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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.","so_what":"Use the linked research to check whether the ingredient and outcome you care about are actually connected. Ingredient evidence does not verify this product.","source":"NIH / published research","source_links":[{"label":"NIH ODS — Magnesium fact sheet","url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","role":"magnesium context · not product evidence"},{"label":"PubMed search: magnesium glycinate supplementation","url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","role":"magnesium context · not product evidence"}],"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_id":"ev-37e6046b4a70","evidence_url":"https://lookcloser.ai/e/ev-37e6046b4a70","presentation_home":"research_section"},{"finding_id":"nih-published-research-reaching-a-studied-dose-costs-about-55-month","card_type":"cost_to_reach_dose","question":"value","tone":"neutral","weight":42,"headline":"Reaching a studied dose costs about $55/month","evidence":"At 2.5 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $55 per month. 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testing."},"html_anchor":"finding-label-and-serving-arithmetic-listing-claim-matches-the-supplement-facts-","report_url":"https://lookcloser.ai/p/744553031240/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 80 mg/serving — about 19% 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 80 mg/serving — about 19% 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-55-month","report_url":"https://lookcloser.ai/p/744553031240/full#finding-nih-published-research-reaching-a-studied-dose-costs-about-55-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. 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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/744553031240/full#finding-nih-published-research-research-context-is-available-for-the-listed-ingr"},{"id":"review_velocity_gradual","source":"keepa","class":"ok","weight":20,"headline":"The review count moved gradually, not in one burst","detail":"Written reviews rose from 120 to 139 between July 15, 2025 and July 26, 2026. The largest rise inside any single 30-day window was about 7, so the count moved in steps rather than in one burst.","proof":{"first":["2025-07-15",120],"last":["2026-07-26",139],"max_30d_review_gain":7},"identity_basis":"listing","status":"live","severity":"ok","source_refs":["source_listing"],"source_url":"https://www.amazon.com/dp/B0CK7J5PGV","scope":"exact_listing","inference_level":"direct_observation","observed_at":"2026-07-27","presentation_tone":"ok","evidence_id":"ev-6b932182c184","evidence_url":"https://lookcloser.ai/e/ev-6b932182c184","content_fingerprint":"sha256:ecaec0d8f3dd762244d2476e8599aea4ac0dfa3e137ccf1180a964d72f3fdc52","registry_receipts":[],"evidence":{"summary":{"first":["2025-07-15",120],"last":["2026-07-26",139],"max_30d_review_gain":7},"source_refs":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","looked":"LookCloser checked keepa.","found":"Written reviews rose from 120 to 139 between July 15, 2025 and July 26, 2026. The largest rise inside any single 30-day window was about 7, so the count moved in steps rather than in one burst."},"html_anchor":"finding-review_velocity_gradual","report_url":"https://lookcloser.ai/p/744553031240/full#finding-review_velocity_gradual"},{"id":"label-and-serving-arithmetic-public-label-filing-not-retained","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Public label filing not retained","detail":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","proof":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B0CK7J5PGV","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-27","presentation_tone":"gap","evidence_id":"ev-dcd346c19287","evidence_url":"https://lookcloser.ai/e/ev-dcd346c19287","content_fingerprint":"sha256:b1396c1faa0e749fb83ccc20505f26442048e5fccb8136ad3c8d107993f23fc7","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/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","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/744553031240/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"fda-public-records-recall-search-no-match-found-as-of-jul-27-2026","source":"FDA public records","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Recall search: no match found (as of Jul 27, 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:%22Zerospike%22+OR+product_description:%22Zerospike%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-27","presentation_tone":"caution","evidence_id":"ev-2f2ddf1dbb0c","evidence_url":"https://lookcloser.ai/e/ev-2f2ddf1dbb0c","content_fingerprint":"sha256:dca2ffc3fa024630087c1e5190ddab2b93050a737077ffd1218b03d03b1b494f","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:%22Zerospike%22+OR+product_description:%22Zerospike%22)&limit=5","observed_at":"2026-07-27","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"Zerospike","receipt_label":"FDA enforcement search · Zerospike"}],"observed_at":"2026-07-27","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-27-2026","report_url":"https://lookcloser.ai/p/744553031240/full#finding-fda-public-records-recall-search-no-match-found-as-of-jul-27-2026"},{"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-B0CK7J5PGV","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-27","presentation_tone":"gap","evidence_id":"ev-75931f11d422","evidence_url":"https://lookcloser.ai/e/ev-75931f11d422","content_fingerprint":"sha256:45cb4cf62a51c7dc10bad10458514a466007a813f2407b7a4dcf69b9587553f9","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-B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","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/744553031240/full#finding-keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam"},{"id":"lookcloser-record-check-photo-read-pack-numbers-need-confirmation","source":"LookCloser record check","class":"gap","noted":false,"severity":"pend","weight":18,"headline":"Photo-read pack numbers need confirmation","detail":"Our image read produced 30 × 3.8 g = 114 g versus net weight 3.8 g. OCR or variant mixing can cause this; check the physical package before treating it as a contradiction.","proof":"Our image read produced 30 × 3.8 g = 114 g versus net weight 3.8 g. OCR or variant mixing can cause this; check the physical package before treating it as a contradiction.","identity_basis":"none","status":"live","source_refs":["source_listing"],"source_url":"https://www.amazon.com/dp/B0CK7J5PGV","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-27","presentation_tone":"gap","evidence_id":"ev-0f29aa04d633","evidence_url":"https://lookcloser.ai/e/ev-0f29aa04d633","content_fingerprint":"sha256:6480be4806aa924cafacd08be5f58400a8f79e2552ed24ad75236cc7dadf3780","registry_receipts":[],"evidence":{"summary":"Our image read produced 30 × 3.8 g = 114 g versus net weight 3.8 g. OCR or variant mixing can cause this; check the physical package before treating it as a contradiction.","source_refs":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","looked":"LookCloser checked LookCloser record check.","found":"Our image read produced 30 × 3.8 g = 114 g versus net weight 3.8 g. OCR or variant mixing can cause this; check the physical package before treating it as a contradiction."},"html_anchor":"finding-lookcloser-record-check-photo-read-pack-numbers-need-confirmation","report_url":"https://lookcloser.ai/p/744553031240/full#finding-lookcloser-record-check-photo-read-pack-numbers-need-confirmation"},{"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 119 on 2025-06-30 to 139 on 2026-07-26 (net +20). 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 119 on 2025-06-30 to 139 on 2026-07-26 (net +20). 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-B0CK7J5PGV","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-27","presentation_tone":"gap","evidence_id":"ev-8de4b3a8abb4","evidence_url":"https://lookcloser.ai/e/ev-8de4b3a8abb4","content_fingerprint":"sha256:705a277116c8ab2937163c63b8a34729b3bd91987e16e78e81ec329c6f950f10","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 119 on 2025-06-30 to 139 on 2026-07-26 (net +20). 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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/744553031240/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"},{"id":"lookcloser-record-check-brand-ownership-record-not-retained","source":"LookCloser record check","class":"gap","noted":false,"severity":"info","weight":14,"headline":"Brand ownership record not retained","detail":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper.","proof":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper.","identity_basis":"owner_exact","status":"live","source_refs":["uspto_search"],"source_url":"https://tmsearch.uspto.gov/","scope":"brand_owner","inference_level":"gap","observed_at":"2026-07-27","presentation_tone":"gap","evidence_id":"ev-3bf590f357bd","evidence_url":"https://lookcloser.ai/e/ev-3bf590f357bd","content_fingerprint":"sha256:38e0835647462985a5734826ee82dea63cf3bf81e86ff2e2be7d4d68f370d8e8","registry_receipts":[],"evidence":{"summary":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper.","source_refs":["uspto_search"],"source_records":[{"source":"uspto_search","source_url":"https://tmsearch.uspto.gov/","observed_at":"2026-07-27","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO"}],"observed_at":"2026-07-27","looked":"LookCloser checked LookCloser record check.","found":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper."},"html_anchor":"finding-lookcloser-record-check-brand-ownership-record-not-retained","report_url":"https://lookcloser.ai/p/744553031240/full#finding-lookcloser-record-check-brand-ownership-record-not-retained"}],"evidence_records":[{"evidence_id":"ev-607eb4fded30","record_id":"744553031240","gtin":"744553031240","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 80.0 mg is 2% of the ≈3,800 mg serving (serving size on the label, keyed to UPC 744553031240) — within physical limits.","proof":{"detail":"Claimed magnesium 80.0 mg is 2% of the ≈3,800 mg serving (serving size on the label, keyed to UPC 744553031240) — within physical limits."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:966186e067dddd221048931c738ac34858e167a5237722c8ca6da90a90018645","evidence_url":"https://lookcloser.ai/e/ev-607eb4fded30"},{"evidence_id":"ev-224cd10d6867","record_id":"744553031240","gtin":"744553031240","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 744553031240 to \"Advanced Hydration\" (Zero spike) — consistent with this listing.","proof":{"detail":"Open Food Facts resolves 744553031240 to \"Advanced Hydration\" (Zero spike) — consistent with this listing."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00744553031240","observed_at":"2026-07-27","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:95045f32e5208a6e09433a9d8d78a927c622c95e0096924f640c20cc50e22e05","evidence_url":"https://lookcloser.ai/e/ev-224cd10d6867"},{"evidence_id":"ev-6b932182c184","record_id":"744553031240","gtin":"744553031240","claim_key":"finding:review_velocity_gradual","primary_source":"source_listing","claim":"The review count moved gradually, not in one burst","bucket":"checks_out","looked":"LookCloser checked keepa.","found":"Written reviews rose from 120 to 139 between July 15, 2025 and July 26, 2026. 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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:%22Zerospike%22+OR+product_description:%22Zerospike%22)&limit=5","observed_at":"2026-07-27","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"Zerospike","receipt_label":"FDA enforcement search · Zerospike"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:dca2ffc3fa024630087c1e5190ddab2b93050a737077ffd1218b03d03b1b494f","evidence_url":"https://lookcloser.ai/e/ev-2f2ddf1dbb0c"},{"evidence_id":"ev-a137fdf34064","record_id":"744553031240","gtin":"744553031240","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 80 mg; the photo-read Supplement Facts panel shows Magnesium (as Magnesium malate anhydrous) at 80 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.","proof":{"detail":"The listing claims 80 mg; the photo-read Supplement Facts panel shows Magnesium (as Magnesium malate anhydrous) at 80 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/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:201ef4e0c2017e3b8df37d5398a18e4c709068862f589d7fa5800e49481767af","evidence_url":"https://lookcloser.ai/e/ev-a137fdf34064"},{"evidence_id":"ev-dcd346c19287","record_id":"744553031240","gtin":"744553031240","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/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:b1396c1faa0e749fb83ccc20505f26442048e5fccb8136ad3c8d107993f23fc7","evidence_url":"https://lookcloser.ai/e/ev-dcd346c19287"},{"evidence_id":"ev-8de4b3a8abb4","record_id":"744553031240","gtin":"744553031240","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 119 on 2025-06-30 to 139 on 2026-07-26 (net +20). 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 119 on 2025-06-30 to 139 on 2026-07-26 (net +20). 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-B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:705a277116c8ab2937163c63b8a34729b3bd91987e16e78e81ec329c6f950f10","evidence_url":"https://lookcloser.ai/e/ev-8de4b3a8abb4"},{"evidence_id":"ev-75931f11d422","record_id":"744553031240","gtin":"744553031240","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-B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:45cb4cf62a51c7dc10bad10458514a466007a813f2407b7a4dcf69b9587553f9","evidence_url":"https://lookcloser.ai/e/ev-75931f11d422"},{"evidence_id":"ev-ae04de082bff","record_id":"744553031240","gtin":"744553031240","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 80 mg/serving — about 19% 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 80 mg/serving — about 19% 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":"2026-07-27","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":"2026-07-27","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:7dd25b0d956f86ce3c359e895aedf28a5165e7e0c024dceb1b5e1ff7be95a8ff","evidence_url":"https://lookcloser.ai/e/ev-ae04de082bff"},{"evidence_id":"ev-37e6046b4a70","record_id":"744553031240","gtin":"744553031240","claim_key":"finding:nih-published-research-research-context-is-available-for-the-listed-ingr","primary_source":"nih_ods_magnesium","claim":"Research context is available for the listed ingredients","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":{"detail":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation."},"source_refs":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-27","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":"2026-07-27","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:ed25697896566ded052ecaae52be862c9cfeeedf7f2727482f9bcd3e3008cd6b","evidence_url":"https://lookcloser.ai/e/ev-37e6046b4a70"},{"evidence_id":"ev-936d1266ca42","record_id":"744553031240","gtin":"744553031240","claim_key":"finding:nih-published-research-reaching-a-studied-dose-costs-about-55-month","primary_source":"nih_ods_magnesium","claim":"Reaching a studied dose costs about $55/month","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"At 2.5 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $55 per month. A price observation, not a recommendation.","proof":{"detail":"At 2.5 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $55 per month. A price observation, not a recommendation."},"source_refs":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-27","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":"2026-07-27","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:0441874444df38ba0865af3b44c0a7a72ea479b65ddd9a5c43bf2896c420e31e","evidence_url":"https://lookcloser.ai/e/ev-936d1266ca42"},{"evidence_id":"ev-0f29aa04d633","record_id":"744553031240","gtin":"744553031240","claim_key":"finding:lookcloser-record-check-photo-read-pack-numbers-need-confirmation","primary_source":"source_listing","claim":"Photo-read pack numbers need confirmation","bucket":"unverified","looked":"LookCloser checked LookCloser record check.","found":"Our image read produced 30 × 3.8 g = 114 g versus net weight 3.8 g. OCR or variant mixing can cause this; check the physical package before treating it as a contradiction.","proof":{"detail":"Our image read produced 30 × 3.8 g = 114 g versus net weight 3.8 g. OCR or variant mixing can cause this; check the physical package before treating it as a contradiction."},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:6480be4806aa924cafacd08be5f58400a8f79e2552ed24ad75236cc7dadf3780","evidence_url":"https://lookcloser.ai/e/ev-0f29aa04d633"},{"evidence_id":"ev-3bf590f357bd","record_id":"744553031240","gtin":"744553031240","claim_key":"finding:lookcloser-record-check-brand-ownership-record-not-retained","primary_source":"uspto_search","claim":"Brand ownership record not retained","bucket":"unverified","looked":"LookCloser checked LookCloser record check.","found":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper.","proof":{"detail":"This record does not hold an exact, supplement-class public ownership record for the brand. That is a LookCloser coverage gap, not evidence that the brand has no owner or that the product is improper."},"source_refs":[{"source":"uspto_search","source_url":"https://tmsearch.uspto.gov/","observed_at":"2026-07-27","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:38e0835647462985a5734826ee82dea63cf3bf81e86ff2e2be7d4d68f370d8e8","evidence_url":"https://lookcloser.ai/e/ev-3bf590f357bd"},{"evidence_id":"ev-4a06a41da3e1","record_id":"744553031240","gtin":"744553031240","claim_key":"claim:efficacy","primary_source":"source_listing","claim":"“SUPPORT YOUR MUSCLES: Stay within your dietary limits while smashing sets at the”","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 80 mg/serving — about 19% 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.","proof":{"kind":"efficacy","status":"partly","snippet":"…💪 SUPPORT YOUR MUSCLES: Stay within your dietary limits while smashing sets at the gym.…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-27","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":"2026-07-27","identity_basis":"named_ingredient","scope":"ingredient"},{"source":"nih_ods_potassium","source_url":"https://ods.od.nih.gov/factsheets/Potassium-HealthProfessional/","observed_at":"2026-07-27","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"potassium","receipt_label":"NIH ODS · potassium fact sheet"},{"source":"pubmed_potassium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=%22potassium%22","observed_at":"2026-07-27","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:ab58787b4cabb9b561781d3838a66e692a296d62557343f885cbce4c0ba433a5","evidence_url":"https://lookcloser.ai/e/ev-4a06a41da3e1"},{"evidence_id":"ev-e3cee7ba02e2","record_id":"744553031240","gtin":"744553031240","claim_key":"dose:magnesium","primary_source":"facts_panel","claim":"“Magnesium 80 mg per serving”","bucket":"checks_out","looked":"the listing dose against the exact same named panel subject","found":"The label promises 80 mg per serving. The panel says 80 mg. They match.","proof":{"subject":"magnesium","listing_amount_mg":80,"panel_amount_mg":80,"panel_source":"listing_image","tolerance_mg":1.6},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CK7J5PGV","observed_at":"2026-07-27","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-27","content_fingerprint":"sha256:a23b6073413a1521f97a6e59a458e25e4021f73b03fd87d70389069e010aef42","evidence_url":"https://lookcloser.ai/e/ev-e3cee7ba02e2"}],"label_math":{"verdict":"PLAUSIBLE","claimed_subject":"magnesium","claimed_mg":80,"serving_mass_mg":3800,"percent_of_serving":2.1052631578947367,"serving_mass_source":"serving size on the label, keyed to UPC 744553031240","ambiguity":null,"declared_actives_total_mg":1300,"headline_claim_mg":80,"headline_subject":"magnesium","subject_actual_mg":80},"listing_claims":{"dose_claims":[{"subject":"magnesium","amount_mg":80,"basis":"per_serving"}],"testing":{"claimed":false,"named_lab_or_certifier":false},"container":{"units":null,"servings":null,"pack_count":1,"units_conflict":false},"marketing_text":["NO ADDED FLAVOR","1000 mg Sodium","300 mg Potassium","80 mg Magnesium","DIETARY SUPPLEMENT","NO SUGAR - NO CARBS","NO CARBS","NO DAIRY","NO HIDDEN INGREDIENTS","NO GLUTEN"],"certification_text":["NO CARBS","NO DAIRY","NO HIDDEN INGREDIENTS","NO GLUTEN","KETO FRIENDLY","CAVEMAN FRIENDLY","VEGAN FRIENDLY","FASTING FRIENDLY"],"claim_checks":[{"kind":"efficacy","label":"Benefit claim","snippet":"…💪 SUPPORT YOUR MUSCLES: Stay within your dietary limits while smashing sets at the gym.…","looked":"whether the ingredient doses on the label match the doses used in published research","found":"Ingredient evidence exists; on dose: label states 80 mg/serving — about 19% 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.","status":"partly"}],"identity_basis":"source_listing_and_identity_bound_label"},"facts_panel_status":"captured","label_photo_read":{"src":"vision:google/gemini-2.5-flash","reader_version":"2026-07-26.3","images_read":5,"raw_reads":[{"img":0,"model":"google/gemini-2.5-flash","text":"```json\n{\n  \"brand\": \"ZEROSPIKE\",\n  \"product_name\": \"Advanced Hydration Electrolyte powder formula\",\n  \"barcode\": null,\n  \"panel\": false,\n  \"serving_size_text\": null,\n  \"serving_size_g\": null,\n  \"servings_per_container\": null,\n  \"net_weight_text\": \"NET WT 0.13 OZ (3.8G)\",\n  \"net_weight_g\": 3.8,\n  \"unit_count_text\": null,\n  \"responsible_parties\": [],\n  \"websites\": [],\n  \"actives\": [],\n  \"label_claims\": [\n    \"NO ADDED FLAVOR\",\n    \"1000 mg Sodium\",\n    \"300 mg Potassium\",\n    \"80 mg Magnesium\",\n    \"DIETARY SUPPLEMENT\",\n    \"NO SUGAR - NO CARBS\"\n  ],\n  \"certifications\": []\n}\n```"},{"img":2,"model":"google/gemini-2.5-flash","text":"```json\n{\"brand\": \"ZEROSPIKE\",\n \"product_name\": \"Advanced Hydration Sugar-Free Electrolyte Drink Mix\",\n \"barcode\": null,\n \"panel\": true,\n \"serving_size_text\": \"1 stick pack (3.8g)\",\n \"serving_size_g\": 3.8,\n \"servings_per_container\": 30,\n \"net_weight_text\": \"NET WT. 4 oz (114g)\",\n \"net_weight_g\": 114,\n \"unit_count_text\": \"30 STICK PACKS\",\n \"responsible_parties\": [],\n \"websites\": [],\n \"actives\": [{\"name\": \"Magnesium (as Magnesium malate anhydrous)\", \"amount\": \"80\", \"unit\": \"mg\"},\n  {\"name\": \"Sodium (as Sodium chloride)\", \"amount\": \"1000\", \"unit\": \"mg\"},\n  {\"name\": \"Potassium (as Potassium chloride)\", \"amount\": \"300\", \"unit\": \"mg\"}],\n \"label_claims\": [\"NO ADDED FLAVOR\",\n  \"NO CARBS\",\n  \"NO DAIRY\",\n  \"NO HIDDEN INGREDIENTS\",\n  \"NO GLUTEN\",\n  \"KETO FRIENDLY\",\n  \"CAVEMAN FRIENDLY\",\n  \"VEGAN FRIENDLY\",\n  \"FASTING FRIENDLY\"],\n \"certifications\": []}\n```"},{"img":3,"model":"google/gemini-2.5-flash","text":"```json\n{\"brand\": \"ZEROSPIKE\", \"product_name\": \"Advanced Hydration Sugar-Free Electrolyte Drink Mix\", \"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\": [\"1000 mg Sodium\", \"300 mg Potassium\", \"80 mg Magnesium\", \"NO ADDED FLAVOR\"], \"certifications\": [\"NO CARBS\", \"NO DAIRY\", \"NO HIDDEN INGREDIENTS\", \"NO GLUTEN\", \"KETO FRIENDLY\", \"CAVEMAN FRIENDLY\", \"VEGAN FRIENDLY\", \"FASTING FRIENDLY\"]}\n```"},{"img":4,"model":"google/gemini-2.5-flash","text":"```json\n{\"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\": [\"Suggested uses\", \"Mix one stick with:\", \"16-32oz of water\", \"Sparkling water\", \"Smoothie\", \"Tea\"], \"certifications\": []}\n```"},{"img":5,"model":"google/gemini-2.5-flash","text":"```json\n{\"brand\": \"ZEROSPIKE\", \"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\": [\"Jumpstart every day\", \"More energy and better performance\", \"Propel your workouts\", \"Promote healthy fasting\", \"Cramps relief\", \"Deeper sleep\", \"Support regularity\", \"Enhance cognitive function\", \"Muscle recovery\"], \"certifications\": []}\n```"}],"source_images":["https://m.media-amazon.com/images/I/71BEGug84zL.jpg","https://m.media-amazon.com/images/I/81bGj9FUwkL.jpg","https://m.media-amazon.com/images/I/719EppfTt4L.jpg","https://m.media-amazon.com/images/I/71BmfrbYQGL.jpg","https://m.media-amazon.com/images/I/61d1b4uKnML.jpg","https://m.media-amazon.com/images/I/71xCA3snveL.jpg","https://m.media-amazon.com/images/I/71OjD06nzkL.jpg"],"facts_panel_image":2,"brand":"ZEROSPIKE","product_name":"Advanced Hydration Sugar-Free Electrolyte Drink Mix","barcode":null,"barcode_identity_status":"unreadable_or_absent","serving_size_text":"1 stick pack (3.8g)","serving_size_g":3.8,"servings_per_container":30,"net_weight_text":"NET WT 0.13 OZ (3.8G)","net_weight_g":3.8,"unit_count_text":"30 STICK PACKS","actives":[{"name":"Magnesium (as Magnesium malate anhydrous)","amount":"80","unit":"mg"},{"name":"Sodium (as Sodium chloride)","amount":"1000","unit":"mg"},{"name":"Potassium (as Potassium chloride)","amount":"300","unit":"mg"}],"responsible_parties":[],"websites":[],"label_claims":["NO ADDED FLAVOR","1000 mg Sodium","300 mg Potassium","80 mg Magnesium","DIETARY SUPPLEMENT","NO SUGAR - NO CARBS","NO CARBS","NO DAIRY","NO HIDDEN INGREDIENTS","NO GLUTEN"],"certifications":["NO CARBS","NO DAIRY","NO HIDDEN INGREDIENTS","NO GLUTEN","KETO FRIENDLY","CAVEMAN FRIENDLY","VEGAN FRIENDLY","FASTING FRIENDLY"],"panel_rows":[{"name":"Magnesium (as Magnesium malate anhydrous)","amount":"80","unit":"mg"},{"name":"Sodium (as Sodium chloride)","amount":"1000","unit":"mg"},{"name":"Potassium (as Potassium chloride)","amount":"300","unit":"mg"}]},"resolved_facts_panel":{"src":"vision:google/gemini-2.5-flash","reader_version":"2026-07-26.3","images_read":5,"raw_reads":[{"img":0,"model":"google/gemini-2.5-flash","text":"```json\n{\n  \"brand\": \"ZEROSPIKE\",\n  \"product_name\": \"Advanced Hydration Electrolyte powder formula\",\n  \"barcode\": null,\n  \"panel\": false,\n  \"serving_size_text\": null,\n  \"serving_size_g\": null,\n  \"servings_per_container\": null,\n  \"net_weight_text\": \"NET WT 0.13 OZ (3.8G)\",\n  \"net_weight_g\": 3.8,\n  \"unit_count_text\": null,\n  \"responsible_parties\": [],\n  \"websites\": [],\n  \"actives\": [],\n  \"label_claims\": [\n    \"NO ADDED FLAVOR\",\n    \"1000 mg Sodium\",\n    \"300 mg Potassium\",\n    \"80 mg Magnesium\",\n    \"DIETARY SUPPLEMENT\",\n    \"NO SUGAR - NO CARBS\"\n  ],\n  \"certifications\": []\n}\n```"},{"img":2,"model":"google/gemini-2.5-flash","text":"```json\n{\"brand\": \"ZEROSPIKE\",\n \"product_name\": \"Advanced Hydration Sugar-Free Electrolyte Drink Mix\",\n \"barcode\": null,\n \"panel\": true,\n \"serving_size_text\": \"1 stick pack (3.8g)\",\n \"serving_size_g\": 3.8,\n \"servings_per_container\": 30,\n \"net_weight_text\": \"NET WT. 4 oz (114g)\",\n \"net_weight_g\": 114,\n \"unit_count_text\": \"30 STICK PACKS\",\n 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