“Certified”
Evidence →“GMP-certified” describes factory processes, not what is in the bottle. The claim does not name a certifier or public register that a shopper can check.
Exact product checked · GTIN 00199874418087THEREXA · checked Jul 29, 2026 · on sale since Jul 14, 2026🌍 USPTO wordmark owner · Doan Khanh Huy · Viet NamPackage says distributed by: Therexa Institute · 2093 PHILADELPHIA PIKE #5763 CLAYMONT, DE 19703
Quick read · THEREXA
Therexa Probiotics 90 Billion CFU
Checked against public sources between July 27 and July 29, 2026 · LookCloser does not sell or recommend supplements.
120capsules
120servings per container
Does the marketing hold up?
Package and trademark records name different responsible entities. The package says distributed by: Therexa Institute, 2093 PHILADELPHIA PIKE #5763 CLAYMONT, DE 19703. USPTO names Doan Khanh Huy as the exact wordmark owner. …
Is the dose real?Can’t check — no panel filed
What a serving costs$0.17per serving, at the checked price
Is it tested?Claimed — no lab or certificate found
Who’s behind it?🌍Doan Khanh Huyindividual · Viet Nam
Is it the real thing?✓Barcode matches outside records
Trouble on record?✓No recalls found
“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.
2◖ partly confirmed2? couldn’t verifyno contradictions · no recalls
Marketing claims, checked
The checks, one by one
The public sources did not settle the marketing promises on this label.
◐Partly confirmed2
“HPMC enteric-coated capsule is designed to protect live probiotics through stomach acid and release them in the small intestine where they support…”
Evidence →Published research exists for ingredients in this formula. 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.
?Couldn’t verify independently2
“IN USA”
Evidence →“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.
“TESTED”
Evidence →No named laboratory or lot-specific certificate was found for this exact product. The exact brand page names no testing issuer and links no product-bound report. NSF, IFOS, USP, and Informed-Sport were not checked in this record. This is a public-evidence limit, not a finding that testing did not occur.
We looked and found no public proof. That does not count against the product.
Quick read · 1 useful finding
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
CheckedWho is behind it?
The barcode identity checks out · 199874418087.
The barcode matches, so we are checking the right product rather than a look-alike.
Evidence and sources
The brand's store lists this exact barcode as “Probiotics 90 Billion CFU - 5-in-1 with Prebiotics, Postbiotics & Enzymes” (variant: Default Title) — identity confirmed across retailer listings.
Locked evidence record →Open the full source-linked findingWhat remains open 4
- 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.
These are evidence gaps, not strikes against the product.
Who owns the brand wordmark?
🌍
Doan Khanh HuyIndividual · exact supplement-class mark for THEREXA
Show the exact filed address in the full report
135/17/66 Nguyen Huu Canh Street, 22 Ward, Binh Thanh District, Hochiminh, 700000, VIET NAMUSPTO 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
We could not match an amount on this product to a studied range for the same ingredient, so these links are ingredient background rather than a measurement of this product.
Where it sells
Price check for this exact product
Brand website
Exact UPC/GTIN match$19.99
$0.17 per labeled serving
matching UPC/GTIN · checked Jul 29, 2026
View on Brand website ↗Amazon
Exact UPC/GTIN match$22.99
$0.19 per labeled serving
matching UPC/GTIN · checked Jul 29, 2026
View on Amazon ↗iHerb
Not confirmedNo exact listing saved
We only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search iHerb ↗Target
Not confirmedNo exact listing saved
We only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search Target ↗Walmart
Not confirmedNo exact listing saved
We only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search Walmart ↗Same UPC/GTIN observed across 2 sellers. Brand website was lowest at $19.99; Amazon was highest at $22.99 — a $3.00 range at check time.
Reference prices only · no affiliate links · every compared seller must publish the matching UPC/GTIN.
Want to inspect the evidence?
The full report shows every source, the exact unresolved question, and the documentation that would settle it.
Record built August 02, 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.