":"partly","looked":"the facility registration or certificate behind the claim","found":"“GMP-certified” describes factory processes, not what is in the bottle. The claim does not name a certifier or public register that a shopper can check.","proof":{"kind":"manufacturing","status":"partly","snippet":"…Take 2 tablets 1 to 2 times daily with food GMP Quality Assured: A-rated, third-party certif…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07NWMVMT1","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:aa335343d5f18d561319718832a6dd659e7893fcbbec46e5379ef858142736f6","evidence_url":"https://lookcloser.ai/e/ev-5c380b7a2bb9"},{"evidence_id":"ev-ac348902b2fa","record_id":"733739012890","gtin":"733739012890","claim_key":"claim:efficacy","primary_source":"source_listing","claim":"“which facilitates intestinal absorption* SUPPORTS HEALTHY MUSCLE, NERVE, AND HEART”","bucket":"partly","looked":"whether the ingredient doses on the label match the doses used in published research","found":"Published research exists for ingredients in this formula — see Related research below. 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