{"schema":"lookcloser/record@0.2","compatible_with":["lookcloser/record@0.1"],"record_id":"051494103968","processing":{"collection_process_version":"2026-07-24.5","last_collected_at":"2026-07-30T21:16:38-0700","last_collection_event":"intake","label_reader_version":"2026-07-27.1","report_schema":"lookcloser/record@0.2","rendered_at":"2026-08-02T15:20:31-0700"},"analysis_status":"complete","processing_gaps":[],"gtin":"051494103968","listing_identifier":"B081FXFHLJ","brand":"MegaFood","title":"MegaFood Magnesium Glycinate, Malate, Citrate 300mg","listing_title":"MegaFood Magnesium Glycinate, Malate, Citrate 300mg, 60 Capsules","identity":{"canonical_gtin":"00051494103968","source_listing_gtin":"00051494103968","listing_identifier":"B081FXFHLJ","product_image":"https://m.media-amazon.com/images/I/71CB4XBr3ZL.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/B081FXFHLJ","primary_url":"https://m.media-amazon.com/images/I/71CB4XBr3ZL.jpg","image_count":8,"last_attempted":"2026-07-30T21:16:37-0700","attempts":1},"observed_at":"2026-07-30","source_confirmations":["source_listing_gtin","external_barcode_record"],"brand_consistency":{"status":"match","compatible":true,"listing_brand":"MegaFood","package_brand":"MegaFood","match_method":"normalized_exact","similarity":1},"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":[],"identity_nodes":[],"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. 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NSF, 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/051494103968/full#finding-certification-laboratory-record-testing-claimed-documentation-not-found"},{"id":"label-and-serving-arithmetic-listing-claim-matches-the-supplement-facts-","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"info","weight":22,"headline":"Listing claim matches the Supplement Facts panel","detail":"The listing claims 300 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium malate, magnesium citrate, magnesium glycinate) at 300 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.","proof":"The listing claims 300 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium malate, magnesium citrate, magnesium glycinate) at 300 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B081FXFHLJ","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-30","presentation_tone":"gap","evidence_id":"ev-c8d17fad432c","evidence_url":"https://lookcloser.ai/e/ev-c8d17fad432c","content_fingerprint":"sha256:5fa0e3f68ee2cc7c1bb6ced511061d8f54bb900a9628c137702130dedd8bdb79","registry_receipts":[],"evidence":{"summary":"The listing claims 300 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium malate, magnesium citrate, magnesium glycinate) at 300 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","looked":"LookCloser checked Label and serving arithmetic.","found":"The listing claims 300 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium malate, magnesium citrate, magnesium glycinate) at 300 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing."},"html_anchor":"finding-label-and-serving-arithmetic-listing-claim-matches-the-supplement-facts-","report_url":"https://lookcloser.ai/p/051494103968/full#finding-label-and-serving-arithmetic-listing-claim-matches-the-supplement-facts-"},{"id":"nih-published-research-magnesium-amount-in-daily-intake-context","source":"NIH / published research","class":"gap","noted":false,"severity":"info","weight":22,"headline":"Magnesium amount, in daily-intake context","detail":"label states 300 mg/serving — about 71% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":"label states 300 mg/serving — about 71% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant. 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A price observation, not a recommendation."},"html_anchor":"finding-nih-published-research-reaching-a-studied-dose-costs-about-16-month","report_url":"https://lookcloser.ai/p/051494103968/full#finding-nih-published-research-reaching-a-studied-dose-costs-about-16-month"},{"id":"nih-published-research-research-context-is-available-for-the-listed-ingr","source":"NIH / published research","class":"gap","noted":false,"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":"2026-07-30","presentation_tone":"gap","evidence_id":"ev-afe632d0d008","evidence_url":"https://lookcloser.ai/e/ev-afe632d0d008","content_fingerprint":"sha256:9ac67946d4a728e91a3f4b9406f07e050c19df563b0d2bbd3a925dc2cf992fca","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":"2026-07-30","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":"2026-07-30","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-30","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/051494103968/full#finding-nih-published-research-research-context-is-available-for-the-listed-ingr"},{"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/B081FXFHLJ","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-30","presentation_tone":"gap","evidence_id":"ev-401448359bf1","evidence_url":"https://lookcloser.ai/e/ev-401448359bf1","content_fingerprint":"sha256:0efa25a2ae39b16dc22791e1db3b2f190030533cc1b48e800eef74fe86570ae6","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/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","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/051494103968/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"fda-public-records-recall-search-no-match-found-as-of-aug-02-2026","source":"FDA public records","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Recall search: no match found (as of Aug 02, 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. 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New and untested products also have no recall records."},"html_anchor":"finding-fda-public-records-recall-search-no-match-found-as-of-aug-02-2026","report_url":"https://lookcloser.ai/p/051494103968/full#finding-fda-public-records-recall-search-no-match-found-as-of-aug-02-2026"},{"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-B081FXFHLJ","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-30","presentation_tone":"gap","evidence_id":"ev-ee1a3731c8e8","evidence_url":"https://lookcloser.ai/e/ev-ee1a3731c8e8","content_fingerprint":"sha256:3d96ae799f7138fc1aa429b9e5d4bf9e48852f2f811ccc32b9bb994b3ecdb9a6","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-B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","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/051494103968/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 308 on 2025-06-29 to 445 on 2026-07-24 (net +137). 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 308 on 2025-06-29 to 445 on 2026-07-24 (net +137). 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-B081FXFHLJ","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-30","presentation_tone":"gap","evidence_id":"ev-763b334c9f96","evidence_url":"https://lookcloser.ai/e/ev-763b334c9f96","content_fingerprint":"sha256:6fa6b3bfee8e1b8e71d4e8e23b539c16b236e4971c43dce184187a6d67712c76","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 308 on 2025-06-29 to 445 on 2026-07-24 (net +137). 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-B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 308 on 2025-06-29 to 445 on 2026-07-24 (net +137). 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/051494103968/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"}],"evidence_records":[{"evidence_id":"ev-7aeff4054c8e","record_id":"051494103968","gtin":"051494103968","claim_key":"finding:label-and-serving-arithmetic-label-math-is-physically-consistent","primary_source":"facts_panel","claim":"Label math is physically consistent","bucket":"checks_out","looked":"LookCloser checked Label and serving arithmetic.","found":"Claimed magnesium 300.0 mg is 15% of the ≈2,000 mg serving (serving size on the label, keyed to UPC 051494103968) — within physical limits.","proof":{"detail":"Claimed magnesium 300.0 mg is 15% of the ≈2,000 mg serving (serving size on the label, keyed to UPC 051494103968) — within physical limits."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:d52a2a06a6aa318af2595344cde33d74daefeb30eb8d29a7b69c2443b8c1a87d","evidence_url":"https://lookcloser.ai/e/ev-7aeff4054c8e"},{"evidence_id":"ev-0bb5d1774e5e","record_id":"051494103968","gtin":"051494103968","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 051494103968 to \"Magnesium\" (MegaFood) — consistent with this listing.","proof":{"detail":"Open Food Facts resolves 051494103968 to \"Magnesium\" (MegaFood) — consistent with this listing."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00051494103968","observed_at":"2026-07-30","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:885ec71c52cc4d9aac65f9004fe44f0f8497addad4d50ab57fb01aaea68aab10","evidence_url":"https://lookcloser.ai/e/ev-0bb5d1774e5e"},{"evidence_id":"ev-fee5bf4171cd","record_id":"051494103968","gtin":"051494103968","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":"2026-07-30","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":"2026-07-30","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:42136a75ed220e8be9f0d831a8495c218de3fb8e84f60f6ef53412f270a5ca20","evidence_url":"https://lookcloser.ai/e/ev-fee5bf4171cd"},{"evidence_id":"ev-674363bebc04","record_id":"051494103968","gtin":"051494103968","claim_key":"finding:fda-public-records-recall-search-no-match-found-as-of-aug-02-2026","primary_source":"openfda_search","claim":"Recall search: no match found (as of Aug 02, 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:%22MegaFood%22+OR+product_description:%22MegaFood%22)&limit=5","observed_at":"2026-07-30","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"MegaFood","receipt_label":"FDA enforcement search · MegaFood"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:1b6cb55b0f34b8e7a2cdb4df3cb20c0f3fd44db76f2dbb4f25951a3b104d5f8c","evidence_url":"https://lookcloser.ai/e/ev-674363bebc04"},{"evidence_id":"ev-c8d17fad432c","record_id":"051494103968","gtin":"051494103968","claim_key":"finding:label-and-serving-arithmetic-listing-claim-matches-the-supplement-facts-","primary_source":"facts_panel","claim":"Listing claim matches the Supplement Facts panel","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"The listing claims 300 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium malate, magnesium citrate, magnesium glycinate) at 300 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.","proof":{"detail":"The listing claims 300 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium malate, magnesium citrate, magnesium glycinate) at 300 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:5fa0e3f68ee2cc7c1bb6ced511061d8f54bb900a9628c137702130dedd8bdb79","evidence_url":"https://lookcloser.ai/e/ev-c8d17fad432c"},{"evidence_id":"ev-401448359bf1","record_id":"051494103968","gtin":"051494103968","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/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:0efa25a2ae39b16dc22791e1db3b2f190030533cc1b48e800eef74fe86570ae6","evidence_url":"https://lookcloser.ai/e/ev-401448359bf1"},{"evidence_id":"ev-3bb166437460","record_id":"051494103968","gtin":"051494103968","claim_key":"finding:certification-laboratory-record-testing-claimed-documentation-not-found","primary_source":"source_listing","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. NSF, 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. NSF, IFOS, USP, and Informed-Sport were not checked in this record."},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:85904b601dadf5d001dfbfefcb1a204e0ed3a0fcd588fca4e4ed855dda3fca2d","evidence_url":"https://lookcloser.ai/e/ev-3bb166437460"},{"evidence_id":"ev-763b334c9f96","record_id":"051494103968","gtin":"051494103968","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 308 on 2025-06-29 to 445 on 2026-07-24 (net +137). 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 308 on 2025-06-29 to 445 on 2026-07-24 (net +137). 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-B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:6fa6b3bfee8e1b8e71d4e8e23b539c16b236e4971c43dce184187a6d67712c76","evidence_url":"https://lookcloser.ai/e/ev-763b334c9f96"},{"evidence_id":"ev-ee1a3731c8e8","record_id":"051494103968","gtin":"051494103968","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-B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:3d96ae799f7138fc1aa429b9e5d4bf9e48852f2f811ccc32b9bb994b3ecdb9a6","evidence_url":"https://lookcloser.ai/e/ev-ee1a3731c8e8"},{"evidence_id":"ev-c55d17b6063f","record_id":"051494103968","gtin":"051494103968","claim_key":"finding:nih-published-research-magnesium-amount-in-daily-intake-context","primary_source":"nih_ods_magnesium","claim":"Magnesium amount, in daily-intake context","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"label states 300 mg/serving — about 71% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":{"detail":"label states 300 mg/serving — about 71% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant. 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":"2026-07-30","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":"2026-07-30","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:42bbac5b8a452713bacb577b7e0396a9f80a3b0fa9d7f9d5428640e7df14d8d5","evidence_url":"https://lookcloser.ai/e/ev-c55d17b6063f"},{"evidence_id":"ev-afe632d0d008","record_id":"051494103968","gtin":"051494103968","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. 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The claim does not name a certifier or public register that a shopper can check.","proof":{"kind":"manufacturing","status":"partly","snippet":"…COMMITTED TO QUALITY: Vegetarian, gluten-free, third-party tested for 150+ chemical substances, GMP quality assured, and made without the top nine food allergens includi"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081FXFHLJ","observed_at":"2026-07-30","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://megafood.com/products/extra-strength-magnesium-glycinate-capsules","observed_at":"2026-07-30","identity_basis":"product_anchor_candidate","scope":"brand_or_exact_product"}],"observed_at":"2026-07-30","content_fingerprint":"sha256:821fa3b5ba0746f016c001efaa0004958e5ce1043a78de09742295f91cac267f","evidence_url":"https://lookcloser.ai/e/ev-0752748f5d60"},{"evidence_id":"ev-51f9b6b5f79f","record_id":"051494103968","gtin":"051494103968","claim_key":"claim:efficacy","primary_source":"source_listing","claim":"“ABSORBABLE BLEND: Help relax the body with this chelated Magnesium supplement, formulated with three highly absorbable(1) forms of Magnesium;…”","bucket":"partly","looked":"whether the ingredient doses on the label match the doses used in published research","found":"Ingredient evidence exists; on dose: label states 300 mg/serving — about 71% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). 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[]}\n```\n"},{"img":5,"model":"claude-cli:subscription","text":"{\"brand\": null, \"product_name\": null, \"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\": [\"Made with real food\", \"Expertly formulated with 50mg of Spinach per serving, a real food source of Magnesium\"], \"certifications\": []}\n"},{"img":6,"model":"claude-cli:subscription","text":"```json\n{\"brand\": null, \"product_name\": null, \"barcode\": null, \"panel\": false, \"serving_size_text\": \"Two capsules daily\", \"serving_size_g\": null, \"servings_per_container\": 60, \"net_weight_text\": null, \"net_weight_g\": null, \"unit_count_text\": \"120 CAPSULES\", \"responsible_parties\": [], \"websites\": [], \"actives\": [], \"label_claims\": [\"Two capsules daily\", \"Take any time of 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