Metabolic Nutrition Hair Skin & Nails, 90 Tablets supplement bottle
Metabolic Nutrition

Hair Skin & Nails, 90 Tablets

What We Researched
28 active ingredients analyzed · 3 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
76
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (Retinyl Palmitate) 1,500 mcg 167%
Vitamin C ( as Ascorbic Acid) 120 mg 133%
Vitamin D3 (as Cholecalciferol) 2.5 mcg 13%
Vitamin E (as d-Alpha Tocopheryl Acetate) 10.05 mg 67%
Vitamin B1 (as Thiamin Hydrochloride) 5.01 mg 418%
Vitamin B2 (as Riboflavin) 5.01 mg 385%
Vitamin B3 (as Niacin) 24.99 mg 156%
Vitamin B6 (as Pyridoxine Hydrochloride) 5.01 mg 295%
Folic Acid 201 mcg 50%
Vitamin B12 (as Cyanocobalamin) 9 mcg 375%
Biotin (as d-Biotin) 3 mcg 10%
Pantothenic Acid (as Calcium Pantothenate) 15 mg 300%
Calcium (as Calcium Carbonate and Dicalcium Phosphate) 733 mg 56%
Iron (as Ferrous Gluconate) 3 mg 17%
Phosphorus (as Dicalcium Phosphate) 150 mg 12%
lodine (from Potassium Iodide) 114 mcg 76%
Magnesium (as Magnesium Oxide) 99.99 mg 24%
Zinc (as Zinc Gluconate) 7.5 mg 68%
Selenium (as L-Selenomethionine) 12 mcg 22%
Manganese (as Manganese Gluconate) 5.01 mg 218%
PABA (Para-Aminobenzoic Acid) 24.99 mg **
Choline Bitartrate 75 mg **
Inositol 30 mg **
Ribonucleic Acid 30 mg **
Citrus Bioflavonoids Complex 24.99 mg **
Rutin 12.51 mg **
Horsetail (Equisetum arvense)(aerial) 3 mg **
Betaine HCL 25 mg **
Bioavailability Good

Absorption Rating

  • Vitamin A (Retinyl Palmitate) Good
  • Vitamin C ( as Ascorbic Acid) Fair
  • Vitamin D3 (as Cholecalciferol) Good
  • Vitamin E (as d-Alpha Tocopheryl Acetate) Good
  • Vitamin B1 (as Thiamin Hydrochloride) Fair
  • Vitamin B2 (as Riboflavin) Good
  • Vitamin B3 (as Niacin) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folic Acid Fair
  • Vitamin B12 (as Cyanocobalamin) Fair
  • Biotin (as d-Biotin) Good
  • Pantothenic Acid (as Calcium Pantothenate) Good
  • Calcium (as Calcium Carbonate and Dicalcium Phosphate) Fair
  • Iron (as Ferrous Gluconate) Fair
  • Phosphorus (as Dicalcium Phosphate) Good
  • lodine (from Potassium Iodide) Good
  • Magnesium (as Magnesium Oxide) Poor
  • Zinc (as Zinc Gluconate) Good
  • Selenium (as L-Selenomethionine) Good
  • Manganese (as Manganese Gluconate) Good
  • PABA (Para-Aminobenzoic Acid) Good
  • Choline Bitartrate Poor
  • Inositol Good
  • Ribonucleic Acid Fair
  • Citrus Bioflavonoids Complex Fair
  • Rutin Fair
  • Horsetail (Equisetum arvense)(aerial) Poor
  • Betaine HCL Fair
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose
  • Stearic Acid
  • Magnesium Stearate and Silica
Efficacy Poor

Dosage Analysis

  • Vitamin A (Retinyl Palmitate) 1,500 mcg Effective
  • Vitamin C ( as Ascorbic Acid) 120 mg Effective
  • Vitamin D3 (as Cholecalciferol) 2.5 mcg Under-dosed
  • Vitamin E (as d-Alpha Tocopheryl Acetate) 10.05 mg Under-dosed
  • Vitamin B1 (as Thiamin Hydrochloride) 5.01 mg Effective
  • Vitamin B2 (as Riboflavin) 5.01 mg Effective
  • Vitamin B3 (as Niacin) 24.99 mg Effective
  • Vitamin B6 (as Pyridoxine Hydrochloride) 5.01 mg Effective
  • Folic Acid 201 mcg Under-dosed
  • Vitamin B12 (as Cyanocobalamin) 9 mcg Effective
  • Biotin (as d-Biotin) 3 mcg Under-dosed
  • Pantothenic Acid (as Calcium Pantothenate) 15 mg Effective
  • Calcium (as Calcium Carbonate and Dicalcium Phosphate) 733 mg Effective
  • Iron (as Ferrous Gluconate) 3 mg Under-dosed
  • Phosphorus (as Dicalcium Phosphate) 150 mg Under-dosed
  • lodine (from Potassium Iodide) 114 mcg Under-dosed
  • Magnesium (as Magnesium Oxide) 99.99 mg Under-dosed
  • Zinc (as Zinc Gluconate) 7.5 mg Under-dosed
  • Selenium (as L-Selenomethionine) 12 mcg Under-dosed
  • Manganese (as Manganese Gluconate) 5.01 mg Effective
  • PABA (Para-Aminobenzoic Acid) 24.99 mg Under-dosed
  • Choline Bitartrate 75 mg Under-dosed
  • Inositol 30 mg Under-dosed
  • Citrus Bioflavonoids Complex 24.99 mg Under-dosed
  • Rutin 12.51 mg Under-dosed
  • Horsetail (Equisetum arvense)(aerial) 3 mg Under-dosed
  • Betaine HCL 25 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (Retinyl Palmitate) 1,500 mcg 167%
Vitamin C ( as Ascorbic Acid) 120 mg 133%
Vitamin D3 (as Cholecalciferol) 2.5 mcg 13%
Vitamin E (as d-Alpha Tocopheryl Acetate) 10.05 mg 67%
Vitamin B1 (as Thiamin Hydrochloride) 5.01 mg 418%
Vitamin B2 (as Riboflavin) 5.01 mg 385%
Vitamin B3 (as Niacin) 24.99 mg 156%
Vitamin B6 (as Pyridoxine Hydrochloride) 5.01 mg 295%
Folic Acid 201 mcg 50%
Vitamin B12 (as Cyanocobalamin) 9 mcg 375%
Biotin (as d-Biotin) 3 mcg 10%
Pantothenic Acid (as Calcium Pantothenate) 15 mg 300%
Calcium (as Calcium Carbonate and Dicalcium Phosphate) 733 mg 56%
Iron (as Ferrous Gluconate) 3 mg 17%
Phosphorus (as Dicalcium Phosphate) 150 mg 12%
lodine (from Potassium Iodide) 114 mcg 76%
Magnesium (as Magnesium Oxide) 99.99 mg 24%
Zinc (as Zinc Gluconate) 7.5 mg 68%
Selenium (as L-Selenomethionine) 12 mcg 22%
Manganese (as Manganese Gluconate) 5.01 mg 218%
PABA (Para-Aminobenzoic Acid) 24.99 mg **
Choline Bitartrate 75 mg **
Inositol 30 mg **
Ribonucleic Acid 30 mg **
Citrus Bioflavonoids Complex 24.99 mg **
Rutin 12.51 mg **
Horsetail (Equisetum arvense)(aerial) 3 mg **
Betaine HCL 25 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate and Silica Generally_safe

It is used to improve powder flow and prevent sticking during manufacturing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$18$17$16$15$14 Mar 12 $16.00
iHerb

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

Brand Trust Report
Metabolic Nutrition

Founded 1987 · Tamarac, Florida, United States · 113 products · metabolicnutrition.com/

Transparency

2 claims
In House Testing — Verified Source

Violation History

1 incident
Fda Warning Products Synedrex and E.S.P. Extreme were found to contain 2-aminoisoheptane (DMHA), an ingredient that the FDA considers to be a new dietary ingredient for which a New Dietary Ingredient notification is required and has not been submitted. The FDA stated that in the absence of such a notification, the products were considered adulterated.2019-04-10Source
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Frequently Asked Questions
Is Metabolic Nutrition Hair Skin & Nails, 90 Tablets a good supplement?

Metabolic Nutrition Hair Skin & Nails, 90 Tablets received a product quality score of 76/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 28 active ingredients with 30 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review.

What are the ingredients in Metabolic Nutrition Hair Skin & Nails, 90 Tablets?

Metabolic Nutrition Hair Skin & Nails, 90 Tablets contains 28 active ingredients: Vitamin A (Retinyl Palmitate) (1,500 mcg), Vitamin C ( as Ascorbic Acid) (120 mg), Vitamin D3 (as Cholecalciferol) (2.5 mcg), Vitamin E (as d-Alpha Tocopheryl Acetate) (10.05 mg), Vitamin B1 (as Thiamin Hydrochloride) (5.01 mg), Vitamin B2 (as Riboflavin) (5.01 mg), and 22 more. Notable high-dose ingredients include Vitamin B1 at 418% DV, Vitamin B2 at 385% DV, Vitamin B6 at 295% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Metabolic Nutrition Hair Skin & Nails, 90 Tablets safe to take?

Metabolic Nutrition Hair Skin & Nails, 90 Tablets 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.

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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.