Exact product checked · barcode not publishedSports Research · checked Jul 25, 2026🇺🇸 USPTO wordmark owner · Sports Research Corporation · CALIFORNIA, USA
Quick read · Sports Research
Sports Research® Magnesium Glycinate 160mg
Checked against public sources on July 25, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
🇺🇸 Brand owner: Sports Research Corporation · corporation, CALIFORNIA, USA This tells you who is behind the brand and where the trademark record points. It does not by itself identify the manufacturer.
Is the dose real?Can’t check — no panel filed
What a serving costsNo exact-match price found
Is it tested?No testing claim made
Who’s behind it?🇺🇸Sports Research Corporationcorporation · CALIFORNIA, USA
Is it the real thing?No barcode publishedso it can’t be matched against certification, recall or other retailer records
Trouble on record?✓No recalls found
Quick read · 1 useful finding
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
Checks outCan you trust the review pattern?
Reviews grew steadily — about 20 between February 22, 2026 to June 30, 2026, with no sudden spike.
Gradual growth is more ordinary. A sudden burst deserves a closer look.
Evidence and sources
Written reviews grew from 55 to 74 across 2026-03-08 – 2026-06-30 with no single manufactured spike (largest 30-day gain ~6).
Sports Research CorporationCorporation · exact supplement-class mark for SPORTS RESEARCH
Registration5516811
Registered2018-07-17
AssignmentsNo transfers recorded
Filed address 784 W. Channel St., San Pedro, California 90731, UNITED STATES
USPTO identifies the public owner or applicant behind this brand wordmark. This does not by itself identify the product manufacturer or prove where the product was made. Open USPTO source ↗
Research behind the findings
Dose and research context
The product amount is not available, so these links provide ingredient context only.
Prices and stock are point-in-time observations. Related pages are never used as product evidence. No affiliate links; LookCloser earns nothing from these sellers.
Want to inspect the evidence?
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.