Other ingredients
Cellulose; Croscarmellose Sodium; Maltodextrin; Stearic Acid; Silicon Dioxide (SiO2); Magnesium Silicate (Mg Silicate); Magnesium Stearate (Mg Stearate); Polyethylene Glycol (PEG); Polysorbate; Polyvinyl Alcohol
Image: Open Food Facts contributors — CC BY-SA 3.0
21st Century
Extra Strength Hair Skin & Nails
Tablet or Pill
Serving size3 Tablet(s)
Servings per containerNot listed
Package90 Tablet(s)
Data retrievedJul 28, 2026
Supplement Facts
Serving size 3 Tablet(s)
Vitamin A1500 mcg167% DV
Vitamin C60 mg67% DV
Vitamin D25 mcg125% DV
Vitamin E6.75 mg45% DV
Thiamine5 mg417% DV
Riboflavin2 mg154% DV
Niacin25 mg156% DV
Vitamin B65 mg295% DV
Folate334 mcg DFE83% DV
Folic Acid200 mcgDV not established
Vitamin B128 mcg334% DV
Biotin5000 mcg16667% DV
Pantothenic Acid15 mg300% DV
Choline10 mg2% DV
Calcium372 mg29% DV
Phosphorus180 mg14% DV
Magnesium50 mg12% DV
Zinc7.5 mg68% DV
Manganese2 mg87% DV
Para-Aminobenzoic Acid10 mgDV not established
Inositol30 mgDV not established
Citrus Bioflavonoid / Rutin Complex38 mgDV not established
Citrus BioflavonoidNot listedDV not established
RutinNot listedDV not established
Horsetail; Powder3 mgDV not established
Collagen50 mgDV not established
Label directions
Directions: As a dietary supplement; adults take three (3) tablets daily with any meal or as directed by a healthcare provider.
Label warnings
Do not exceed recommended dosage. Warning: Consult a healthcare provider prior to use if pregnant nursing on medications have a medical condition or are planning a medical procedure. Stop use and contact a physician if adverse reactions occur. Keep out of reach of children. Do not use if product appears to be tampered with or seal is broken.
Identity and label version
NIH label record326326
Entered into NIH DSLDMar 25, 2025
UPC / GTIN00740985278475
Manufacturer / distributor on label21st Century HealthCare Inc.
Market statusOn market in the source data
“Entered into NIH DSLD” is the database entry date for this label record. It is not a manufacturer launch date or a label effective date.
NIH label history (1)
Current labelNIH record 326326Entered Mar 25, 2025
Vitamin A1500 mcg
Vitamin C60 mg
Vitamin D25 mcg
Vitamin E6.75 mg
Thiamine5 mg
Riboflavin2 mg
Niacin25 mg
Vitamin B65 mg
Folate334 mcg DFE
Folic Acid200 mcg
Vitamin B128 mcg
Biotin5000 mcg
Pantothenic Acid15 mg
Choline10 mg
Calcium372 mg
Phosphorus180 mg
Magnesium50 mg
Zinc7.5 mg
Manganese2 mg
Para-Aminobenzoic Acid10 mg
Inositol30 mg
Citrus Bioflavonoid / Rutin Complex38 mg
Citrus BioflavonoidNot listed
RutinNot listed
Horsetail; Powder3 mg
Collagen50 mg
Label warning: Do not exceed recommended dosage. Warning: Consult a healthcare provider prior to use if pregnant nursing on medications have a medical condition or are planning a medical procedure. Stop use and contact a physician if adverse reactions occur. Keep out of reach of children. Do not use if product appears to be tampered with or seal is broken.
Sources and traceability
- NIH Dietary Supplement Label DatabaseData retrieved Jul 28, 2026Open source ↗
More from 21st Century
Data comes from product labels or official public sources. It does not mean Safmira, NIH, or FDA approves, certifies, or recommends this product. Label amounts are not laboratory measurements.