Extra Strength Hair, Skin & Nails
by 21st Century · Tablet or Pill
Supplement facts from the label of Extra Strength Hair, Skin & Nails by 21st Century: Vitamin A 1,500 mcg, Vitamin C 60 mg, Vitamin D3 25 mcg, Vitamin E 6.8 mg….

Supplement Facts
| Ingredient | Per serving | % DV | Upper limit (adults) |
|---|---|---|---|
| Vitamin A (Retinyl Palmitate) | 1,500 mcg | 167% | 3,000 mcg · 50% at label max |
| Vitamin C (Ascorbic Acid) | 60 mg | 67% | 2,000 mg · 3% at label max |
| Vitamin D3 (Cholecalciferol) | 25 mcg | 125% | 100 mcg · 25% at label max |
| Vitamin E (DL-Alpha-Tocopheryl Acetate) | 6.8 mg | 45% | 1,000 mg · 1% at label max |
| Thiamine (Thiamine Hydrochloride) | 5.0 mg | 417% | — |
| Riboflavin (Vitamin B2) | 2.0 mg | 154% | — |
| Niacin (Niacinamide) | 25 mg | 156% | 35 mg · 71% at label max |
| Vitamin B6 (Pyridoxine Hydrochloride) | 5.0 mg | 295% | 100 mg · 5% at label max |
| Folate | 334 mcg DFE | 83% | — |
| └ Folic Acid | 200 mcg | — | 1,000 mcg · 20% at label max |
| Vitamin B12 (Cyanocobalamin) | 8.0 mcg | 334% | — |
| Biotin (D-Biotin) | 5,000 mcg | 16,667% | — |
| Pantothenic Acid (D-Calcium Pantothenate) | 15 mg | 300% | — |
| Choline (Choline Bitartrate) | 10 mg | 2% | 3,500 mg · 0% at label max |
| Calcium (Calcium Carbonate, Dicalcium Phosphate) | 372 mg | 29% | 2,500 mg · 15% at label max |
| Phosphorus (Dicalcium Phosphate) | 180 mg | 14% | 4,000 mg · 5% at label max |
| Magnesium (Magnesium Oxide) | 50 mg | 12% | 350 mg · 14% at label max |
| Zinc (Zinc Gluconate) | 7.5 mg | 68% | 40 mg · 19% at label max |
| Manganese (Manganese Gluconate) | 2.0 mg | 87% | 11 mg · 18% at label max |
| Para-Aminobenzoic Acid | 10 mg | — | — |
| Inositol | 30 mg | — | — |
| Citrus Bioflavonoid / Rutin Complex | 38 mg | — | — |
| └ Citrus Bioflavonoid | 0.00 NP | — | — |
| └ Rutin | 0.00 NP | — | — |
| Horsetail, Powder | 3.0 mg | — | — |
| Collagen (Gelatin, Hydrolyzed) | 50 mg | — | — |
Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.
On the label
For: Adult (18 - 50 Years) · Gluten Free
Claim types: Nutrient · All Other · Structure/Function
Suggested/Recommended/Usage/Directions: Directions: As a dietary supplement, adults take three (3) tablets daily with any meal or as directed by a healthcare provider.
Precautions re: All Other: Do not exceed recommended dosage.
All Other Content: Individual results may vary.
Precautions re: Pregnant or Nursing or Prescription Medications: Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.
Precautions re: All Other: Stop use and contact a physician if adverse reactions occur.
Precautions re: Children: Keep out of reach of children.
This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.
Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).