Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.

OM Mushrooms Master Blend Mushroom Powder – Organic Mushroom…
Checked against public sources on July 26, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
The observed listing says it is tested, but names no lab or certifier. A testing badge without an issuer or report is a marketing claim, not evidence. Ask for the lab name and lot-specific report.
“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 checks, one by one
1 promise needs a closer look.
◐Partly confirmed1
Ingredient research can support context, but it is not a trial of this exact product.
△Claimed without support found1
We found no named, citable study of this product or formula. The claim may rest on ingredient research rather than a trial of this product.
?Couldn’t verify independently1
No named laboratory or lot-specific certificate was found for this exact product. No exact brand product page was available for a document check. 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.
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
The barcode identity checks out · 850011996218.
The barcode matches, so we are checking the right product rather than a look-alike.
Evidence and sources
Open Food Facts resolves 850011996218 to "Master Blend Mushrooms & Adaptogens" (Om) — consistent with this listing.
Locked evidence record →Open the full source-linked findingReviews rose from 227 to 245 between February 25 and July 16, 2026 — no sudden jump.
A count that moves steadily is ordinary. A sudden burst is what deserves a closer look.
Evidence and sources
Written reviews rose from 227 to 245 between February 25 and July 16, 2026. The largest rise inside any single 30-day window was about 10, so the count moved in steps rather than in one burst.
Locked evidence record →Open the full source-linked findingWhat remains open 2
- We have not found a public label filing for this exact product.
- No FDA recall matched this brand in the current search.
These are evidence gaps, not strikes against the product.
Filed address
1395 Park Center Drive, Vista, California 92081, 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 ↗
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.
Price check for this exact product
Amazon
Exact UPC/GTIN match$0.47 per labeled serving
matching UPC/GTIN · checked Jul 26, 2026
View on Amazon ↗iHerb
Exact UPC/GTIN match$0.49 per labeled serving
matching UPC/GTIN · checked Jul 26, 2026
View on iHerb ↗Target
Exact UPC/GTIN match$0.54 per labeled serving
matching UPC/GTIN · checked Jul 26, 2026
View on Target ↗Walmart
Not confirmedWe 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 3 sellers. Amazon was lowest at $38.00; Target was highest at $42.99 — a $4.99 range at check time.
No official brand storefront is confirmed in this record. That is neutral, but it prevents a direct brand-price, label, review, and document check.
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 July 26, 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.