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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_creatine","nih_ods_magnesium","pubmed_magnesium"],"source_url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","scope":"ingredient_context","inference_level":"gap","observed_at":"2026-07-23","presentation_tone":"gap","evidence_id":"ev-222a09dbae6c","evidence_url":"https://lookcloser.ai/e/ev-222a09dbae6c","content_fingerprint":"sha256:d575d2d49a973b1d1efd12d003d680eee3f13bcc1ef47f4f94c438767f4fe358","registry_receipts":[{"source":"nih_ods_creatine","url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","label":"NIH ODS — Exercise & Athletic Performance fact sheet","registry_name":"NIH ODS","standard":null,"identifier":"creatine monohydrate"},{"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 creatine monohydrate, 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_creatine","nih_ods_magnesium","pubmed_magnesium"],"source_records":[{"source":"nih_ods_creatine","source_url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","observed_at":"2026-07-23","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"creatine monohydrate","receipt_label":"NIH ODS — Exercise & Athletic Performance fact sheet"},{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-23","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":"2026-07-23","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-23","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how creatine monohydrate, 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/lc-ddcaeeec#finding-nih-published-research-research-context-is-available-for-the-listed-ingr"},{"id":"fda-public-records-recall-search-no-match-found-as-of-jul-23-2026","source":"FDA public records","class":"gap","severity":"info","weight":19,"headline":"Recall search: no match found (as of Jul 23, 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:%22ZEST%22+OR+product_description:%22ZEST%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-23","presentation_tone":"caution","evidence_id":"ev-1e8552b7e7fe","evidence_url":"https://lookcloser.ai/e/ev-1e8552b7e7fe","content_fingerprint":"sha256:1c504ac7ef53ec160188976f5a09af7f1b07382600873527ea53b9d747d4add3","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:%22ZEST%22+OR+product_description:%22ZEST%22)&limit=5","observed_at":"2026-07-23","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"ZEST","receipt_label":"FDA enforcement search · ZEST"}],"observed_at":"2026-07-23","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-23-2026","report_url":"https://lookcloser.ai/p/lc-ddcaeeec#finding-fda-public-records-recall-search-no-match-found-as-of-jul-23-2026"},{"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/#!api","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-23","presentation_tone":"gap","evidence_id":"ev-236d31b2fd69","evidence_url":"https://lookcloser.ai/e/ev-236d31b2fd69","content_fingerprint":"sha256:42220e6cf4475bdc91373b1ec97e620422275b7f5689dd9fa2d5e19908eeb203","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/#!api","observed_at":"2026-07-23","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H34HNK71","observed_at":"2026-07-23","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-23","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/lc-ddcaeeec#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 0 on 2026-07-23 to 0 on 2026-07-23 (net +0). 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 0 on 2026-07-23 to 0 on 2026-07-23 (net +0). 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/#!api","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-23","presentation_tone":"gap","evidence_id":"ev-a713521b4f41","evidence_url":"https://lookcloser.ai/e/ev-a713521b4f41","content_fingerprint":"sha256:7cab5dcad068685ab76370f8c9dbb70d878b59eb9bf683d5490409212145186b","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 0 on 2026-07-23 to 0 on 2026-07-23 (net +0). 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/#!api","observed_at":"2026-07-23","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H34HNK71","observed_at":"2026-07-23","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-23","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 0 on 2026-07-23 to 0 on 2026-07-23 (net +0). 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/lc-ddcaeeec#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"}],"evidence_records":[{"evidence_id":"ev-83acf1ec24e9","record_id":"lc-ddcaeeec","gtin":null,"claim_key":"finding:label-and-serving-arithmetic-no-physical-impossibility-in-the-listed-amo","primary_source":"facts_panel","claim":"No physical impossibility in the listed amounts","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"Technical check only: the panel’s 5 actives sum to 8,880 mg, which fits inside the ≈11,000 mg serving. This means the numbers are physically possible — it does not mean the formula was validated or the contents confirmed.","proof":{"detail":"Technical check only: the panel’s 5 actives sum to 8,880 mg, which fits inside the ≈11,000 mg serving. This means the numbers are physically possible — it does not mean the formula was validated or the contents confirmed."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0H34HNK71","observed_at":"2026-07-23","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H34HNK71","observed_at":"2026-07-23","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-23","content_fingerprint":"sha256:63d7c326c569ac91eedde4733c2704da23f5361ef719c2c65def410604a8cd4c","evidence_url":"https://lookcloser.ai/e/ev-83acf1ec24e9"},{"evidence_id":"ev-8fdac542b0b9","record_id":"lc-ddcaeeec","gtin":null,"claim_key":"finding:nih-published-research-how-it-s-marketed-doesn-t-match-how-it-was-studie","primary_source":"nih_ods_creatine","claim":"How it’s marketed doesn’t match how it was studied","bucket":"claimed_no_support","looked":"LookCloser checked NIH / published research.","found":"The listing uses “pre-workout” framing, but published research attributes creatine monohydrate’s effect to studied as a daily supplement — the effect comes from muscle saturation over weeks, not from timing a dose before a workout. Sources: NIH ODS — Exercise & Athletic Performance fact sheet, Creatine stability by moisture and temperature (PubMed).","proof":{"detail":"The listing uses “pre-workout” framing, but published research attributes creatine monohydrate’s effect to studied as a daily supplement — the effect comes from muscle saturation over weeks, not from timing a dose before a workout. Sources: NIH ODS — Exercise & Athletic Performance fact sheet, Creatine stability by moisture and temperature (PubMed)."},"source_refs":[{"source":"nih_ods_creatine","source_url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","observed_at":"2026-07-23","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"creatine monohydrate","receipt_label":"NIH ODS — Exercise & Athletic Performance fact sheet"},{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-23","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":"2026-07-23","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-23","content_fingerprint":"sha256:49dccac4c724820fb172c95c83dd71b0931cd7a7caff2ee263da3a2d18704d98","evidence_url":"https://lookcloser.ai/e/ev-8fdac542b0b9"},{"evidence_id":"ev-222a09dbae6c","record_id":"lc-ddcaeeec","gtin":null,"claim_key":"finding:nih-published-research-research-context-is-available-for-the-listed-ingr","primary_source":"nih_ods_creatine","claim":"Research context is available for the listed ingredients","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how creatine monohydrate, 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 creatine monohydrate, 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_creatine","source_url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","observed_at":"2026-07-23","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"creatine monohydrate","receipt_label":"NIH ODS — Exercise & Athletic Performance fact sheet"},{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-23","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":"2026-07-23","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-23","content_fingerprint":"sha256:d575d2d49a973b1d1efd12d003d680eee3f13bcc1ef47f4f94c438767f4fe358","evidence_url":"https://lookcloser.ai/e/ev-222a09dbae6c"},{"evidence_id":"ev-ce99e03c4ea8","record_id":"lc-ddcaeeec","gtin":null,"claim_key":"finding:nih-published-research-each-ingredient-s-amount-is-disclosed","primary_source":"nih_ods_creatine","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_creatine","source_url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","observed_at":"2026-07-23","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"creatine monohydrate","receipt_label":"NIH ODS — Exercise & Athletic Performance fact sheet"},{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-23","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":"2026-07-23","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-23","content_fingerprint":"sha256:c5505ed01625682283bad45c60c4c4f02c3243830ef23b303b5e35e0450e1471","evidence_url":"https://lookcloser.ai/e/ev-ce99e03c4ea8"},{"evidence_id":"ev-f1a28e2622da","record_id":"lc-ddcaeeec","gtin":null,"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":"30 servings × 11 g = 330 g, matching the printed net weight 330 g (NET WT. 11.6 oz (330 g)). This checks agreement within the photo read; it is not an independent contents test.","proof":{"detail":"30 servings × 11 g = 330 g, matching the printed net weight 330 g (NET WT. 11.6 oz (330 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/B0H34HNK71","observed_at":"2026-07-23","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H34HNK71","observed_at":"2026-07-23","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-23","content_fingerprint":"sha256:a8b3d36eece044173fdea8fd7a1ce819c9784e05463f1bf4fe0edca623b617f4","evidence_url":"https://lookcloser.ai/e/ev-f1a28e2622da"},{"evidence_id":"ev-1e8552b7e7fe","record_id":"lc-ddcaeeec","gtin":null,"claim_key":"finding:fda-public-records-recall-search-no-match-found-as-of-jul-23-2026","primary_source":"openfda_search","claim":"Recall search: no match found (as of Jul 23, 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:%22ZEST%22+OR+product_description:%22ZEST%22)&limit=5","observed_at":"2026-07-23","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"ZEST","receipt_label":"FDA enforcement search · ZEST"}],"observed_at":"2026-07-23","content_fingerprint":"sha256:1c504ac7ef53ec160188976f5a09af7f1b07382600873527ea53b9d747d4add3","evidence_url":"https://lookcloser.ai/e/ev-1e8552b7e7fe"},{"evidence_id":"ev-4c5dc0cafdc1","record_id":"lc-ddcaeeec","gtin":null,"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/B0H34HNK71","observed_at":"2026-07-23","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-23","content_fingerprint":"sha256:fb28f3350defa98ffa5f5417338f415eeb351fa7ec76fe7e0922d3bf031724a6","evidence_url":"https://lookcloser.ai/e/ev-4c5dc0cafdc1"},{"evidence_id":"ev-a713521b4f41","record_id":"lc-ddcaeeec","gtin":null,"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 0 on 2026-07-23 to 0 on 2026-07-23 (net +0). 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 0 on 2026-07-23 to 0 on 2026-07-23 (net +0). 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/#!api","observed_at":"2026-07-23","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H34HNK71","observed_at":"2026-07-23","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-23","content_fingerprint":"sha256:7cab5dcad068685ab76370f8c9dbb70d878b59eb9bf683d5490409212145186b","evidence_url":"https://lookcloser.ai/e/ev-a713521b4f41"},{"evidence_id":"ev-236d31b2fd69","record_id":"lc-ddcaeeec","gtin":null,"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. 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