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One A Day One A Day Women's Complete Multivitamin
SPECIMEN #ONE-A-DA
MultivitaminOne A Day

One A Day Women's Complete Multivitamin

A daily foundational multivitamin for women to fill nutritional gaps.. While many vitamins are well-dosed, the product falls short on critical minerals for women, notably calcium and magnesium. These significant underdosages prevent it from being a truly 'complete' or strong multivitamin.

6.8/10
GOOD

Broad vitamin coverage meets RDA levels, but key minerals are significantly underdosed. Magnesium at 50mg (12% of optimal), calcium at 300mg (30% of optimal), and vitamin D3 at 1000 IU (25% of optimal) are the biggest gaps. Zinc at 24mg is solid. No iron included, which is notable for a women's formula. B12 at 25mcg is far below the 250mcg minimum effective threshold.

23 ingredientsTablets100 servings
Evidence
7.0
Dosing
3.8
Synergy
6.0
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What We Like

  • Good doses of most B vitamins
  • Adequate Vitamin C, D3, and E
  • Important folic acid for women

Watch Out For

  • Severely underdosed calcium
  • Severely underdosed magnesium
  • Underdosed vitamin K and selenium
  • High zinc and manganese for daily use

What We Analyzed

One A Day Women's Complete Multivitamin Supplement Facts

Verified Supplement Facts

Every dose checked against clinical research

We analyzed the actual supplement facts panel for this product. Every ingredient dose below was cross-referenced with published clinical trials to determine if it matches what studies actually use.

23 ingredients analyzed3 at clinical doses17 underdosed

Source: Official product page

Ingredient Breakdown

3 clinical2 adequate17 underdosed
Clinical Adequate Underdosed Overdosed|Bar = % of clinical dose
IngredientDoseStatusvs. Clinical
Vitamin A10.0
3500 IUADEQUATE
70%
3500 IU

of 5000IU

ADEQUATE
70%
Vitamin C10.0
120 mgUNDERDOSED
12%
120 mg

of 1000mg

UNDERDOSED
12%
Vitamin D310.0
1000 IUUNDERDOSED
25%
1000 IU

of 4000IU

UNDERDOSED
25%
Vitamin E8.0
30 IUUNDERDOSED
8%
30 IU

of 400IU

UNDERDOSED
8%
Vitamin K10.0
20 mcgUNDERDOSED
10%
20 mcg

of 200mcg

UNDERDOSED
10%
Thiamin (B1)9.0
4.5 mgUNDERDOSED
9%
4.5 mg

of 50mg

UNDERDOSED
9%
Riboflavin (B2)9.0
3.4 mgUNDERDOSED
14%
3.4 mg

of 25mg

UNDERDOSED
14%
Niacin8.0
20 mgUNDERDOSED
20%
20 mg

of 100mg

UNDERDOSED
20%
In our database (click to learn more) Not yet reviewed

Our Analysis

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