Home/ Supplements/ Vitamin A/ Hair, Skin & Nails Formula

Hair, Skin & Nails Formula

product on market Other (e.g. tea bag) GNC Women's Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 46% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains vitamins A, C, D, E, and thiamine, which are supported by strong evidence for maintaining skin integrity and cellular health. These nutrients act as antioxidants and essential cofactors in collagen synthesis. However, the overall evidence coverage for this specific ingredient profile is limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Hair, Skin & Nails Formula
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Caplet(s)
Serving Size
60
Servings
Other Combinations
Product Type
46%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
5000 IU (100% DV)
Vitamin C
120 mg (200% DV)
200 IU (50% DV)
Within RDA (0.3× RDA) 608 studies (A:16, B:251)
30 IU (100% DV)
1.3× RDA — within safe limits 179 studies (A:3, B:90)
1.5 mg (100% DV)
1.2× RDA — within safe limits 76 studies (A:0, B:33)
1.7 mg (100% DV)
1.3× RDA — within safe limits 13 studies (A:0, B:1)
20 mg (100% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
200 mcg (50% DV)
Within RDA (0.5× RDA) 226 studies (A:10, B:105)
3000 mcg (1000% DV)
100.0× RDA — above typical dose 27 studies (A:0, B:11)
13.5 mg (135% DV)
2.7× RDA — within safe limits 2 studies — no high-quality reviews
Calcium
200 mg (20% DV)
100 mg (10% DV)
Within RDA (0.1× RDA) 13 studies (A:0, B:3)
15 mg (100% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
L-Cysteine
200 mg
MSM
100 mg
Market median: 1000.0mg (2 products)
hydrolyzed Gelatin
100 mg
50 mg
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews
Market median: 200.0mg (198 products) 6 studies — no high-quality reviews
DMAE
10 mg
Market median: 260.0mg (249 products) 158 studies (A:4, B:61)
Horsetail
3 mg
1 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
Pantesin Pantethine
1500 mcg
500 mcg
Market median: 10.0mg (105 products) 2 studies (A:0, B:1)

Other Ingredients

Cellulose Titanium Dioxide Vegetable Acetoglycerides natural Vanilla flavor Chlorophyll Sucralose
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take two caplets daily with food.

Warnings & Precautions

CONTAINS: Fish and Soybeans.

WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Discontinue use two weeks prior to surgery.

KEEP OUT OF REACH OF CHILDREN.

Formulation Notes

Each serving features 3,000 mcg of biotin.

- 3,000 mcg of biotin to support healthy hair, skin and nails - Lutein for healthy skin hydration - Gelatin and amino acids for strong, healthy nails - Antioxidants to fight cell aging

CONTAINS: Fish and Soybeans.

No Artificial Colors, No Artificial Flavors, No Wheat, No Gluten, No Dairy, Yeast Free.

WOMEN'S HAIR, SKIN & NAILS FORMULA

Additional Information

GNC QUALITY COMMITMENT For more than 75 years, GNC has been the leader in the development and manufacture of dietary supplements and is committed to producing the most superior products. We use only the highest quality ingredients manufactured under the strictest quality controls. Every raw material used is tested to ensure its purity and potency. Each product is dated and then shipped immediately to our stores to our stores to ensure that you are purchasing the freshest supplements available.

GNC GUARANTEE If you are not 100% completely satisfied, return the unused portion of the product with your receipt to a GNC store within 30 days. Our trained sales staff will either refund your purchase price or, if you prefer, assist you in finding a replacement product to help you LIVE WELL.

{recycle} Please recycle this box.

GNC Hair, Skin & Nails Formula is a specialty nutritional formula scientifically designed to promote beauty from the inside out. Adequate intake of essential nutrients such as biotin, lutein, and amino acids, along with important antioxidants, helps support beautiful hair, skin and nails. Biotin - Supports normal cell growth in the hair, skin and nails matrix. Biotin is an essential vitamin known to promote beautiful hair, skin and nails.

CODE 297722 ANG

Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Pantesin(R)

Store in a cool, dry place.

{QR Code} SCAN & LEARN MORE

ACTUAL SIZE

SUPPORTS BEAUTY FROM WITHIN

Lutein - Helps support skin hydration. Lutein is an important carotenoid antioxidant for healthy skin that helps protect cells from harmful free radicals. Gelatin and Amino Acids - Combines gelatin with the amino acids L-cysteine and L-methionine. Gelatin is a rich source of amino acids, which are the building blocks of proteins. Proteins are needed for strong, healthy nails and the growth and repair of tissue. Antioxidant Protection - Provides antioxidant nutrients that protect the body from harmful free radicals that promote the cell-aging process. Includes alpha-Lipoic acid which helps regenerates antioxidants.

Metadata

Product Details

DSLD Entry Date2013-10-25
Product TypeOther Combinations
FormOther (e.g. tea bag)
DSLD ID26993
Data Updated2026-04-11
Research

Research Evidence

337
Research Sources
54
Avg Quality
161
Meta Analysis
68
Systematic Review
51
Rct
48
Clinical Trial
2
Other
2
Regulatory Source
1
Narrative Review
1
Cochrane Review
1
Guideline
1
Openfda Safety
A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
Meta Analysis BMJ (Clinical research ed.) 2011 PubMed DOI
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019 PubMed DOI
A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
Narrative Review The Cochrane database of systematic reviews 2016 PubMed DOI
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of sport and health science 2023 PubMed DOI
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
View all evidence for Vitamin A →
Compare

Similar Products

View all Vitamin A products →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.