DaVinci Laboratories Hair, Skin & Nails, 60 Capsules supplement bottle
DaVinci Laboratories

Hair, Skin & Nails, 60 Capsules

What We Researched
17 active ingredients analyzed · 3 inactive ingredients decoded · 3 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
87
Product Score Good
82
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as Retinyl Palmitate) 800 mcg 89%
Vitamin C (as Ascorbic Acid) 100 mg 111%
Vitamin D3 (as Cholecalciferol) (800 IU) 20 mcg 100%
Thiamin (as Thiamin HCl) 5 mg 417%
Riboflavin 5 mg 385%
Niacin (as Niacinamide) 5 mg 31%
Vitamin B6 (as Pyridoxal-5-Phosphate) 5 mg 294%
Folate (as L-Methyltetrahydrofolate Calcium) 800 mcg DFE 200%
Biotin 5,000 mcg 16,667%
Pantothenic Acid (as Ca d-Pantothenate) 100 mg 2,000%
lodine (from Kelp) 150 mg 100%
Zinc (as Zinc Bisglycinate Chelate) (TRAACS™) 10 mg 91%
Selenium (as L-Selenomethionine) 100 mcg 182%
Collagen Hydrolysate (from Bovine) 500 mg *
Methylsulfonylmethane (MSM) 100 mg *
Hyaluronic Acid 20 mg *
Horsetail (Equisetum arvense) Herb Extract 5 5 mg *
Bioavailability Very Good

Absorption Rating

  • Vitamin A (as Retinyl Palmitate) Good
  • Vitamin C (as Ascorbic Acid) Fair
  • Vitamin D3 (as Cholecalciferol) (800 IU) Good
  • Thiamin (as Thiamin HCl) Fair
  • Riboflavin Good
  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxal-5-Phosphate) Good
  • Folate (as L-Methyltetrahydrofolate Calcium) Fair
  • Biotin Good
  • Pantothenic Acid (as Ca d-Pantothenate) Good
  • lodine (from Kelp) Fair
  • Zinc (as Zinc Bisglycinate Chelate) (TRAACS™) Good
  • Selenium (as L-Selenomethionine) Good
  • Collagen Hydrolysate (from Bovine) Good
  • Methylsulfonylmethane (MSM) Good
  • Hyaluronic Acid Good
  • Horsetail (Equisetum arvense) Herb Extract 5 Poor
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Capsule)
  • Microcrystalline Cellulose
  • Vegetarian Leucine
Efficacy Good

Dosage Analysis

  • Vitamin A (as Retinyl Palmitate) 800 mcg Effective
  • Vitamin C (as Ascorbic Acid) 100 mg Effective
  • Vitamin D3 (as Cholecalciferol) (800 IU) 20 mcg Effective
  • Thiamin (as Thiamin HCl) 5 mg Effective
  • Riboflavin 5 mg Effective
  • Niacin (as Niacinamide) 5 mg Under-dosed
  • Vitamin B6 (as Pyridoxal-5-Phosphate) 5 mg Effective
  • Folate (as L-Methyltetrahydrofolate Calcium) 800 mcg DFE Effective
  • Biotin 5,000 mcg Effective
  • Pantothenic Acid (as Ca d-Pantothenate) 100 mg Effective
  • Zinc (as Zinc Bisglycinate Chelate) (TRAACS™) 10 mg Effective
  • Selenium (as L-Selenomethionine) 100 mcg Effective
  • Collagen Hydrolysate (from Bovine) 500 mg Under-dosed
  • Methylsulfonylmethane (MSM) 100 mg Under-dosed
  • Hyaluronic Acid 20 mg Under-dosed
  • Horsetail (Equisetum arvense) Herb Extract 5 5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (as Retinyl Palmitate) 800 mcg 89%
Vitamin C (as Ascorbic Acid) 100 mg 111%
Vitamin D3 (as Cholecalciferol) (800 IU) 20 mcg 100%
Thiamin (as Thiamin HCl) 5 mg 417%
Riboflavin 5 mg 385%
Niacin (as Niacinamide) 5 mg 31%
Vitamin B6 (as Pyridoxal-5-Phosphate) 5 mg 294%
Folate (as L-Methyltetrahydrofolate Calcium) 800 mcg DFE 200%
Biotin 5,000 mcg 16,667%
Pantothenic Acid (as Ca d-Pantothenate) 100 mg 2,000%
lodine (from Kelp) 150 mg 100%
Zinc (as Zinc Bisglycinate Chelate) (TRAACS™) 10 mg 91%
Selenium (as L-Selenomethionine) 100 mcg 182%
Collagen Hydrolysate (from Bovine) 500 mg *
Methylsulfonylmethane (MSM) 100 mg *
Hyaluronic Acid 20 mg *
Horsetail (Equisetum arvense) Herb Extract 5 5 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Microcrystalline Cellulose Safe

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

Vegetarian Leucine Safe

It provides a source of the essential amino acid leucine.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$25$22$20$17$15 Mar 12 $22.94$17.00
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
DaVinci Laboratories

Founded 1973 · Williston, VT, US · 192 products · davincilabs.com/

Certifications

3 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source

Violation History

2 incidents
Recall Amyloid Complete2024-05-08Source
Recall Dim Plex2019-07-11Source
Related Supplements
Frequently Asked Questions
Is DaVinci Laboratories Hair, Skin & Nails a good supplement?

DaVinci Laboratories Hair, Skin & Nails, 60 Capsules received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 17 active ingredients with 30 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, DaVinci Laboratories, holds a brand trust score of 82/100 with 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in DaVinci Laboratories Hair, Skin & Nails?

DaVinci Laboratories Hair, Skin & Nails contains 17 active ingredients: Vitamin A (as Retinyl Palmitate) (800 mcg), Vitamin C (as Ascorbic Acid) (100 mg), Vitamin D3 (as Cholecalciferol) (800 IU) (20 mcg), Thiamin (as Thiamin HCl) (5 mg), Riboflavin (5 mg), Niacin (as Niacinamide) (5 mg), and 11 more. Notable high-dose ingredients include Thiamin at 417% DV, Riboflavin at 385% DV, Vitamin B6 at 294% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is DaVinci Laboratories Hair, Skin & Nails safe to take?

DaVinci Laboratories Hair, Skin & Nails, 60 Capsules has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is DaVinci Laboratories a trustworthy supplement brand?

DaVinci Laboratories receives a brand trust score of 82/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Williston, VT, US, the company offers 192 products in their lineup. They hold 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: DaVinci Laboratories has 2 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. 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.