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Ultra NourishHair

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 profile contains essential vitamins and B-complex nutrients that support cellular health and protein synthesis. Research provides strong evidence for the roles of vitamins A, C, and E as antioxidants that protect follicles from oxidative stress. Overall evidence coverage for this specific combination 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 NourishHair
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 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

1200 mcg of biotin

Contains: Milk.

Additional Information

Advanced nutrition for beautiful hair Supports the structural foundation of strong, healthy hair

Code 299621 JRG

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

Store in a cool, dry place.

Metadata

Product Details

UPC / SKU0 48107 01400 1
DSLD Entry Date2017-08-22
Product TypeOther Combinations
FormOther (e.g. tea bag)
BrandGNC Women's
DSLD ID75311
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.