Skip to main content
Evidence-Based Supplement Research
Evidence-Based Supplement Research

One Daily, Women's

By 21st Century

4.7 (24.3K reviews)
Out of Stock
Supplement Ingredients
IngredientsAmount Per Serving
Vitamin A (as Acetate and 10% as Beta Carotene)
Vitamin A
700 mcg
Vitamin C (as Ascorbic Acid)
Vitamin C
84 mg
Vitamin D3 (as Cholecalciferol)
Vitamin D
25 mcg
Vitamin E (as dl-alpha Tocopheryl Acetate)
Vitamin E
7.5 mg
Vitamin K (as Phytonadione)
Vitamin K1
25 mcg
Thiamin (as Thiamin Mononitrate, B-1)
1.2 mg
Riboflavin (Vitamin B-2)
Vitamin B2
1.3 mg
Niacin (as Niacinamide)
Vitamin B3
16 mg
Vitamin B-6 (as Pyridoxine HCl)
Vitamin B6
1.7 mg
Folate
665 mcg DFE
Vitamin B-12 (as Cyanocobalamin)
Vitamin B12
6 mcg
Biotin (as d-Biotin)
Vitamin B7
30 mcg
Pantothenic Acid (as d-Calcium Pantothenate)
Vitamin B5
5 mg
Calcium (as Calcium Carbonate)
Calcium
400 mg
Iron (as Ferrous Fumarate)
Iron
18 mg
Iodine (as Potassium Iodide)
150 mcg
Zinc (as Zinc Oxide)
Zinc
8 mg
Selenium (as Sodium Selenate)
Selenium
27.5 mcg
Copper (as Copper Sulfate)
Copper
900 mcg
Manganese (as Manganese Sulfate)
Manganese
1.8 mg
Chromium (as Chromium Chloride)
Chromium
25 mcg

Ingredient Research

Research Evidence

How this product's ingredient doses compare to doses studied in research.

  • Vitamin C84 mg
    Studies used 12–1,200 mg/day (median 250) across 15 studies
    Low end of studied doses
  • Vitamin E7.5 mg
    Studies used 5–1,200 mg/day (median 300) across 10 studies
    Low end of studied doses
    Form mismatch: this product uses Alpha-Tocopherol. Most research support uses α-Te (1 study).
  • Vitamin B21.3 mg
    Studies used 20–1,200 mg/day (median 100) across 5 studies
    Below studied range
  • Vitamin B316 mg
    Studies used 100–3,000 mg/day (median 714) across 9 studies
    Below studied range
  • Vitamin B61.7 mg
    Studies used 19–1,200 mg/day (median 80) across 6 studies
    Below studied range
  • Vitamin B126 mcg
    Studies used 250–1,000 mcg/day (median 1,000) across 3 studies
    Below studied range
  • Vitamin B730 mcg
    Studies used 10,000 mcg/day (median 10,000) across 1 study
    Below studied range
  • Calcium400 mg
    Studies used 500–1,000 mg/day (median 750) across 4 studies
    Below studied range
    Form mismatch: this product uses Carbonate. Most research support uses Calcium Carbonate (1 study).
  • Iron18 mg
    Studies used 4.2–105 mg/day (median 24.85) across 4 studies
    In typical studied range
    Form mismatch: this product uses Ferrous Fumarate. Most research support uses Elemental Iron (1 study).
  • Zinc8 mg
    Studies used 10–100 mg/day (median 55) across 2 studies
    Below studied range
  • Chromium25 mcg
    Studies used 200–400 mcg/day (median 300) across 2 studies
    Below studied range

Research-supported combinations

Ingredient pairs in this product that have synthesised research evidence together.

  • Low evidenceVitamin E + Vitamin Cfor Reduced Pain· 3 studies

    Across 3 studies, all reported beneficial effects of the Vitamin E and Vitamin C combination on pain reduction, with effect sizes ranging from small to moderate and all findings statistically significant. Compared to Vitamin C alone (moderate evidence, small effect), the combination shows a similar directional benefit but the limited number of studies precludes a definitive comparison. The median study duration was 60 days (reported in 1 of 3 studies). No form data were reported for either substance.

Product Description

  • Daily Vitality: Provides essential vitamins and minerals to support women's overall health and daily energy levels.
  • Immune Support: Vitamin C and Zinc help bolster your immune system, keeping you resilient year-round.
  • Bone Health: Fortified with Vitamin D3 and Calcium to help maintain strong bones and teeth.
  • Skin and Hair: Biotin and Vitamin E contribute to healthier skin and luscious hair.
  • Heart Health: Folate and Vitamin B-6 support cardiovascular health for long-term wellness.
  • Cognitive Function: Iron and B Vitamins aid in improving mental clarity and focus throughout the day.
  • Thyroid Support: Iodine plays a crucial role in maintaining proper thyroid function.
  • Antioxidant Protection: Vitamin A and Selenium help protect cells from oxidative stress.
  • Stress Reduction: Niacin and Pantothenic Acid support adrenal function, aiding in managing stress more effectively.
  • Non GMO & Gluten Free: A product you can trust, crafted without genetically modified organisms and gluten-free for those with specific dietary needs.
  • One Tablet Daily: Convenient once-a-day dosage ensures you get the comprehensive nutrition you need without the hassle.

Made by 21st Century, known for its commitment to quality and innovation in nutritional supplements.

Other ingredients

  • Gum acacia
  • cellulose
  • starch
  • Croscarmellose sodium
  • dicalcium phosphate
  • gelatin
  • magnesium silicate
  • magnesium stearate
  • polyethylene glycol
  • polysorbate
  • polyvinyl alcohol
  • silicon dioxide
  • stearic acid

Free of

  • yeast
  • artificial sweeteners
  • colors
  • flavors

Serving Size: 1

Servings per Container: 100

Pill Type: Tablet

Flavor: -

UPC: 740985273081

Available From
Available From
MerchantPriceStockAction
Amazon
$-
Out
iHerb
$5.42
In
Vitacost
$-
Out
Vitamin Shoppe
$-
Out

Related Products

Receive personalized nutrition and supplementation advice

See Recommendations

Existing customer? Sign In

Back to top