full reportFull record · 810053630181 · back to the summary
Free to read, download and share — no signup, no paywall, no ads.
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 12 separately ingredients with amounts and 1 combined blend total. Ingredients inside a blend do not have separate amounts.
| Panel row | Amount | %DV | What to notice |
|---|---|---|---|
| Vitamin A (as Retinyl Palmitate) | 1200 mcg | — | |
| Vitamin D3 (as Cholecalciferol) | 2.5 mcg | — | |
| Thiamin (as Thiamine HCL) | 5 mg | — | |
| Riboflavin | 5 mg | — | |
| Niacin (as Niacinamide) | 5 mg | — | |
| Vitamin B6 (as Pyridoxine HCl) | 5 mg | — | |
| Folate (as Calcium L-5-Methyltetrohydrofolate) | 340 mcg DFE | — | |
| Vitamin B12 (as Methylcobalamin) | 20 mcg | — | |
| Biotin | 5000 mcg | — | |
| Pantothenic Aid (as D-Calcium Pantothenate) | 50 mg | — | |
| Calcium (as Tricalcium Phosphate) | 80 mg | — | |
| Phosphorus (as Tricalcium Phosphate) | 40 mg | — | |
| Proprietary Blend | 720 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 Gurin Products, LLC (LIMITED LIABILITY COMPANY) in CALIFORNIA, USA; WASHINGTON, 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.
Documented concerns
These are documented contradictions or claims that need more evidence. They are separate from missing data.
Unresolved public record
We looked for these signals but could not settle them from public sources. A gap is not a strike.
The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is saved, so the claim cannot be verified as stated. NSF, IFOS, USP, and Informed-Sport were not checked in this record.
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.
We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.
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 459 on 2025-08-01 to 671 on 2026-09-01 (net +212). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.
The package says manufactured for: Fresh Leaf Nutrition, 2522 Chambers Rd, Suite 100 Tustin, CA-92780. USPTO names Gurin Products, LLC as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the saved records do not establish the relationship.
Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.
What to ask and check
Ask the brand or seller
Can you send the certificate of analysis (COA) for the lot number on my bottle?
A real COA names the testing laboratory, the test date, the lot it covers, and what was measured. “Third-party tested” with no document behind it is a marketing sentence.
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.
Where are the ingredients sourced, and where is the product manufactured?
“Made in USA” can describe only the final bottling step. Ask which country the actives came from and whether the facility is audited.
What is the amount of each ingredient inside the proprietary blend?
A blend total tells you nothing about whether any single ingredient reaches a dose used in research. Brands may decline — that answer is informative too.
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.
Scan the barcode on the package and confirm it reads 810053630181.
A mismatch between the barcode on the box and the one on the listing is worth pausing over — it can indicate a different variant, a repack, or a counterfeit.
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 |
|---|---|---|
| Quality-testing claim “VITBOOST Biotin with Hyaluronic Acid, Collagen and Keratin – 25000 mcg Hair Growth Vitamins for Men and Women – Nails and Skin, USA Made - Third Party Tested, B1, B2, B3,” | Claimed, not verifiable We looked for: the observed listing, saved brand product page, any linked COA or test report; NSF, IFOS, USP, Informed-Sport were not queried | 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. |
| Manufacturing claim “…GMP CERTIFIED…” | 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. |
| Origin claim “…Made In USA!…” | Claimed, not verifiable We looked for: customs records or label filings showing where ingredients were sourced and where it was made | “Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product. |
| Benefit claim “…Thicker, Fuller, Healthier Hair, Stronger Nails & Softer Skin – Taken regularly, biotin with Hyaluronic acid can also help strengthen hair at the root which improves str” | Not checked yet We looked for: whether the ingredient doses on the label match the doses used in published research | Ingredient-level evidence for this formula isn’t in our knowledge base yet. Recorded as not checked yet — not as a negative. |
“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.
Verifiability profile — 3 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
| UPC (barcode) — also our record ID | 810053630181 |
| Brand | VITBOOST |
| Source listing identifier | B0CF9Y1DM6 |
| Retailer listing title | VITBOOST Biotin with Hyaluronic Acid, Collagen and Keratin – 25000 mcg… show full titleVITBOOST Biotin with Hyaluronic Acid, Collagen and Keratin – 25000 mcg Hair Growth Vitamins for Men and Women – Nails and Skin, USA Made - Third Party Tested, B1, B2, B3, B6, B7 Complex - 60 Capsules |
| USPTO brand owner | Gurin Products, LLC · LIMITED LIABILITY COMPANY · CALIFORNIA, USA; WASHINGTON, USA |
| Owner filed address | 2522 Chambers Rd, Suite 100, Tustin, CALIFORNIA 92780, UNITED STATES |
From the label (photo-read)
| Serving size | 2 Capsules |
| Servings per container | 30 |
| Pack statement | 60 CAPSULE |
| Badges printed on pack | MADE IN USA, GLUTEN FREE, GMP CERTIFIED, NON GMO, DYES FREE, PEANUTS FREE, SUGAR FREE, THIRD PARTY LAB TESTED, NON-GMO |
Supplement Facts panel (photo-read):
| Ingredient | Amount per serving | Reading confidence |
|---|---|---|
| Vitamin A (as Retinyl Palmitate) | 1200 mcg | High clearly legible in the photo |
| Vitamin D3 (as Cholecalciferol) | 2.5 mcg | High clearly legible in the photo |
| Thiamin (as Thiamine HCL) | 5 mg | High clearly legible in the photo |
| Riboflavin | 5 mg | High clearly legible in the photo |
| Niacin (as Niacinamide) | 5 mg | High clearly legible in the photo |
| Vitamin B6 (as Pyridoxine HCl) | 5 mg | High clearly legible in the photo |
| Folate (as Calcium L-5-Methyltetrohydrofolate) | 340 mcg DFE | High clearly legible in the photo |
| Vitamin B12 (as Methylcobalamin) | 20 mcg | High clearly legible in the photo |
| Biotin | 5000 mcg | High clearly legible in the photo |
| Pantothenic Aid (as D-Calcium Pantothenate) | 50 mg | High clearly legible in the photo |
| Calcium (as Tricalcium Phosphate) | 80 mg | High clearly legible in the photo |
| Phosphorus (as Tricalcium Phosphate) | 40 mg | High clearly legible in the photo |
| Proprietary Blend | 720 mg | High clearly legible in the photo |
Claims printed on the packaging:
“STRONG NAILS*” · “HEALTHY HAIR*” · “RADIANT SKIN*” · “BEAUTY COMPLEX+” · “DIETARY SUPPLEMENT” · “HEALTHY LIVING WITH BIOTIN” · “EVERYDAY WELLNESS SUPPORT” · “NATURAL BEAUTY*”
Read by a vision model from 8 listing photos — verbatim extraction; OCR errors possible. Spot a mistake? It will be corrected on review.
Ingredient science
No knowledge-base entry yet for this formula's active ingredients — entries are added as the KB grows. Absence of a science card is a coverage gap, not a judgment.
Ingredient science — NIH references
Vitamin A — NIH ODS · MedlinePlus · PubMed (10,699) · UL 3000 mcg (preformed vitamin A (retinol); excludes beta-carotene)
Vitamin D — NIH ODS · MedlinePlus · PubMed (26,500) · UL 100 mcg (adults; 100 mcg = 4,000 IU)
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
Calcium — NIH ODS · MedlinePlus · PubMed (48,938) · UL 2500 mg (adults 19-50 (2,000 mg for 51+))
Phosphorus — NIH ODS · MedlinePlus · PubMed (13,233) · UL 4000 mg (adults 19-70)
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.
Record 810053630181 · built September 03, 2026 · lookcloser.ai · corrections@lookcloser.ai