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Skin, Hair & Nail Formula

product on market Tablet or Pill Wonder Laboratories Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 65% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains vitamins A, C, D, E, and thiamine, which are associated with maintaining skin integrity and cellular protection. Research provides strong evidence for the roles of these vitamins in supporting hair and nail health. However, the overall evidence coverage for this specific combination is limited.

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

Label

Product Label

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

Label Data

1 Tablet(s)
Serving Size
Multi-Vitamin and Mineral (MVM)
Product Type
65%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
3333 IU (67% DV)
Vitamin C
40 mg (67% DV)
67 IU (17% DV)
Within RDA (0.1× RDA) 608 studies (A:16, B:251)
10 IU (33% DV)
Within RDA (0.4× RDA) 179 studies (A:3, B:90)
3.3 mg (220% DV)
2.8× RDA — within safe limits 76 studies (A:0, B:33)
3.3 mg (194% DV)
2.5× RDA — within safe limits 13 studies (A:0, B:1)
17 mg (85% DV)
1.2× RDA — within safe limits 196 studies (A:5, B:63)
5.3 mg (265% DV)
4.1× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
133 mcg (33% DV)
Within RDA (0.3× RDA) 226 studies (A:10, B:105)
5.3 mcg (88% DV)
2.2× RDA — within safe limits 139 studies (A:1, B:44)
133 mcg (44% DV)
4.4× RDA — above typical dose 27 studies (A:0, B:11)
10 mg (100% DV)
2.0× RDA — within safe limits 2 studies — no high-quality reviews
Calcium
200 mg (20% DV)
Iron
2 mg (11% DV)
60 mcg (40% DV)
Within RDA (0.4× RDA) 245 studies (A:4, B:133)
66.7 mg (17% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)
5 mg (33% DV)
Within RDA (0.5× RDA) 263 studies (A:6, B:134)
8.3 mcg (12% DV)
Within RDA (0.2× RDA) 173 studies (A:0, B:67)
3.3 mg (165% DV)
1.4× RDA — within safe limits 9 studies — no high-quality reviews
Potassium
3.3 mg (1% DV)

Other Ingredients

Vegetable Cellulose Horsetail L-Cysteine Choline Vegetable Magnesium Stearate Stearic Acid L-Methionine Echinacea purpurea extract Inositol PABA Citrus Bioflavonoids Betaine Papain Vanillin Bromelain Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take 1 tablet three times daily, preferably with meals.

Warnings & Precautions

Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Caution: If you are pregnant or nursing, consult your physician before taking this product.

Formulation Notes

Manufactured in an FDA Registered Facility using Good Manufacturing Practices (GMPs)

Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability.

Nutritionally supports healthy skin, hair and nails

Additional Information

Keep tightly closed. Store at room temperature: 59 degrees – 86 degrees F (15 degrees – 30 degrees C).

Made in USA

Formula 904

Metadata

Product Details

UPC / SKU0 99528 90410 5
DSLD Entry Date2020-03-24
Product TypeMulti-Vitamin and Mineral (MVM)
FormTablet or Pill
BrandWonder Laboratories
DSLD ID215620
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.