One Daily, Women's, 100 Tablets
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin A (as Acetate) | 700 mcg | 78% |
| Vitamin C (as Ascorbic Acid) | 90 mg | 100% |
| Vitamin D3 (as Cholecalciferol) (1,000 IU) | 25 mcg | 125% |
| Vitamin E (as dl-Alpha Tocopheryl Acetate) | 15 mg | 100% |
| Thiamin (as Thiamin Mononitrate, B-1) | 2.4 mg | 200% |
| Riboflavin (Vitamin B-2) | 1.95 mg | 150% |
| Niacin (as Niacinamide) | 24 mg | 150% |
| Vitamin B-6 (as Pyridoxine HCl) | 3.4 mg | 200% |
| Folate (400 mcg Folic Acid) | 665 mcg DFE | 166% |
| Vitamin B-12 (as Cyanocobalamin) | 9.6 mcg | 400% |
| Biotin (as d-Biotin) | 45 mcg | 150% |
| Pantothenic Acid (as d-Calcium Pantothenate) | 7.5 mg | 150% |
| Calcium (as Calcium Carbonate) | 130 mg | 10% |
| Iron (as Ferrous Fumarate) | 18 mg | 100% |
| Iodine (as Potassium Iodide) | 150 mcg | 100% |
| Magnesium (as Magnesium Oxide) | 42 mg | 10% |
| Zinc (as Zinc Oxide) | 8 mg | 73% |
| Selenium (as Sodium Selenate) | 41 mcg | 75% |
| Copper (as Copper Sulfate) | 1.35 mg | 150% |
Bioavailability Good
Absorption Rating
- Vitamin A (as Acetate) Good
- Vitamin C (as Ascorbic Acid) Fair
- Vitamin D3 (as Cholecalciferol) (1,000 IU) Good
- Vitamin E (as dl-Alpha Tocopheryl Acetate) Poor
- Thiamin (as Thiamin Mononitrate, B-1) Fair
- Riboflavin (Vitamin B-2) Good
- Niacin (as Niacinamide) Good
- Vitamin B-6 (as Pyridoxine HCl) Fair
- Folate (400 mcg Folic Acid) Fair
- Vitamin B-12 (as Cyanocobalamin) Fair
- Biotin (as d-Biotin) Good
- Pantothenic Acid (as d-Calcium Pantothenate) Good
- Calcium (as Calcium Carbonate) Fair
- Iron (as Ferrous Fumarate) Fair
- Iodine (as Potassium Iodide) Good
- Magnesium (as Magnesium Oxide) Poor
- Zinc (as Zinc Oxide) Poor
- Selenium (as Sodium Selenate) Fair
- Copper (as Copper Sulfate) Fair
Other Ingredients Good
Fillers & Additives
- Cellulose
- Starch
- Gum Acacia
- Croscarmellose Sodium
- Stearic Acid
- Dicalcium Phosphate
- Iron oxide yellow (color)
- Magnesium Silicate
- Magnesium Stearate
- Mono/diglycerides
- Polyethylene glycol/polyvinyl alcohol copolymer
- Polyvinyl Alcohol
- Silicon Dioxide
- Titanium Dioxide High
Efficacy Very Good
Dosage Analysis
- Vitamin A (as Acetate) 700 mcg Effective
- Vitamin C (as Ascorbic Acid) 90 mg Effective
- Vitamin D3 (as Cholecalciferol) (1,000 IU) 25 mcg Effective
- Vitamin E (as dl-Alpha Tocopheryl Acetate) 15 mg Effective
- Thiamin (as Thiamin Mononitrate, B-1) 2.4 mg Effective
- Riboflavin (Vitamin B-2) 1.95 mg Effective
- Niacin (as Niacinamide) 24 mg Effective
- Vitamin B-6 (as Pyridoxine HCl) 3.4 mg Effective
- Folate (400 mcg Folic Acid) 665 mcg DFE Effective
- Vitamin B-12 (as Cyanocobalamin) 9.6 mcg Effective
- Biotin (as d-Biotin) 45 mcg Effective
- Pantothenic Acid (as d-Calcium Pantothenate) 7.5 mg Effective
- Calcium (as Calcium Carbonate) 130 mg Under-dosed
- Iron (as Ferrous Fumarate) 18 mg Effective
- Iodine (as Potassium Iodide) 150 mcg Effective
- Magnesium (as Magnesium Oxide) 42 mg Under-dosed
- Zinc (as Zinc Oxide) 8 mg Effective
- Selenium (as Sodium Selenate) 41 mcg Under-dosed
- Copper (as Copper Sulfate) 1.35 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin A (as Acetate) | 700 mcg | 78% |
| Vitamin C (as Ascorbic Acid) | 90 mg | 100% |
| Vitamin D3 (as Cholecalciferol) (1,000 IU) | 25 mcg | 125% |
| Vitamin E (as dl-Alpha Tocopheryl Acetate) | 15 mg | 100% |
| Thiamin (as Thiamin Mononitrate, B-1) | 2.4 mg | 200% |
| Riboflavin (Vitamin B-2) | 1.95 mg | 150% |
| Niacin (as Niacinamide) | 24 mg | 150% |
| Vitamin B-6 (as Pyridoxine HCl) | 3.4 mg | 200% |
| Folate (400 mcg Folic Acid) | 665 mcg DFE | 166% |
| Vitamin B-12 (as Cyanocobalamin) | 9.6 mcg | 400% |
| Biotin (as d-Biotin) | 45 mcg | 150% |
| Pantothenic Acid (as d-Calcium Pantothenate) | 7.5 mg | 150% |
| Calcium (as Calcium Carbonate) | 130 mg | 10% |
| Iron (as Ferrous Fumarate) | 18 mg | 100% |
| Iodine (as Potassium Iodide) | 150 mcg | 100% |
| Magnesium (as Magnesium Oxide) | 42 mg | 10% |
| Zinc (as Zinc Oxide) | 8 mg | 73% |
| Selenium (as Sodium Selenate) | 41 mcg | 75% |
| Copper (as Copper Sulfate) | 1.35 mg | 150% |
Other Ingredients
Cellulose Safe
Starch Generally_safe
Gum Acacia Safe
Stearic Acid Safe
Dicalcium Phosphate Safe
Iron oxide yellow (color) Unknown
Magnesium Silicate Generally_safe
Magnesium Stearate Safe
Mono/diglycerides Unknown
Polyvinyl Alcohol Generally_safe
Silicon Dioxide Safe
Titanium Dioxide Caution
Price Comparison
Price History
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Is 21st Century One Daily, Women's a good supplement?
21st Century One Daily, Women's, 100 Tablets received a product quality score of 73/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 19 active ingredients Of the 14 inactive ingredients, 7 are rated safe and 1 are flagged for review. The manufacturer, 21st Century, holds a brand trust score of 76/100 with 2 verified certifications including Consumerlab, Nsf Gmp.
What are the ingredients in 21st Century One Daily, Women's?
21st Century One Daily, Women's contains 19 active ingredients: Vitamin A (as Acetate) (700 mcg), Vitamin C (as Ascorbic Acid) (90 mg), Vitamin D3 (as Cholecalciferol) (1,000 IU) (25 mcg), Vitamin E (as dl-Alpha Tocopheryl Acetate) (15 mg), Thiamin (as Thiamin Mononitrate, B-1) (2.4 mg), Riboflavin (Vitamin B-2) (1.95 mg), and 13 more. Notable high-dose ingredients include Vitamin B-12 at 400% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is 21st Century One Daily, Women's safe to take?
21st Century One Daily, Women's, 100 Tablets has been analyzed for ingredient safety across all its components. Of 14 inactive ingredients, 7 are rated safe. 1 ingredient is flagged for review: Titanium Dioxide. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is 21st Century a trustworthy supplement brand?
21st Century receives a brand trust score of 76/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1991 and headquartered in Tempe, Arizona, United States, the company offers 231 products in their lineup. They hold 2 verified certifications including Consumerlab, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: 21st Century has 4 historical regulatory incidents on record, which are factored into the trust score.
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