Home/ Supplements/ Vitamin A/ Hairprin

Hairprin

product on market Capsule Approved Science Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 62% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile features a blend of B-complex vitamins and antioxidants, including vitamins A and E, which support cellular health and hair follicle function. Research evidence for these specific nutrients in promoting hair growth is generally moderate. The formulation maintains a high safety profile with no significant concerns noted.

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

Label

Product Label

Label for Hairprin
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
62%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
5000 IU (100% DV)
24 IU (160% DV)
1.1× RDA — within safe limits 179 studies (A:3, B:90)
20 mg (100% DV)
15.4× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
10 mg (588% DV)
7.7× RDA — above typical dose 13 studies (A:0, B:1)
10 mcg (167% DV)
4.2× RDA — above typical dose 139 studies (A:1, B:44)
50 mg (500% DV)
10.0× RDA — above typical dose 2 studies — no high-quality reviews
16 mg (106% DV)
1.5× RDA — within safe limits 263 studies (A:6, B:134)
Iron
10 mg (66% DV)
900 mcg (46% DV)
Within RDA (1.0× RDA) 37 studies (A:0, B:11)
500 mcg (167% DV)
16.7× RDA — above typical dose 27 studies (A:0, B:11)
200 mcg (50% DV)
Within RDA (0.5× RDA) 226 studies (A:10, B:105)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
70 mcg (100% DV)
1.3× RDA — within safe limits 173 studies (A:0, B:67)
400 mg
Market median: 320.0mg (426 products) 26 studies (A:0, B:5)
L-Cysteine
200 mg
200 mg
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews
120 mg
Market median: 120.0mg (440 products) 191 studies (A:1, B:71)
Fo-Ti
100 mg
Market median: 1000.0mg (2 products)
50 mg
Market median: 108.0mg (8 products) 9 studies (A:0, B:4)
Borage Oil
4 mg

Other Ingredients

Cellulose
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take two capsules daily, (one in the morning and one in the afternoon), before meals with an 8 oz. glass of water.

Warnings & Precautions

Caution: Do not exceed recommended dose. Do not use if safety seal is damaged or missing.

Pregnant women or nursing mothers, children under 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement.

Pregnant women or nursing mothers, children under 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement. Keep out of reach of children.

Formulation Notes

Manufactured in the USA according to Good Manufacturing Practice (cGMP) and conforms to the tested ingredients grade, strength and purity of industry Quality Standards.

Vegan friendly

Made with GMO free ingredients

Advanced hair support Premium grade High potency Safe Fast Natural formula Optimal strength GMP Certified

Contains silica and saw palmetto

100% vegan friendly

Additional Information

Store at room temperature.

Vegan friendly Made in USA No animal testing GMP Good Manufacturing Practice Quality Product

Metadata

Product Details

UPC / SKUX002JESVBV
DSLD Entry Date2024-11-22
Product TypeOther Combinations
FormCapsule
BrandApproved Science
DSLD ID319769
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.