Supplement Label Index / 21st Century

Extra Strength Hair, Skin & Nails

21st Century · Tablet or Pill · On market

Matched compounds

CompoundFormTierAmount
Biotin (Vitamin B7) D-Biotin Tier 1 5000 mcg
Calcium unspecified Unrated 372 mg
Choline Choline Bitartrate Tier 2 10 mg
Collagen (Hydrolyzed Collagen Peptides) Hydrolyzed Collagen Peptides (Type I/III) Tier 1 50 mg
Folate (Vitamin B9) Folic Acid Tier 2 334 mcg dfe
Folate (Vitamin B9) Folic Acid Tier 2 in blend (undisclosed)
Magnesium Magnesium Oxide Tier 3 50 mg
Manganese Manganese Gluconate Tier 2 2000 mcg
Niacin (Vitamin B3) Niacin (Nicotinic Acid) Tier 1 25 mg
Pantothenic Acid (Vitamin B5) Calcium Pantothenate Tier 1 15 mg
Riboflavin (Vitamin B2) Riboflavin Tier 1 2 mg
Thiamine (Vitamin B1) Thiamine Hydrochloride (Thiamine HCl) Tier 1 5 mg
Vitamin A Retinyl Palmitate Tier 1 1500 mcg
Vitamin B12 (Cobalamin) Cyanocobalamin Tier 1 8 mcg
Vitamin B6 (Pyridoxine) Pyridoxine Hydrochloride Unrated 5 mg
Vitamin C Ascorbic Acid Tier 1 60 mg
Vitamin D Cholecalciferol (Vitamin D3) Tier 1 25 mcg
Vitamin E DL-Alpha-Tocopheryl Acetate (synthetic) Tier 2 6.75 mg
Zinc Zinc Gluconate Tier 2 7.5 mg

How these doses compare

Per serving as declared; serving sizes and daily directions differ between products.

Excipients

Label statements

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Label facts as declared by the manufacturer to the NIH Dietary Supplement Label Database (DSLD), not independently lab-tested. This page reports what the label says; it does not rate, score, or recommend this product.