full reportFull record · lc-b6fd7cef · back to the summary
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What this is. We compare what a listing claims against what public records show — label arithmetic, barcode registries, NIH’s label catalog, FDA enforcement data, certification registries, and published research. Every statement below traces to one of those.
What the states mean. Confirmed = an outside source agrees. Contradicted = an outside source disagrees. Caution = something needs explaining. No data = we looked and found nothing — a gap, not a strike.
What it is not. A clean record is not an endorsement and never proof a product works. A thin record is not an accusation. We publish evidence and gaps; the conclusion is yours. Nothing here is medical advice.
Something wrong? Every figure is meant to be checkable — sources are named and linked. Send a correction and we’ll fix the record.
The listing-image panel publishes an amount for each of its 25 listed rows. That supports ingredient-by-ingredient review; it does not verify the contents.
| Panel row | Amount | %DV | What to notice |
|---|---|---|---|
| Calories | 10 | — | |
| Total Carbohydrate | 4 g | — | |
| Total Sugars | 4 g | — | |
| Includes Og Added Sugars | 0 % | — | |
| Sugar Alcohol | 4 g | — | |
| Vitamin A (as Retinyl Palmitate) | 1,200 mcg | — | |
| Vitamin C (as Ascorbic Acid) | 20 mg | — | |
| Vitamin D3 (as Cholecalciferol) | 2.5 mcg | — | |
| Vitamin E (d-Alpha Tocopherol) | 10 mg | — | |
| Vitamin B1 (as Thiamine) | 5 mg | — | |
| Vitamin B2 (as Riboflavin) | 5 mg | — | |
| Vitamin B3 (as Niacin) | 5 mg | — | |
| Vitamin B6 (as Pyridoxine HCI) | 5 mg | — | |
| Folate | 200 mcg DFE 120 mcg folic acid | — | |
| Vitamin B12 (as Methylcobalamin) | 20 mcg | — | |
| Biotin (Vitamin B7) | 10,000 mcg | — | |
| Vitamin B5 (as Pantothenic Acid) | 50 mg | — | |
| Zinc (as Zinc Citrate) | 2.7 mg | — | |
| Collagen (I, II & III Types) | 150 mg | — | |
| Hyaluronic Acid | 100 mg | — | |
| MSM (as Methylsulfonylmetane) | 100 mg | — | |
| Keratin | 50 mg | — | |
| Horsetail Extract | 10 mg | — | |
| Nettle Extract | 10 mg | — | |
| Saw Palmetto Extract | 10 mg | — |
FDA rules (21 CFR 101.36) require the amount of each dietary ingredient per serving unless hidden in a listed “proprietary blend” (legal, but a transparency yellow flag). A label stating no amount at all is non-compliant — a checkable red flag. This panel states amounts; the open question is whether those listed amounts are independently verified and how they compare with relevant research.
vision:google/gemini-2.5-flash Amounts are shown as listed panel data, not independently lab-tested contents.
Every check we ran
Confirmed evidence
These checks found support in the public record. They confirm specific facts, not the product as a whole.
USPTO lists NUTRA HARMONY LLC (LIMITED LIABILITY COMPANY) in Wyoming, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.
Written reviews rose from 52 to 408 between July 31, 2025 and August 18, 2026. The largest rise inside any single 30-day window was about 57, so the count moved in steps rather than in one burst.
Documented concerns
These are documented contradictions or claims that need more evidence. They are separate from missing data.
label claims 150 mg/serving — below the range commonly used in research (trials use 2.5–15 g/day of hydrolyzed peptides). A lower dose is not necessarily useless — but it is not the amount the research used. Sources: PubMed search: collagen peptide supplementation trial, WebMD search: collagen.
Unresolved public record
We looked for these signals but could not settle them from public sources. A gap is not a strike.
We read the full Supplement Facts panel from the listing-image panel (below), but the label doesn’t state a serving weight, so the arithmetic can’t run. A gap in the label’s information, not evidence of a problem.
Published sources describe how collagen peptides, zinc have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: PubMed search: collagen peptide supplementation trial, WebMD search: collagen.
The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.
Exact-listing history records written-review counts from 54 on 2025-07-28 to 408 on 2026-08-18 (net +354). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.
What to ask and check
Ask the brand or seller
What is the product’s UPC or GTIN?
The barcode is how a product gets matched to outside records — certification registries, label databases, recall data. Without it, almost nothing can be cross-checked.
Is this label filed with NIH’s Dietary Supplement Label Database (DSLD)?
Filing is voluntary, so absence proves nothing — but a filed label puts the full ingredient table on public record where anyone can read it.
Why is the collagen peptides amount below the dose used in published research?
There can be good answers — a more bioavailable form, a different intended use. Ask for the reasoning and any data behind it.
Most brands and sellers publish a contact route. A clear answer adds evidence to the record; no answer leaves the question open.
Check for yourself — no one’s permission needed
Compare the panel on the bottle in your hand to the one shown in this record.
Ours was read from listing photos and can contain reading errors. The physical label is the source of truth — if they disagree, tell us and we’ll correct the record.
Check the lot number and expiry on the bottle against any COA you’re given.
A certificate that doesn’t name your lot doesn’t describe what you’re holding.
These are the open questions on this specific record — not a warning about the product, and not a suggestion to buy or avoid it. Getting them answered is how you decide for yourself.
What the listing promises — claim by claim
| Claim | Status | What we found |
|---|---|---|
| Manufacturing claim “…GMP COMPLIANT MANUFACTURING PRACTICE…” | Partly supported We looked for: the facility registration or certificate behind the claim | “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. |
| Benefit claim “Biotin Gummies for Hair Growth Support - for Women & Men - Berry, 60 Gummy…” | Partly supported We looked for: whether the ingredient doses on the label match the doses used in published research | Ingredient evidence exists; on dose: label claims 150 mg/serving — below the range commonly used in research (trials use 2.5–15 g/day of hydrolyzed peptides). |
“No evidence located” does not mean a claim is false — it means the seller has not put evidence proportionate to the claim on the public record, and we could not find any. Absence of proof is not proof of absence.
This label vs. the doses studied
| Ingredient | Where this label sits | Reading |
|---|---|---|
| Collagen (I, II & III Types) | shaded = doses used in studies (2.5 g–15 g) · bar = this label | 150 mg — below the studied range |
| Zinc (as Zinc Citrate) | shaded = doses used in studies (8 mg–40 mg) · bar = this label | 2.7 mg — below the studied range |
Matching a studied dose does not mean the product works, and missing it does not mean it fails — it shows whether the label and the research are talking about the same amounts. Not a recommendation to take any amount.
Documented cautions
Statements from published sources about these ingredients — not advice about this product, and not a complete safety review. Anyone taking medication should talk to a pharmacist or clinician.
Verifiability profile — 2 of 6 public signals
What this listing gives the public to check. Publishing these signals doesn't prove quality — but withholding them means claims can only be taken on faith.
Identity
| LookCloser record ID | lc-b6fd7cef (internal — no barcode published, which limits cross-checking) |
| Brand | NUTRAHARMONY |
| Source listing identifier | B0DPMZFJ58 |
| Retailer listing title | Biotin Gummies for Hair Growth Support - for Women & Men - Berry, 60 G… show full titleBiotin Gummies for Hair Growth Support - for Women & Men - Berry, 60 Gummy |
| USPTO brand owner | NUTRA HARMONY LLC · LIMITED LIABILITY COMPANY · Wyoming, USA |
| Owner filed address | 312 W 2nd St, Office 5161, CASPER, Wyoming 82601, UNITED STATES |
From the label (photo-read)
| Serving size | 2 Gummies |
| Servings per container | 30 |
| Pack statement | 60 GUMMIES |
| Badges printed on pack | SUGAR-FREE, SUGAR FREE, NON-GMO, EFFECTIVE, GLUTEN-FREE, GMO-FREE, GMP COMPLIANT MANUFACTURING PRACTICE, ISO, MIX BERRY FLAVOR, GOOD MANUFACTURING PRACTICE, GMP COMPLIANT |
Supplement Facts panel (photo-read):
| Ingredient | Amount per serving | Reading confidence |
|---|---|---|
| Calories | 10 | High clearly legible in the photo |
| Total Carbohydrate | 4 g | High clearly legible in the photo |
| Total Sugars | 4 g | High clearly legible in the photo |
| Includes Og Added Sugars | 0 % | High clearly legible in the photo |
| Sugar Alcohol | 4 g | High clearly legible in the photo |
| Vitamin A (as Retinyl Palmitate) | 1,200 mcg | High clearly legible in the photo |
| Vitamin C (as Ascorbic Acid) | 20 mg | High clearly legible in the photo |
| Vitamin D3 (as Cholecalciferol) | 2.5 mcg | High clearly legible in the photo |
| Vitamin E (d-Alpha Tocopherol) | 10 mg | High clearly legible in the photo |
| Vitamin B1 (as Thiamine) | 5 mg | High clearly legible in the photo |
| Vitamin B2 (as Riboflavin) | 5 mg | High clearly legible in the photo |
| Vitamin B3 (as Niacin) | 5 mg | High clearly legible in the photo |
| Vitamin B6 (as Pyridoxine HCI) | 5 mg | High clearly legible in the photo |
| Folate | 200 mcg DFE 120 mcg folic acid | High clearly legible in the photo |
| Vitamin B12 (as Methylcobalamin) | 20 mcg | High clearly legible in the photo |
| Biotin (Vitamin B7) | 10,000 mcg | High clearly legible in the photo |
| Vitamin B5 (as Pantothenic Acid) | 50 mg | High clearly legible in the photo |
| Zinc (as Zinc Citrate) | 2.7 mg | High clearly legible in the photo |
| Collagen (I, II & III Types) | 150 mg | High clearly legible in the photo |
| Hyaluronic Acid | 100 mg | High clearly legible in the photo |
| MSM (as Methylsulfonylmetane) | 100 mg | High clearly legible in the photo |
| Keratin | 50 mg | High clearly legible in the photo |
| Horsetail Extract | 10 mg | High clearly legible in the photo |
| Nettle Extract | 10 mg | High clearly legible in the photo |
| Saw Palmetto Extract | 10 mg | High clearly legible in the photo |
Claims printed on the packaging:
“HAIR VITAMINS*” · “BIOTIN 10,000 MCG PER SERVING” · “COLLAGEN 150 MG PER SERVING” · “KERATIN” · “NETTLE EXTRACT” · “B-COMPLEX” · “GIVE YOUR BODY WHAT IT NEEDS” · “HEALTHY HAIR”
Read by a vision model from 8 listing photos — verbatim extraction; OCR errors possible. Spot a mistake? It will be corrected on review.
Where it sells
We found a brand storefront, but we could not match any price on it to this exact product when we checked.
Brand store nutraharmony.com: 47 supplement products (+21 merch items) — for comparison, single-focus brands typically carry 5–30 products; very broad catalogs are common among companies that rebrand ready-made formulas — a pattern note, not a verdict.
Reference links for identification only — LookCloser has no affiliate relationships and earns nothing from any link on this page.
Ingredient science — NIH references
Vitamin A — NIH ODS · MedlinePlus · PubMed (10,699) · UL 3000 mcg (preformed vitamin A (retinol); excludes beta-carotene)
Vitamin C — NIH ODS · MedlinePlus · PubMed (11,019) · UL 2000 mg (total intake, adults)
Vitamin D — NIH ODS · MedlinePlus · PubMed (26,500) · UL 100 mcg (adults; 100 mcg = 4,000 IU)
Vitamin E — NIH ODS · MedlinePlus · PubMed (12,326) · UL 1000 mg (supplemental alpha-tocopherol, adults)
Thiamin — NIH ODS · MedlinePlus · PubMed (1,262) · no UL established
Riboflavin — NIH ODS · MedlinePlus · PubMed (3,172) · no UL established
Niacin — NIH ODS · MedlinePlus · PubMed (2,689) · UL 35 mg (supplemental/added niacin, adults)
Vitamin B6 — NIH ODS · MedlinePlus · PubMed (2,372) · UL 100 mg (adults; chronic high intake linked to neuropathy)
Folate — NIH ODS · MedlinePlus · PubMed (10,628) · UL 1000 mcg (synthetic folic acid from supplements/fortified food)
Vitamin B12 — NIH ODS · MedlinePlus · PubMed (5,006) · no UL established
Biotin — NIH ODS · MedlinePlus · PubMed (1,606) · no UL; high doses interfere with lab tests
Pantothenic Acid — NIH ODS · MedlinePlus · PubMed (601) · no UL established
Zinc — NIH ODS · MedlinePlus · PubMed (19,708) · UL 40 mg (adults, from all sources)
Reference data from the NIH Office of Dietary Supplements, IOM Dietary Reference Intakes, and PubMed. A Tolerable Upper Intake Level is a documented reference figure, not a safety verdict — both the listed amount and the reference are shown for your own judgment. LookCloser gives no medical advice.
Related research & consistency
collagen peptides — PubMed search: collagen peptide supplementation trial · WebMD search: collagen · ClinicalTrials.gov — 587 registered studies
ℹ Dosage: label claims 150 mg/serving — below the range commonly used in research (trials use 2.5–15 g/day of hydrolyzed peptides).
ℹ Use pattern in research: daily oral use over 8+ weeks in studies.
zinc — NIH ODS — Zinc fact sheet · PubMed search: zinc supplementation trial · ClinicalTrials.gov — 1,598 registered studies
ℹ Use pattern in research: daily oral use; sustained high intakes can interfere with copper absorption — a documented interaction, not advice.
These notes state where label numbers and marketing framing sit relative to published research — documentation for your own judgment, not medical advice. LookCloser does not advise for or against taking any supplement.
Record lc-b6fd7cef · built September 03, 2026 · lookcloser.ai · corrections@lookcloser.ai