🟢 90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 62% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Safety Alerts

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

2 Caplet(s) Serving Size
60 Servings
Other Combinations Product Type
62% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
1000 IU (20% DV)
Vitamin C
30 mg (50% DV)
10 IU (33% DV)
✅ Within RDA (0.4× RDA of 15 mg) 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 6.7mg UL 1000mg
1.5 mg (100% DV)
✅ 1.2× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 1.5mg
1.7 mg (100% DV)
✅ 1.3× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 1.7mg
25 mg (125% DV)
✅ 1.8× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 25mg UL 35mg
2 mg (100% DV)
✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2mg UL 100mg
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
6 mcg (100% DV)
✅ 2.5× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.006mg
2000 mcg (667% DV)
📊 66.7× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 2.0mg
50 mg (500% DV)
📊 10.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 50mg
50 mcg (33% DV)
✅ Within RDA (0.3× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)
RDA 0.15mg This product: 0.05mg UL 1.1mg
15 mg (4% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 15mg
15 mg (100% DV)
✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 15mg UL 40mg
1 mg (50% DV)
✅ 1.1× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 1mg UL 10mg
2 mg
📊 Market median: 108.0mg (8 products) 📚 9 studies (Tier A: 0, B: 4)
This product: 2mg
1 mg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 1mg UL 20mg
L-Cysteine
100 mg
250 mcg
📊 Market median: 125.0mg (294 products) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 0.25mg UL 3500mg
50 mcg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 0.05mg
hydrolyzed Gelatin
25 mg
Natural Amino Complex
50 mg
Cayenne pepper
10 mg
Proprietary Herbal Blend
20 mg

Other Ingredients

Cellulose Dicalcium Phosphate Titanium Dioxide Food Glaze Vegetable Acetoglycerides

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Adult Male (18-50 Years) Gluten Free Sugar Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take two caplets daily. For maximum benefits, take as directed every day.

⚠️ Warnings & Precautions

Keep out of reach of children.

Contains: Milk.

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.

🧪 Formulation Notes

No sugar, no artificial colors, no artificial flavors, no preservatives, sodium free, no wheat, gluten free, yeast free.

"Packed with biotin and silica, Ultra NourishHair supports the hair matrix from the inside out."

Biotin Features 2,000 mcg of biotin per serving to support normal cell growth in the hair matrix. Biotin is an essential vitamin known to promote healthy hair and normal cell growth. Amino Acid Complex Features a natural amino acid complex with hydrolyzed gelatin, a natural source of collagen. Amino acids are the building blocks and repair of tissue. Proprietary Herbal Blend Includes a proprietary herbal blend that supplies many beneficial herbs such as juniper berries and horsetail.

Premium formula for men

2,000 mcg of biotin Natural amino acid complex Proprietary herbal blend

Contains: Milk.

Additional Information

Store in a cool, dry place.

Actual size

GNC quality commitment For more than 79 years, GNC has been the leader in the development of superior nutritional supplements. Our products are produced using only fresh, high-quality ingredients and are manufactured under the strictest quality controls.

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.

Please recycle this box.

Gf Gluten free

Antioxidant Protection Provides antioxidant nutrients that help protect the body from harmful free radicals that can promote the cell aging process.

Supports the structural foundation of strong, healthy hair

Antioxidants to fight cell aging

CODE 247721 JNG

Physician endorsed

Product Details

DSLD Entry Date 2017-07-25
Product Type Other Combinations
Form Other (e.g. tea bag)
Brand GNC Men's
DSLD ID 76009
Data Updated 2026-04-11

Research Evidence

337 Research Sources
54 Avg Quality Score
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
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
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
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
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019
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
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020
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
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019
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
View all evidence for Vitamin A →

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