LookCloser.aipublic supplement evidence
Exact product checked · GTIN 00732940942897Rainbow Nutrients, LLC · checked Jul 24, 2026 · on sale since Jul 11, 2022Package says manufactured for: Rainbow Nutrients · le, WA 98188
Quick read · Rainbow Nutrients, LLC

Rainbow Nutrients, Llc Hair + Beard Growth for Men

Checked against public sources between July 24 and September 1, 2026 · LookCloser does not sell or recommend supplements.

120capsules · 60 servings

Does the marketing hold up?

Ingredient amounts are hidden inside “Ultimate Hair + Beard Proprietary Complex”. The panel lists “Ultimate Hair + Beard Proprietary Complex” (300 mg) as a combined amount. A blend total can’t tell you whether any single ingredient reaches a dose used in research.

Is the dose real?Panel read — dose not verified17 ingredients listed; no advertised amount we could confirm against them
What a serving costs$0.50per serving, at the checked price
Is it tested?Claimed — no lab or certificate found
Who’s behind it?No exact match in USPTO
Is it the real thing?Barcode matches outside records
Trouble on record?Recall check not run yeta gap in our records, not a finding about the product

“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 confirmed1△ support not found2? couldn’t verifyno contradictions · no recalls
The label itself

What the Supplement Facts panel says

Serving size Serving Size: 2 Capsules · 60 servings per container

Vitamin A (as Retinyl Palmitate)2,700 mcg
Vitamin C (Ascorbic Acid)100 mg
Vitamin D3 (Cholecalciferol)2.5 mcg
Vitamin E (as D-alpha Tocopheryl Succinate)10 mg
Thiamin (as Thiamin HCI)5 mg
Riboflavin5 mg
Niacin (as Niacinamide)5 mg
Vitamin B6 (as Pyridoxine HCI)5 mg
Folate (as 334mcg Folic Acid)568 mcg DFE
Vitamin B12 (as Cyanocobalamin)20 mcg
Biotin10,000 mcg
Pantothenic Acid (as Calcium Pantothenate)100 mg
Zinc (as Zinc Citrate)15 mg
OptiMSM® Methylsulfonylmethane (MSM)400 mg
Hydrolyzed Bovine Collagen200 mg
Medium Chain Triglycerides100 mg
Ultimate Hair + Beard Proprietary Complex300 mg

Printed on the package: NON GMO INGREDIENTS · LAB TESTED · GMP FACILITY · Non-GMO · MADE WITH · NON · OptiMSM · NON GMO

We read 17 lines from the package photograph. It is our transcript of the label, not the manufacturer’s panel, and it may be incomplete.

Marketing claims, checked

The checks, one by one

1 promise needs a closer look.

Partly confirmed2

“FACILITY”

“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.

Evidence →
“Hair”

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.

Claimed without support found1

“WITH CLINICALLY”

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.

Evidence →

?Couldn’t verify independently2

“IN USA WITH GLOBALLY SOURCED”

“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.

Evidence →
“PARTY CERTIFIED FOR PURITY &”

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.

Evidence →

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 · 732940942897.

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 “Hair + Beard Growth for Men” (variant: Default Title) — identity confirmed across retailer listings.

Locked evidence record →Open the full source-linked finding
What remains open 4
  • 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.
  • Brand ownership is not settled in this record.

These are evidence gaps, not strikes against the product.

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
$29.95

19 ratings

$0.50 per labeled serving

matching UPC/GTIN · checked Jul 24, 2026

View on Brand website ↗

Amazon

Exact UPC/GTIN match
$29.95

$0.50 per labeled serving

matching UPC/GTIN · checked Aug 29, 2026

View on Amazon ↗

iHerb

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 iHerb ↗

Target

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 Target ↗

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 2 sellers at the same price 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.

Read / share full evidence →

Record built September 03, 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.