Doctor's Best Women's Hair, Skin & Nails supplement bottle
Doctor's Best

Women's Hair, Skin & Nails Review

What We Researched
9 active ingredients analyzed · 5 inactive ingredients decoded · 1 brand certification checked · Last updated: Aug 2026
92
Product Score Excellent
61
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as retinyl palmitate) (4000 IU) 1200 mcg RAE 133%
Vitamin C (as ascorbic acid) 250 mg 278%
Vitamin D3 (as cholecalciferol) (1000 IU) 25 mcg 125%
Vitamin E(as d-alpha tocopheryl succinate) (22.3 IU) 15 mg 100%
Niacin 20 mg 125%
Folate(as L-5-Methyltetrahydrofolate Calcium) 400 mcg DFE 100%
Biotin 5000 mcg 16667%
Zinc (from zinc citrate) 5.5 mg 50%
Beauty-From-Within BlendMSM (Methylsulfonylmethane)(OptiMSM®), Hyaluronic Acid (as sodium hyaluronate), Hydrolyzed Keratin (KeraGLO®), Horsetail Herb Ext. (Equisetum arvense L.) (aerial), L-Glutathione, Grape Ext. (Vitis vinifera) (skin). 500 mg
Bioavailability Excellent

Absorption Rating

  • Vitamin A (as retinyl palmitate) (4000 IU) Good
  • Vitamin C (as ascorbic acid) Fair
  • Vitamin D3 (as cholecalciferol) (1000 IU) Good
  • Vitamin E(as d-alpha tocopheryl succinate) (22.3 IU) Good
  • Niacin Good
  • Folate(as L-5-Methyltetrahydrofolate Calcium) Good
  • Biotin Good
  • Zinc (from zinc citrate) Good
  • Beauty-From-Within BlendMSM (Methylsulfonylmethane)(OptiMSM®), Hyaluronic Acid (as sodium hyaluronate), Hydrolyzed Keratin (KeraGLO®), Horsetail Herb Ext. (Equisetum arvense L.) (aerial), L-Glutathione, Grape Ext. (Vitis vinifera) (skin). Good
Other Ingredients Excellent

Fillers & Additives

  • Modified Cellulose
  • Microcrystalline Cellulose
  • Anthocyanin extract powder
  • Silicon Dioxide
  • Magnesium Stearate
Efficacy Very Good

Dosage Analysis

  • Vitamin A (as retinyl palmitate) (4000 IU) 1200 mcg RAE Effective
  • Vitamin C (as ascorbic acid) 250 mg Effective
  • Vitamin D3 (as cholecalciferol) (1000 IU) 25 mcg Effective
  • Vitamin E(as d-alpha tocopheryl succinate) (22.3 IU) 15 mg Effective
  • Niacin 20 mg Effective
  • Folate(as L-5-Methyltetrahydrofolate Calcium) 400 mcg DFE Effective
  • Biotin 5000 mcg Effective
  • Zinc (from zinc citrate) 5.5 mg Under-dosed
  • Beauty-From-Within BlendMSM (Methylsulfonylmethane)(OptiMSM®), Hyaluronic Acid (as sodium hyaluronate), Hydrolyzed Keratin (KeraGLO®), Horsetail Herb Ext. (Equisetum arvense L.) (aerial), L-Glutathione, Grape Ext. (Vitis vinifera) (skin). 500 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (as retinyl palmitate) (4000 IU) 1200 mcg RAE 133%
Vitamin C (as ascorbic acid) 250 mg 278%
Vitamin D3 (as cholecalciferol) (1000 IU) 25 mcg 125%
Vitamin E(as d-alpha tocopheryl succinate) (22.3 IU) 15 mg 100%
Niacin 20 mg 125%
Folate(as L-5-Methyltetrahydrofolate Calcium) 400 mcg DFE 100%
Biotin 5000 mcg 16667%
Zinc (from zinc citrate) 5.5 mg 50%
Beauty-From-Within BlendMSM (Methylsulfonylmethane)(OptiMSM®), Hyaluronic Acid (as sodium hyaluronate), Hydrolyzed Keratin (KeraGLO®), Horsetail Herb Ext. (Equisetum arvense L.) (aerial), L-Glutathione, Grape Ext. (Vitis vinifera) (skin). 500 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Modified Cellulose Safe

Creates vegetarian capsule shells with controlled dissolution.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Anthocyanin extract powder Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Brand Trust Report
Doctor's Best

Founded 1990 · Tustin, California, USA · 351 products · doctorsbest.com

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

3 incidents
Lawsuit False advertising and mislabeling of glucosamine supplements.2022Source
Recall Red Yeast Rice2014-06-26Source
Recall Red Yeast Rice 600 mg Capsules, 120-count bottles2014-06-24Source
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Frequently Asked Questions
Is Doctor's Best Women's Hair, Skin & Nails a good supplement?

Doctor's Best Women's Hair, Skin & Nails received a product quality score of 92/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 9 active ingredients with 30 servings per container. Of the 5 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Doctor's Best, holds a brand trust score of 61/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Doctor's Best Women's Hair, Skin & Nails?

Doctor's Best Women's Hair, Skin & Nails contains 9 active ingredients: Vitamin A (as retinyl palmitate) (4000 IU) (1200 mcg RAE), Vitamin C (as ascorbic acid) (250 mg), Vitamin D3 (as cholecalciferol) (1000 IU) (25 mcg), Vitamin E(as d-alpha tocopheryl succinate) (22.3 IU) (15 mg), Niacin (20 mg), Folate(as L-5-Methyltetrahydrofolate Calcium) (400 mcg DFE), and 3 more. Notable high-dose ingredients include Vitamin C at 278% DV, Biotin at 16667% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Doctor's Best Women's Hair, Skin & Nails safe to take?

Doctor's Best Women's Hair, Skin & Nails has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Doctor's Best a trustworthy supplement brand?

Doctor's Best receives a brand trust score of 61/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1990 and headquartered in Tustin, California, USA, the company offers 351 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Doctor's Best has 3 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.