Home/ Supplements/ Vitamin A/ Hair, Skin & Nails

Hair, Skin & Nails

product on market Tablet or Pill CHK Nutrition Safety: 99/100
99/100

This product looks safe

  • Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)
  • 52% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile contains vitamins A, C, D, E, and B1, which support collagen synthesis and cellular protection for skin and hair health. There is strong evidence for the role of these micronutrients in maintaining integumentary integrity. The formulation maintains a high safety score with no significant concerns noted.

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

Alerts

Safety Alerts

Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Hair, Skin & Nails
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Tablet(s)
Serving Size
30
Servings
Other Combinations
Product Type
52%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
2750 mcg (306% DV)
Vitamin C
60 mg (67% DV)
5 mcg (25% DV)
Within RDA (0.3× RDA) 608 studies (A:16, B:251)
24.79 NP (165% DV)
1.7× RDA — within safe limits 179 studies (A:3, B:90)
25 mg (2083% DV)
20.8× RDA — above typical dose 76 studies (A:0, B:33)
25 mg (1923% DV)
19.2× RDA — above typical dose 13 studies (A:0, B:1)
20 mg (125% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
25 mg (1471% DV)
19.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
667 mcg DFE (167% DV)
Exceeds UL by 667.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
100 mcg (4167% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
1200 mcg (4000% DV)
40.0× RDA — above typical dose 27 studies (A:0, B:11)
100 mg (2000% DV)
20.0× RDA — above typical dose 2 studies — no high-quality reviews
25 mg (5% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
Calcium
300 mg (23% DV)
60 mg (14% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
5 mg (45% DV)
Market median: 500.0mg (115 products)
200 mcg (364% DV)
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
1 mg (111% DV)
1.1× RDA — within safe limits 37 studies (A:0, B:11)
5 mg (217% DV)
2.2× RDA — within safe limits 9 studies — no high-quality reviews
MSM
200 mg
Market median: 1000.0mg (2 products)
Horsetail leaf extract
100 mg
25 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
10 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
1 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
L-Cysteine
300 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Nettle leaf powder
100 mg
50 mg
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews
Trace Minerals
50 mg

Other Ingredients

Cellulose Cellulose Gum Vegetable Stearin Silica Dicalcium Phosphate Magnesium Stearate
Claims

Label Claims — Verification

Unverified No Claim
Info

Product Information

Additional Information

New day. Fresh start. Better health.

Metadata

Product Details

DSLD Entry Date2021-08-23
Product TypeOther Combinations
FormTablet or Pill
BrandCHK Nutrition
DSLD ID252936
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 →
Compare

Similar Products

Prenatal/Postnatal
Redmont Pharmaceuticals · Tablet or Pill
100
ActiveMV
dotFIT · Tablet or Pill
100
X7 - Care
OL Olympian Labs · Tablet or Pill
100
Children's Chewable Vite
Rugby · Tablet or Pill
100
Zoo Friends with Xtra C
21st Century Zoo Friends · Tablet or Pill
100
View all Vitamin A products →
Vitamin A research Best Vitamin A All Vitamin A products More from CHK Nutrition View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.