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Hair, Skin & Nails

product on market Capsule DaVinci Laboratories Safety: 98/100
98/100

This product looks safe

  • Folate: 800mg is 800.0× the Tolerable Upper Intake Level (1.0mg)
  • 65% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains vitamins A, C, and D3, along with B vitamins, which are supported by strong evidence for maintaining epithelial and connective tissue health. These nutrients play a role in collagen synthesis and cellular protection. However, the overall evidence coverage for this specific ingredient combination is limited.

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

Alerts

Safety Alerts

Folate: 800mg is 800.0× 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

2 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
65%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
800 mcg (89% DV)
Vitamin C
100 mg (111% DV)
20 mcg (100% DV)
1.3× RDA — within safe limits 608 studies (A:16, B:251)
5 mg (417% DV)
4.2× RDA — above typical dose 76 studies (A:0, B:33)
5 mg (385% DV)
3.8× RDA — above typical dose 13 studies (A:0, B:1)
5 mg (31% DV)
Within RDA (0.4× RDA) 196 studies (A:5, B:63)
5 mg (294% DV)
3.8× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
800 mcg DFE (200% DV)
Exceeds UL by 800.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
5000 mcg (16667% DV)
166.7× 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
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
10 mg (91% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
100 mcg (182% DV)
1.8× RDA — within safe limits 173 studies (A:0, B:67)
Market median: 20.0mg (931 products) 234 studies (A:1, B:90)
Market median: 1000.0mg (2 products)
Market median: 100.0mg (173 products)
Horsetail Herb Extract
5 mg

Other Ingredients

Hypromellose Microcrystalline Cellulose Leucine
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 2 capsules daily or as directed by your healthcare practitioner.

Warnings & Precautions

Warning: If pregnant or nursing, consult your healthcare practitioner before taking this product.

Keep out of reach of children.

To obtain product information or report a serious adverse event, call 1-800-325-1776.

Formulation Notes

Color of this product may vary due to color variations of the natural ingredients.

A Dietary Supplement to promote full hair, smooth skin and strong nails

Gluten free Soy free

Additional Information

Truth We pledge total truth in labeling. Our family of products contains only the purest and most potent ingredients. Guaranteed.

Store in a cool, dry place.

Metadata

Product Details

UPC / SKU0 26664 01663 8
DSLD Entry Date2023-12-14
Product TypeOther Combinations
FormCapsule
BrandDaVinci Laboratories
DSLD ID303960
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.