LookCloser.aipublic supplement evidence
Exact product checked · GTIN 00631656716726Six Star · checked Jul 26, 2026 · on sale since Feb 20, 2022🇨🇦 USPTO wordmark owner · SIX STAR US TRADEMARK LTD. · CANADA
Quick read · Six Star

Six Star Whey Protein Powder Plus

Checked against public sources on July 26, 2026 · LookCloser does not sell or recommend supplements.

Does the marketing hold up?

The barcode identity checks out · 631656716726. The barcode matches, so we are checking the right product rather than a look-alike.

Is the dose real?Panel read — dose not verified17 ingredients listed; no advertised amount we could confirm against them
What a serving costs$1.61per serving, at the checked price
Is it tested?No testing claim made
Who’s behind it?🇨🇦SIX STAR US TRADEMARK LTD.corporation · CANADA
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.

1◖ partly confirmedno contradictions · no recalls
Marketing claims, checked

The checks, one by one

The public sources did not settle the marketing promises on this label.

Partly confirmed1

“Triple Chocolate flavor. 18 servings. Enhance Muscle Building & Recovery: Each serving”

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

Evidence →

Ingredient research can support context, but it is not a trial of this exact product.

Quick read · 2 useful findings

What is worth knowing.

Headlines first. Open evidence only when you want the source trail.

Checks outWho is behind it?

The barcode identity checks out · 631656716726.

The barcode matches, so we are checking the right product rather than a look-alike.

Evidence and sources

Open Food Facts resolves 631656716726 to "100% Whey Protein" (Sixstar) — consistent with this listing.

Locked evidence record →Open the full source-linked finding
Checks outCan you trust the review pattern?

Reviews rose from 369 to 478 between February 16 and July 23, 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 369 to 478 between February 16 and July 23, 2026. The largest rise inside any single 30-day window was about 28, so the count moved in steps rather than in one burst.

Locked evidence record →Open the full source-linked finding
What 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.

Who owns the brand wordmark?
🇨🇦
SIX STAR US TRADEMARK LTD.Corporation · exact supplement-class mark for SIX STAR
Registration3141261
Registered2006-09-12
AssignmentsYes

Filed address
5100 SPECTRUM WAY, MISSISSAUGA, ONTARIO, L4W 5S2, CANADA

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

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.

Background reading

What the research says about these amounts

Not a score. Studies disagree with each other and change over time, so this sits beside the evidence rather than counting toward it — it is here so you can read the sources yourself.

The panel lists 11 mg of zinc per serving. Studies we found used 8 mg–40 mg a day, so this sits inside that range.

0studied 8 mg–40 mg

Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.

Where it sells

Price check for this exact product

Amazon

Exact UPC/GTIN match
$28.99

$1.61 per labeled serving

matching UPC/GTIN · checked Jul 26, 2026

View on Amazon ↗

Target

Exact UPC/GTIN match
$28.99

4.5/5 · 231 ratings

$1.61 per labeled serving

matching UPC/GTIN · checked Jul 26, 2026

View on Target ↗

iHerb

Exact UPC/GTIN match
$29.17

4.7/5 · 333 ratings

$1.62 per labeled serving

matching UPC/GTIN · checked Jul 26, 2026

View on iHerb ↗

Walmart

Not confirmed
No 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 3 sellers. Amazon was lowest at $28.99; iHerb was highest at $29.17 — a $0.18 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 the complete evidence trail?

The summary stops at product-specific facts. The full report preserves every source, calculation, limitation, and unresolved check for review or sharing.

Read / share full evidence →

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.