Supplement Label Index / 21st Century

Hair, Skin & Nails

21st Century · Tablet or Pill · On market

Matched compounds

CompoundFormTierAmount
Biotin (Vitamin B7) D-Biotin Tier 1 25 mcg
Calcium unspecified Unrated 125 mg
Choline Choline Bitartrate Tier 2 25 mg
Folate (Vitamin B9) Folic Acid Tier 2 42 mcg dfe
Folate (Vitamin B9) Folic Acid Tier 2 in blend (undisclosed)
Glycine Glycine (unmodified free amino acid) Tier 1 in blend (undisclosed)
Inositol (myo-Inositol) unspecified/undisclosed form Unrated 10 mg
Iodine Potassium Iodide Tier 1 150 mcg
Iodine Kelp Tier 3 in blend (undisclosed)
Iron Ferrous Fumarate Unrated 3.3 mg
L-Arginine unspecified/undisclosed form Unrated in blend (undisclosed)
L-Lysine unspecified/undisclosed form Unrated in blend (undisclosed)
L-Tyrosine L-Tyrosine (free-form amino acid) Tier 1 7.2 mg
Magnesium Magnesium Oxide Tier 3 20 mg
Manganese Manganese Sulfate Tier 2 600 mcg
Niacin (Vitamin B3) Niacin (Nicotinic Acid) Tier 1 7.5 mg
Pantothenic Acid (Vitamin B5) Calcium Pantothenate Tier 1 15 mg
Potassium unspecified Unrated 5 mg
Riboflavin (Vitamin B2) Riboflavin Tier 1 5 mg
Thiamine (Vitamin B1) unspecified Unrated 5 mg
Vitamin A Retinyl Palmitate Tier 1 750 mcg rae
Vitamin B12 (Cobalamin) Cyanocobalamin Tier 1 25 mcg
Vitamin B6 (Pyridoxine) Pyridoxine Hydrochloride Unrated 6.5 mg
Vitamin C Ascorbic Acid Tier 1 50 mg
Vitamin D Cholecalciferol (Vitamin D3) Tier 1 1.2 mcg
Vitamin E DL-Alpha-Tocopheryl Acetate (synthetic) Tier 2 25 mg
Zinc Zinc Gluconate Tier 2 0.6 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.