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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=99482369&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 8283562","registry_name":"USPTO","standard":null,"identifier":"Registration 8283562"}],"evidence_id":"ev-93d9bb8651e0","evidence_url":"https://lookcloser.ai/e/ev-93d9bb8651e0","presentation_home":"ownership_section"}],"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 FDA recall matched this brand in the current search.","We have not found a public label filing for this exact product.","Barcode checksum is valid; no independent product record was found.","No dated review-history series is on file yet."]},"tldr":{"assessment":"checks_confirmed","headline":"Each ingredient’s amount is disclosed","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.","lead_finding_id":"nih-published-research-each-ingredient-s-amount-is-disclosed","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"}],"documented_concern_count":0,"confirmed_check_count":3,"open_question_count":1,"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":"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.","lead_finding_id":"nih-published-research-each-ingredient-s-amount-is-disclosed","meaning":"Finding-first decision support. Confirmed checks are not endorsements; cautions identify documented facts or bounded comparisons, not medical advice."},"public_verifiability":{"state":"no_contradictions_found","headline":"No contradictions found at this check depth","detail":"Passed every check we could run — not an endorsement; read the record.","meaning":"Evidence availability only. Missing public data is a gap, never a strike."},"consistency_score":8.5,"findings":[{"id":"label-and-serving-arithmetic-label-math-is-physically-consistent","source":"Label and serving arithmetic","class":"ok","noted":false,"severity":"ok","weight":46,"headline":"Label math is physically consistent","detail":"Claimed magnesium 200.0 mg is 8% of the ≈2,500 mg serving (serving size printed on the packaging (photo-read from listing images)) — within physical limits.","proof":"Claimed magnesium 200.0 mg is 8% of the ≈2,500 mg serving (serving size printed on the packaging (photo-read from listing images)) — within physical limits.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B081TKGV1J","scope":"exact_listing","inference_level":"derived","observed_at":"2026-07-26","presentation_tone":"ok","evidence_id":"ev-ddfd1e70cb7f","evidence_url":"https://lookcloser.ai/e/ev-ddfd1e70cb7f","content_fingerprint":"sha256:90f72df64e10e465cbe3dd039a5ce38601aa9d189cb9ce1d6bf658ae00f19b85","registry_receipts":[],"evidence":{"summary":"Claimed magnesium 200.0 mg is 8% of the ≈2,500 mg serving (serving size printed on the packaging (photo-read from listing images)) — within physical limits.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-26","looked":"LookCloser checked Label and serving arithmetic.","found":"Claimed magnesium 200.0 mg is 8% of the ≈2,500 mg serving (serving size printed on the packaging (photo-read from listing images)) — within physical limits."},"html_anchor":"finding-label-and-serving-arithmetic-label-math-is-physically-consistent","report_url":"https://lookcloser.ai/p/657814069893/full#finding-label-and-serving-arithmetic-label-math-is-physically-consistent"},{"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":["nih_ods_magnesium","pubmed_magnesium"],"source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","scope":"ingredient_context","inference_level":"direct_observation","observed_at":"2026-07-26","presentation_tone":"ok","evidence_id":"ev-f4f0fec6ca73","evidence_url":"https://lookcloser.ai/e/ev-f4f0fec6ca73","content_fingerprint":"sha256:b25fcd502e4ce5de2542369fc5396ae90a6a8506396f523953798cfef8fb5cbb","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":["nih_ods_magnesium","pubmed_magnesium"],"source_records":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-26","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":"2026-07-26","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-26","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/657814069893/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 Mutzel Nutrition, LLC (LIMITED LIABILITY COMPANY) in Washington, 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 Mutzel Nutrition, LLC (LIMITED LIABILITY COMPANY) in Washington, 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=99482369&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"direct_observation","observed_at":"2026-07-26","presentation_tone":"ok","evidence_id":"ev-93d9bb8651e0","evidence_url":"https://lookcloser.ai/e/ev-93d9bb8651e0","content_fingerprint":"sha256:1329c274dedb0a160297780055d1620418538ff30ec089695c028ccfca4ec7cd","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=99482369&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 8283562","registry_name":"USPTO","standard":null,"identifier":"Registration 8283562"}],"evidence":{"summary":"USPTO lists Mutzel Nutrition, LLC (LIMITED LIABILITY COMPANY) in Washington, 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=99482369&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-26","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 8283562","receipt_label":"USPTO · Registration 8283562"}],"observed_at":"2026-07-26","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO lists Mutzel Nutrition, LLC (LIMITED LIABILITY COMPANY) in Washington, USA for the exact brand wordmark. 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OCR can confuse small units and digits, so this remains unresolved until checked against the physical label.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B081TKGV1J","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-26","presentation_tone":"gap","evidence_id":"ev-49b3eb1538a8","evidence_url":"https://lookcloser.ai/e/ev-49b3eb1538a8","content_fingerprint":"sha256:27403a1ecff7dd7859a3c295f8b73a77a4433bd3fc42dcf25a2f6c182661551d","registry_receipts":[],"evidence":{"summary":"The listing says 200 mg, while our photo read produced Magnesium at 144 mg per serving. 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OCR can confuse small units and digits, so this remains unresolved until checked against the physical label."},"html_anchor":"finding-label-and-serving-arithmetic-listing-and-photo-read-panel-need-confirmat","report_url":"https://lookcloser.ai/p/657814069893/full#finding-label-and-serving-arithmetic-listing-and-photo-read-panel-need-confirmat"},{"id":"keepa-exact-listing-history-review-count-history-not-available","source":"Keepa exact-listing history","class":"gap","noted":false,"severity":"pend","weight":23,"headline":"Review-count history: not available","detail":"Marketplace rating not shown★ — rating count unavailable. No exact-listing count history was available, so no review-pattern claim is made.","proof":"Marketplace rating not shown★ — rating count unavailable. No exact-listing count history was available, so no review-pattern claim is made.","identity_basis":"listing","status":"live","source_refs":["keepa_history","source_listing"],"source_url":"https://keepa.com/#!product/1-B081TKGV1J","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-26","presentation_tone":"gap","evidence_id":"ev-be95fddfa1b8","evidence_url":"https://lookcloser.ai/e/ev-be95fddfa1b8","content_fingerprint":"sha256:5c96e40c93f6578d73d67f017f8c47a921f8ae2de0a956e3dfce3f7239df5c2e","registry_receipts":[],"evidence":{"summary":"Marketplace rating not shown★ — rating count unavailable. No exact-listing count history was available, so no review-pattern claim is made.","source_refs":["keepa_history","source_listing"],"source_records":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B081TKGV1J","observed_at":"2026-07-26","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-26","looked":"LookCloser checked Keepa exact-listing history.","found":"Marketplace rating not shown★ — rating count unavailable. No exact-listing count history was available, so no review-pattern claim is made."},"html_anchor":"finding-keepa-exact-listing-history-review-count-history-not-available","report_url":"https://lookcloser.ai/p/657814069893/full#finding-keepa-exact-listing-history-review-count-history-not-available"},{"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 200 mg/serving — about 48% 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 200 mg/serving — about 48% 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 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."},"html_anchor":"finding-nih-published-research-magnesium-amount-in-daily-intake-context","report_url":"https://lookcloser.ai/p/657814069893/full#finding-nih-published-research-magnesium-amount-in-daily-intake-context"},{"id":"label-and-serving-arithmetic-photo-read-pack-math-is-internally-consiste","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"info","weight":22,"headline":"Photo-read pack math is internally consistent","detail":"60 servings × 2.5 g = 150 g, matching the printed net weight 149 g (NET WT. 5.3 OZ (149 G)). This checks agreement within the photo read; it is not an independent contents test.","proof":"60 servings × 2.5 g = 150 g, matching the printed net weight 149 g (NET WT. 5.3 OZ (149 G)). This checks agreement within the photo read; it is not an independent contents test.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B081TKGV1J","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-26","presentation_tone":"gap","evidence_id":"ev-c633ef46488f","evidence_url":"https://lookcloser.ai/e/ev-c633ef46488f","content_fingerprint":"sha256:248db8762bd9b03f8ffd05e97ba20d0d0ea86384d9257d902eb0d0cb6977b1c5","registry_receipts":[],"evidence":{"summary":"60 servings × 2.5 g = 150 g, matching the printed net weight 149 g (NET WT. 5.3 OZ (149 G)). 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This checks agreement within the photo read; it is not an independent contents test."},"html_anchor":"finding-label-and-serving-arithmetic-photo-read-pack-math-is-internally-consiste","report_url":"https://lookcloser.ai/p/657814069893/full#finding-label-and-serving-arithmetic-photo-read-pack-math-is-internally-consiste"},{"id":"nih-published-research-reaching-a-studied-dose-costs-about-28-month","source":"NIH / published research","class":"gap","noted":false,"severity":"info","weight":22,"headline":"Reaching a studied dose costs about $28/month","detail":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $28 per month. A price observation, not a recommendation.","proof":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $28 per month. A price observation, not a recommendation.","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":"2026-07-26","presentation_tone":"gap","evidence_id":"ev-4a5f8118d88b","evidence_url":"https://lookcloser.ai/e/ev-4a5f8118d88b","content_fingerprint":"sha256:38280bb7534f6f77f2b1b3939c68f059cb3e540a4e466a8501ad7e4594462575","registry_receipts":[],"evidence":{"summary":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $28 per month. A price observation, not a recommendation.","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":"2026-07-26","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":"2026-07-26","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-26","looked":"LookCloser checked NIH / published research.","found":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $28 per month. A price observation, not a recommendation."},"html_anchor":"finding-nih-published-research-reaching-a-studied-dose-costs-about-28-month","report_url":"https://lookcloser.ai/p/657814069893/full#finding-nih-published-research-reaching-a-studied-dose-costs-about-28-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":"2026-07-26","presentation_tone":"gap","evidence_id":"ev-85fca79b445a","evidence_url":"https://lookcloser.ai/e/ev-85fca79b445a","content_fingerprint":"sha256:964f0e73cb3cd2a91c7d67796ea15a434695ca8e5550da86d72f518bfb3444c5","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. 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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/657814069893/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/B081TKGV1J","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-26","presentation_tone":"gap","evidence_id":"ev-a6e60b767c7d","evidence_url":"https://lookcloser.ai/e/ev-a6e60b767c7d","content_fingerprint":"sha256:0da7008fdf8c65b18aa3e9c674584eaa1d9b7e0150c7c43eb9c24534358ac0ae","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/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-26","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/657814069893/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"fda-public-records-recall-search-no-match-found-as-of-jul-26-2026","source":"FDA public records","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Recall search: no match found (as of Jul 26, 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:%22MYOXCIENCE%22+OR+product_description:%22MYOXCIENCE%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-26","presentation_tone":"caution","evidence_id":"ev-99d83a8650cf","evidence_url":"https://lookcloser.ai/e/ev-99d83a8650cf","content_fingerprint":"sha256:5fc7793d503d675646ebc56fad78dea3958c87419f160917f1784fad8e5a6c83","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:%22MYOXCIENCE%22+OR+product_description:%22MYOXCIENCE%22)&limit=5","observed_at":"2026-07-26","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"MYOXCIENCE","receipt_label":"FDA enforcement search · MYOXCIENCE"}],"observed_at":"2026-07-26","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-jul-26-2026","report_url":"https://lookcloser.ai/p/657814069893/full#finding-fda-public-records-recall-search-no-match-found-as-of-jul-26-2026"},{"id":"barcode-gtin-record-upc-valid-no-independent-record","source":"Barcode / GTIN record","class":"gap","noted":false,"severity":"info","weight":14,"headline":"UPC valid, no independent record","detail":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","proof":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","identity_basis":"gtin","status":"live","source_refs":["barcode_search","source_listing"],"source_url":"https://world.openfoodfacts.org/product/00657814069893","scope":"exact_product","inference_level":"gap","observed_at":"2026-07-26","presentation_tone":"gap","evidence_id":"ev-faa858c583ef","evidence_url":"https://lookcloser.ai/e/ev-faa858c583ef","content_fingerprint":"sha256:ccbab024b3b0d296713f3208a51140b363fecf57bddd1a46a7efa33ab83055e3","registry_receipts":[],"evidence":{"summary":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","source_refs":["barcode_search","source_listing"],"source_records":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00657814069893","observed_at":"2026-07-26","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-26","looked":"LookCloser checked Barcode / GTIN record.","found":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike."},"html_anchor":"finding-barcode-gtin-record-upc-valid-no-independent-record","report_url":"https://lookcloser.ai/p/657814069893/full#finding-barcode-gtin-record-upc-valid-no-independent-record"}],"evidence_records":[{"evidence_id":"ev-93d9bb8651e0","record_id":"657814069893","gtin":"657814069893","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 Mutzel Nutrition, LLC (LIMITED LIABILITY COMPANY) in Washington, 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 Mutzel Nutrition, LLC (LIMITED LIABILITY COMPANY) in Washington, 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=99482369&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-26","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 8283562","receipt_label":"USPTO · Registration 8283562"}],"observed_at":"2026-07-26","content_fingerprint":"sha256:1329c274dedb0a160297780055d1620418538ff30ec089695c028ccfca4ec7cd","evidence_url":"https://lookcloser.ai/e/ev-93d9bb8651e0"},{"evidence_id":"ev-ddfd1e70cb7f","record_id":"657814069893","gtin":"657814069893","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 200.0 mg is 8% of the ≈2,500 mg serving (serving size printed on the packaging (photo-read from listing images)) — within physical limits.","proof":{"detail":"Claimed magnesium 200.0 mg is 8% of the ≈2,500 mg serving (serving size printed on the packaging (photo-read from listing images)) — within physical limits."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-26","content_fingerprint":"sha256:90f72df64e10e465cbe3dd039a5ce38601aa9d189cb9ce1d6bf658ae00f19b85","evidence_url":"https://lookcloser.ai/e/ev-ddfd1e70cb7f"},{"evidence_id":"ev-f4f0fec6ca73","record_id":"657814069893","gtin":"657814069893","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":"2026-07-26","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":"2026-07-26","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-26","content_fingerprint":"sha256:b25fcd502e4ce5de2542369fc5396ae90a6a8506396f523953798cfef8fb5cbb","evidence_url":"https://lookcloser.ai/e/ev-f4f0fec6ca73"},{"evidence_id":"ev-99d83a8650cf","record_id":"657814069893","gtin":"657814069893","claim_key":"finding:fda-public-records-recall-search-no-match-found-as-of-jul-26-2026","primary_source":"openfda_search","claim":"Recall search: no match found (as of Jul 26, 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:%22MYOXCIENCE%22+OR+product_description:%22MYOXCIENCE%22)&limit=5","observed_at":"2026-07-26","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"MYOXCIENCE","receipt_label":"FDA enforcement search · MYOXCIENCE"}],"observed_at":"2026-07-26","content_fingerprint":"sha256:5fc7793d503d675646ebc56fad78dea3958c87419f160917f1784fad8e5a6c83","evidence_url":"https://lookcloser.ai/e/ev-99d83a8650cf"},{"evidence_id":"ev-49b3eb1538a8","record_id":"657814069893","gtin":"657814069893","claim_key":"finding:label-and-serving-arithmetic-listing-and-photo-read-panel-need-confirmat","primary_source":"facts_panel","claim":"Listing and photo-read panel need confirmation","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"The listing says 200 mg, while our photo read produced Magnesium at 144 mg per serving. OCR can confuse small units and digits, so this remains unresolved until checked against the physical label.","proof":{"detail":"The listing says 200 mg, while our photo read produced Magnesium at 144 mg per serving. OCR can confuse small units and digits, so this remains unresolved until checked against the physical label."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-26","content_fingerprint":"sha256:27403a1ecff7dd7859a3c295f8b73a77a4433bd3fc42dcf25a2f6c182661551d","evidence_url":"https://lookcloser.ai/e/ev-49b3eb1538a8"},{"evidence_id":"ev-c633ef46488f","record_id":"657814069893","gtin":"657814069893","claim_key":"finding:label-and-serving-arithmetic-photo-read-pack-math-is-internally-consiste","primary_source":"facts_panel","claim":"Photo-read pack math is internally consistent","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"60 servings × 2.5 g = 150 g, matching the printed net weight 149 g (NET WT. 5.3 OZ (149 G)). This checks agreement within the photo read; it is not an independent contents test.","proof":{"detail":"60 servings × 2.5 g = 150 g, matching the printed net weight 149 g (NET WT. 5.3 OZ (149 G)). This checks agreement within the photo read; it is not an independent contents test."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-26","content_fingerprint":"sha256:248db8762bd9b03f8ffd05e97ba20d0d0ea86384d9257d902eb0d0cb6977b1c5","evidence_url":"https://lookcloser.ai/e/ev-c633ef46488f"},{"evidence_id":"ev-a6e60b767c7d","record_id":"657814069893","gtin":"657814069893","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/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-26","content_fingerprint":"sha256:0da7008fdf8c65b18aa3e9c674584eaa1d9b7e0150c7c43eb9c24534358ac0ae","evidence_url":"https://lookcloser.ai/e/ev-a6e60b767c7d"},{"evidence_id":"ev-faa858c583ef","record_id":"657814069893","gtin":"657814069893","claim_key":"finding:barcode-gtin-record-upc-valid-no-independent-record","primary_source":"barcode_search","claim":"UPC valid, no independent record","bucket":"unverified","looked":"LookCloser checked Barcode / GTIN record.","found":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","proof":{"detail":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00657814069893","observed_at":"2026-07-26","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-26","content_fingerprint":"sha256:ccbab024b3b0d296713f3208a51140b363fecf57bddd1a46a7efa33ab83055e3","evidence_url":"https://lookcloser.ai/e/ev-faa858c583ef"},{"evidence_id":"ev-be95fddfa1b8","record_id":"657814069893","gtin":"657814069893","claim_key":"finding:keepa-exact-listing-history-review-count-history-not-available","primary_source":"keepa_history","claim":"Review-count history: not available","bucket":"unverified","looked":"LookCloser checked Keepa exact-listing history.","found":"Marketplace rating not shown★ — rating count unavailable. No exact-listing count history was available, so no review-pattern claim is made.","proof":{"detail":"Marketplace rating not shown★ — rating count unavailable. No exact-listing count history was available, so no review-pattern claim is made."},"source_refs":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B081TKGV1J","observed_at":"2026-07-26","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-26","content_fingerprint":"sha256:5c96e40c93f6578d73d67f017f8c47a921f8ae2de0a956e3dfce3f7239df5c2e","evidence_url":"https://lookcloser.ai/e/ev-be95fddfa1b8"},{"evidence_id":"ev-ecc32eb06e36","record_id":"657814069893","gtin":"657814069893","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 200 mg/serving — about 48% 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 200 mg/serving — about 48% 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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Ingredient research is not treated as a trial of this exact product.","bucket_order":["contradicted","overreaching","checks_out","partly","claimed_no_support","unverified"],"buckets":{"contradicted":[],"overreaching":[],"checks_out":[],"partly":[{"bucket":"partly","claim_key":"claim:efficacy","claim":"“Cognitive Function: Formulated with Magtein (magnesium L-threonate) to help maintain healthy brain magnesium levels, promoting memory and learning…”","check":"Ingredient evidence exists; on dose: label states 200 mg/serving — about 48% 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. 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The panel says 144 mg. Because this panel was read from an image, confirm the physical label before treating the difference as settled.","looked":"the listing dose against the exact same named panel subject","found":"The label promises 200 mg per serving. The panel says 144 mg. Because this panel was read from an image, confirm the physical label before treating the difference as settled.","finding_id":null,"registry_receipts":[],"evidence_id":"ev-d3079715c176","evidence_url":"https://lookcloser.ai/e/ev-d3079715c176","content_fingerprint":"sha256:6486d763d0ca52c0c7a36b9ec992e423bfc5962d4cce6792f513512d85504e9a","observed_at":"2026-07-26","source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26","identity_basis":"listing_identifier","scope":"exact_listing"}],"proof":{"subject":"magnesium","listing_amount_mg":200,"panel_amount_mg":144,"panel_source":"listing_image","tolerance_mg":4}}],"claimed_no_support":[],"unverified":[]},"counts":{"contradicted":0,"overreaching":0,"checks_out":0,"partly":2,"claimed_no_support":0,"unverified":0},"puffery":[],"consumed_finding_ids":[]},"brand_presence":{"status":"store_found_no_product","host":"https://myoxcience.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":55,"currency":"USD","url":"https://www.amazon.com/dp/B081TKGV1J","observed_at":"2026-07-26T22:27:24.068424+00:00","identity_basis":"exact_gtin","gtin":"00657814069893","rating":null,"price_source":"Keepa","price_type":"lowest_new"}],"ratings":{"stars":null,"count":null,"observed_at":"2026-07-26","source_ref":"source_listing"},"facts_panel_source":"listing_image"},"report_url":"https://lookcloser.ai/p/657814069893","methodology":"https://lookcloser.ai/methodology","built_at":"2026-07-26T23:09:30Z","status":"complete","caveats":["Pre-launch beta; not yet independently archived.","Listing-image panel data was machine-read; transcription errors are possible.","Prices and ratings are point-in-time snapshots.","LookCloser does not advise for or against any supplement."],"content_fingerprint":"sha256:7a4e4b9c813368eaec1317d86db7af8e4ff1fe32b6cd0ebbcf19d0995f6c6806"}