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Hair Strong

product on market Capsule Vali Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 38% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Biotin, zinc, and vitamins A, C, and E are associated with supporting hair structure and scalp health. Research provides moderate evidence that these nutrients contribute to follicle maintenance and antioxidant protection. However, the overall evidence coverage for this specific formulation is limited.

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

Label

Product Label

Label for Hair Strong
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Vegetarian Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
38%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
300 mcg RAE (33% DV)
Vitamin C
45 mg (50% DV)
10 mg (67% DV)
Within RDA (0.7× RDA) 179 studies (A:3, B:90)
500 mcg (1667% DV)
16.7× RDA — above typical dose 27 studies (A:0, B:11)
10 mg (91% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
Market median: 1000.0mg (2 products)
Market median: 20.0mg (931 products) 234 studies (A:1, B:90)
Horsetail whole herb powder
100 mg
Stinging Nettle root extract
50 mg
Market median: 320.0mg (426 products) 26 studies (A:0, B:5)
solubilized Keratin
50 mg
Bamboo Stem Extract
25 mg
Market median: 100.0mg (173 products)

Other Ingredients

Hydroxypropyl Methylcellulose Magnesium Stearate Microcrystalline Cellulose Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: To support hair health and growth take 2 capsules once daily with food. For best results, take daily for at least 30 days.

Warnings & Precautions

Warning: Do not exceed recommended dose.

Do not take if pregnant, nursing, or under 18 years old.

Do not take if pregnant, nursing, or under 18 years old.

If you have a medical condition, consult your physician before use. Do not use if safety seal is broken or missing.

Keep out of reach of children.

Manufactured in a facility and equipment that handles: eggs, wheat, milk, tree nuts, peanuts, soybeans, crustacean shellfish, and fish.

Formulation Notes

No Artificial flavors Preservatives

Made with Non GMO ingredients

Full transparency formula

Hair health and growth Thicker Fuller Stronger

Made with eco-friendly manufacturing in an FDA registered facility.

Additional Information

Store in a cool dry place.

GMP Good Manufacturing Practice Quality Product Made in U.S.A.

Metadata

Product Details

UPC / SKUX001JB3JI5
DSLD Entry Date2023-02-21
Product TypeOther Combinations
FormCapsule
BrandVali
DSLD ID284131
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.