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Ultra Nourish-Hair

product on market Other (e.g. tea bag) GNC Women's Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 76% 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, E, and B-complex, which support cellular protection and metabolic function. Research provides strong evidence for the role of these nutrients in maintaining hair and skin health. The overall evidence coverage for this specific profile is limited.

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

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Ultra Nourish-Hair
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Caplet(s)
Serving Size
60
Servings
Other Combinations
Product Type
76%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
1000 IU (20% DV)
Vitamin C
60 mg (100% DV)
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)
4 mg (200% DV)
3.1× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
200 mcg (50% DV)
Within RDA (0.5× RDA) 226 studies (A:10, B:105)
6 mcg (100% DV)
2.5× RDA — within safe limits 139 studies (A:1, B:44)
1200 mcg (400% DV)
40.0× RDA — above typical dose 27 studies (A:0, B:11)
20 mg (200% DV)
4.0× RDA — above typical dose 2 studies — no high-quality reviews
50 mcg (33% DV)
Within RDA (0.3× RDA) 245 studies (A:4, B:133)
40 mg (10% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
30 mg (200% DV)
2.7× RDA — within safe limits 263 studies (A:6, B:134)
2 mg (100% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
Market median: 500.0mg (180 products) 5 studies (A:0, B:1)
MSM
500 mg
Market median: 1000.0mg (2 products)
250 mcg
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
3 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
1 mg
Market median: 108.0mg (8 products) 9 studies (A:0, B:4)
50 mcg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)

Other Ingredients

Cellulose Titanium Dioxide Vegetable Acetoglycerides
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.

Warnings & Precautions

Contains: Milk.

KEEP OUT OF REACH OF CHILDREN.

Formulation Notes

- Biotin - Supports the matrix of hair and normal cell growth. Each serving combines 1200 mcg of biotin with silica to provide support for healthy hair. - MSM (Methysulfonyl-methane) - A natural source of sulfur that is an essential component of collagen, a specific type of protein found in hair. - Amino acid complex - Amino acids are the building blocks of proteins that are needed for growth and repair of tissues.

- 1200 mcg biotin - 500 mg MSM - 800 mg proprietary amino acid complex

Contains: Milk.

No Sugar, No Starch, No Artificial Colors, No Artificial Flavors, No Preservatives, No Wheat, No Gluten, No Corn, Yeast Free.

Additional Information

{caplet} actual size

GNC, the leader in the development and manufacture of dietary supplements, is committed to producing the highest quality products available. This commitment begins with quality designed supplement formulations. Every raw material that goes into a GNC supplement is guaranteed as to quality and potency. Each product is dated and then shipped immediately to our stores, so you can be sure you are purchasing the freshest supplements available. At GNC, we extend our quality commitment to you by offering our money-back guarantee.

GNC GUARANTEE Use any GNC supplement for as little as 10 days. If you are not 100% completely satisfied, return the unused portion of the product with proof of purchase to your GNC store for a complete refund of your purchase price. No questions asked!

- Antioxidant protection - Provides antioxidant nutrients that protect the body from harmful free radicals that promote the cell-aging process.

Advanced nutrition for beautiful hair

GNC Women's Ultra Nourish-Hair is specially formulated to help nourish your hair from within. This enhanced formulas blends amino acids with important nutrients found in the matrix of hair.

CODE 299621 JHG

Potencies verified by GNC procedure #5015. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Store in a cool, dry place.

Metadata

Product Details

DSLD Entry Date2016-03-24
Product TypeOther Combinations
FormOther (e.g. tea bag)
BrandGNC Women's
DSLD ID57160
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 →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.