Checked against public sources on July 25, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
FDA recall appears in this brand's history An exact-product recall is a direct signal. A different product from the same firm is company context, not a strike against this item.
“Couldn’t verify” means we looked and found no public proof — not a mark against the product. Most supplement claims cannot be independently verified by anyone, so grey is the normal state of this industry.
The public sources did not settle the marketing promises on this label.
Published research exists for ingredients in this formula — see Related research below. Whether this product’s doses match those studies could not be confirmed.
Ingredient research can support context, but it is not a trial of this exact product.
Headlines first. Open evidence only when you want the source trail.
An exact-product recall is a direct signal. A different product from the same firm is company context, not a strike against this item.
Brand-level context only, not a finding about this product. Pharmavite recalled a different or not-exactly-bound product on 2016-06-06: “Specific lots of Nature Made(R) Vitamin D tablets may exceed specifications for yeast/mold.” (status: Terminated). The recalled product was: “N…
Locked evidence record →Open the full source-linked findingThe public ownership record is ambiguous. We show the exact candidates instead of choosing one by name similarity.
USPTO returned multiple live supplement-class records for the exact brand wordmark: PHARMAVITE LLC, PHARMAVITE CORPORATION. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.
Locked evidence record →Open the full source-linked findingThe barcode matches, so we are checking the right product rather than a look-alike.
UPCitemdb resolves 031604032593 to "Nature Made High Absorption Magnesium Glycinate 200 mg Supports Muscle Relaxati" (Nature Made) — consistent with this listing.
Locked evidence record →Open the full source-linked findingGradual growth is more ordinary. A sudden burst deserves a closer look.
Written reviews grew from 299 to 336 across 2026-02-10 – 2026-07-14 with no single manufactured spike (largest 30-day gain ~12).
Locked evidence record →Open the full source-linked findingThese are evidence gaps, not strikes against the product.
These are the USPTO records behind the brand name. We show them all rather than choosing one by similarity.
CALIFORNIA, USA · Registration 3520080
8531 Fallbrook Avenue, West Hills, CALIFORNIA 91304, UNITED STATES
IC 005: dietary supplements.
CALIFORNIA, USA · Registration 1963505
8510 BALBOA BLVD., NORTHRIDGE, CALIFORNIA 91325, UNITED STATES
IC 005: vitamins, minerals and dietary supplements.
This answers who owns registrations for the brand wordmark. It does not by itself prove which entity made, imported, or sold this specific product. Open USPTO source ↗
The label amount is shown beside the ranges used in the linked ingredient studies.
200 mg per serving — within the 200–420 mg/day used in the linked studies.
$0.36 per labeled serving
matching UPC/GTIN · checked Jul 25, 2026
View on Amazon ↗Official shopping lead; excluded from exact price comparisons.
High Absorption Magnesium Glycinate Capsules 200 mg · 60. Confirm the package UPC/GTIN before buying.
Check brand website ↗Search results remain not linked to this exact product until this retailer publishes the matching UPC/GTIN.
Search iHerb ↗Search results remain not linked to this exact product until this retailer publishes the matching UPC/GTIN.
Search Target ↗Search results remain not linked to this exact product until this retailer publishes the matching UPC/GTIN.
Search Walmart ↗Only one exact price was available at build time; prices change by date, seller, and promotion.
The brand-page price is shown as a shopping lead only. It is excluded from the exact-product price difference because the page does not publish this record's matching UPC/GTIN.
The observed listing and related brand page repeat 200 mg. That confirms cross-page consistency of the published claim, not the product contents.
Reference prices only · no affiliate links · every compared seller must publish the matching UPC/GTIN.
The full report shows every source, the exact unresolved question, and the documentation that would settle it.
Record built July 25, 2026. Sources: source listing observed at check time · USPTO Trademark Search · Keepa exact-listing history · NIH / published research · certification and regulator records where available. LookCloser publishes evidence and gaps; it does not advise for or against any supplement. Evidence-based corrections welcome.