Supplement Label Index / 21st Century
Extra Strength Hair, Skin & Nails
21st Century · Tablet or Pill · On market
Matched compounds
Compound Form Tier Amount
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 Biotin (Vitamin B7) : 5,000 mcg per serving — higher than 92% of 9,338 on-market products declaring it (market median 150 mcg).Calcium : 372 elemental mg per serving — higher than 82% of 18,473 on-market products declaring it (market median 112 elemental mg).Choline : 10 mg per serving — higher than 9% of 4,794 on-market products declaring it (market median 50 mg).Collagen (Hydrolyzed Collagen Peptides) : 50 mg per serving — higher than 10% of 1,164 on-market products declaring it (market median 1,800 mg).Folate (Vitamin B9) : 534 mcg DFE per serving — higher than 44% of 5,690 on-market products declaring it (market median 666 mcg DFE).Magnesium : 50 elemental mg per serving — higher than 33% of 14,120 on-market products declaring it (market median 80 elemental mg).Manganese : 2,000 elemental mcg per serving — higher than 37% of 7,274 on-market products declaring it (market median 2,000 elemental mcg).Niacin (Vitamin B3) : 25 mg NE per serving — higher than 55% of 11,982 on-market products declaring it (market median 20 mg NE).Pantothenic Acid (Vitamin B5) : 15 mg per serving — higher than 50% of 9,834 on-market products declaring it (market median 14 mg).Riboflavin (Vitamin B2) : 2 mg per serving — higher than 36% of 9,701 on-market products declaring it (market median 4 mg).Thiamine (Vitamin B1) : 5 mg per serving — higher than 49% of 9,706 on-market products declaring it (market median 5 mg).Vitamin A : 1,500 mcg RAE per serving — higher than 60% of 10,243 on-market products declaring it (market median 1,050 mcg RAE).Vitamin B12 (Cobalamin) : 8 mcg per serving — higher than 26% of 14,041 on-market products declaring it (market median 35 mcg).Vitamin B6 (Pyridoxine) : 5 mg per serving — higher than 40% of 15,068 on-market products declaring it (market median 6 mg).Vitamin C : 60 mg per serving — higher than 23% of 18,522 on-market products declaring it (market median 120 mg).Vitamin D : 25 mcg per serving — higher than 57% of 13,822 on-market products declaring it (market median 17.5 mcg).Vitamin E : 6.75 mg per serving — higher than 15% of 5,824 on-market products declaring it (market median 20 mg).Zinc : 7.5 elemental mg per serving — higher than 33% of 13,114 on-market products declaring it (market median 10 elemental mg).Per serving as declared; serving sizes and daily directions differ between products.
Excipients
Label statements
other: Directions: As a dietary supplement, adults take three (3) tablets daily with any meal or as directed by a healthcare provider.warning: Do not exceed recommended dosage.claim: Individual results may vary.warning: Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.warning: Stop use and contact a physician if adverse reactions occur.warning: Keep out of reach of children.warning: Do not use if product appears to be tampered with or seal is broken.other: Store at room temperature.other: No added yeast or artificial flavors.other: 21st Century
Healthy renewal formulaother: Antioxidants A, C & E
Plus B-Complex Vitamins & Minerals
5000 mcg of Biotin per servingidentity: Dietary Supplementother: Gluten freeclaim: Actual sizeother: Guaranteed Quality
Laboratory Tested
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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.
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Label data is sourced from the NIH Dietary Supplement Label Database (DSLD), released under CC0. Excipient/additive
regulatory data links to the Food Additive Index. Supplement Label Index does not rate products, recommend purchases, or
provide health advice.