21st Century

One Daily Women's

C+
N+ Score76
Collagen & BeautyServing: 1 Tablet(s)Type: Multi-Vitamin and Mineral (MVM)

21st Century One Daily Women's is a multi-vitamin and mineral supplement specifically formulated for women. It contains a spectrum of vitamins such as A, C, D, E, K, and B-vitamins, alongside other minerals. This product has an N+ Score of 76, signifying a good quality product.

About This Product

One Daily Women's by 21st Century is a collagen & beauty supplement containing 21 active ingredients. It has earned an N+ Score of 76/100 (Grade C+).

This product features a fully transparent label with individual ingredient amounts disclosed, and key ingredients are present at clinically effective doses based on peer-reviewed research.

Notable clinical-dose ingredients include Thiamine, Riboflavin, Niacin and 16 more.

N+ Score Breakdown

Ingredient Adequacy79/100

Are key ingredients present at clinically effective doses based on research?

Formula Completeness33/100

Does the product include all expected ingredients for its supplement category?

Label Transparency100/100

Are individual ingredient amounts clearly disclosed without proprietary blends?

Ingredient Diversity100/100

Does the formula include a breadth of beneficial compounds from multiple pathways?

Strengths

  • +Key ingredients at clinically effective doses
  • +Fully transparent label with individual ingredient amounts disclosed
  • +Broad ingredient diversity exceeding category norms
  • +19 ingredient(s) at clinical dose levels
  • +Rich formula with 21 active ingredients

Weaknesses

  • Missing several expected ingredients for its category

Ingredient Analysis (21 ingredients)

IngredientAmountDose Adequacy
Vitamin K25.000 mcgUnder
Thiamine1.500 mgOptimal
Riboflavin1.700 mgOptimal
Niacin10.000 mgAdequate
Vitamin B62.000 mgOptimal
Vitamin B126.000 mcgOptimal
Biotin30.000 mcgOptimal
Pantothenic Acid5.000 mgOptimal
Vitamin A2500.000 IUOptimal
Vitamin C60.000 mgAdequate
Vitamin D800.000 IUAdequate
Vitamin E30.000 IUOptimal
Calcium450.000 mgAdequate
Iron18.000 mgOptimal
Magnesium50.000 mgUnder
Zinc15.000 mgOptimal
Selenium20.000 mcgAdequate
Copper2.000 mgOptimal
Manganese2.000 mgOptimal
Chromium120.000 mcgOptimal
Folic Acid400.000 mcgOptimal

Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.