Hair, Skin And Nails by Doctor's Best — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
58% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

2 Veggie Capsule(s) Serving Size

60 Servings

Other Combinations Product Type

58% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

1000 IU (20% DV)

Vitamin C

300 mg (500% DV)

Vitamin E

60 IU (200% DV)

✅ 2.7× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 40.2mg UL 1000mg

Vitamin B3

25 mg (125% DV)

✅ 1.8× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 25mg UL 35mg

Vitamin B6

25 mg (1250% DV)

📊 19.2× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 25mg UL 100mg

Biotin

6000 mcg (2000% DV)

📊 200.0× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)

RDA 0.03mg This product: 6.0mg

Pantothenic Acid

50 mg (500% DV)

📊 10.0× RDA — above typical dose 📚 1 studies — no high-quality reviews

RDA 5mg This product: 50mg

Calcium

47 mg (5% DV)

Phosphorus

21 mg (2% DV)

📊 Market median: 99.0mg (503 products) 📚 12 studies (Tier A: 0, B: 3)

RDA 700mg This product: 21mg UL 4000mg

Zinc

12 mg (80% DV)

✅ 1.1× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 12mg UL 40mg

Inositol

50 mg

📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)

This product: 50mg

Beauty Blend

Other Ingredients

Modified Cellulose Microcrystalline Cellulose Anthocyanin extract powder Silicon Dioxide Magnesium Stearate

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Suggested Adult Use: Take 2 capsules daily, with or without food, or as recommended by a nutritionally-informed physician.

🧪 Formulation Notes

This vegan beauty blend combines vegan Hyaluronic Acid and natural Astaxanthin to help enhance skin moisture and elasticity.

Bamboo silica helps maintain the strength and elasticity of hair. A higher dose of Biotin provides the building blocks that nourish healthy hair, skin and nails from within. Vitamin C helps promote collagen production, the basis for healthy skin. Vitamin E is an antioxidant essential to overall skin health.

Contains 6,000 mcg of Biotin to help support the overall health of hair, skin and nails Contains Vitamin C, to help support collagen production

Formulated with vegan Hyaluronic Acid to help support healthy skin

6mg of natural Astaxanthin help enhance skin elasticity and decrease visible signs of aging

Vegan

Non-GMO / Gluten free / Soy free / Vegan

Additional Information

Doctor’s Best Hair, Skin and Nails formula helps support beauty from within by providing a combination of essential vitamins and minerals, plus a specific beauty blend.

This potent combination helps promote healthy skin.

Bamboo silica helps maintain hair strength and elasticity

YDRB452

Helps support healthy hair, skin and nails

Vegan

Store in a cool dry place.

Product Details

UPC / SKU 7 53950 00452 8

DSLD Entry Date 2018-01-25

Product Type Other Combinations

Form Capsule

Brand Doctor's Best

DSLD ID 82402

Data Updated 2026-04-11

Research Evidence

337 Research Sources

54 Avg Quality Score

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 Cochrane

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 Cochrane

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 Cochrane

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 Cochrane

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 Cochrane

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 →