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Adult Multivitamin/​Minerals Calculator

Calculator Instructions

Start by selecting the national study data of interest. Choose units and variability (95% confidence intervals and/or standard errors). Enter one or more ingredient amounts on label per serving to calculate predicted mean levels. The default values displayed below are the labeled amounts per serving, at their most common labeled levels and predicted mean levels.

Select all that apply
IngredientAmount on Label per ServingPredicted Analytical Content Compared to Label (mean % difference from label)Predicted Analytical Content (mean)
Value
-50%0%50%
Calcium
(20 - 500 mg)
8.11%
216 mg
Chromium
(10 - 250 mcg)
20.4%
144 mcg
Copper
(0.3 - 3.5 mg)
6.48%
2.13 mg
Iodine
(40 - 225 mcg)
20.1%
180 mcg
Iron
(0.8 - 28 mg)
0.84%
18.2 mg
Magnesium
(20 - 400 mg)
-0.21%
49.9 mg
Manganese
(0.5 - 7.5 mg)
7.43%
2.15 mg
Phosphorus
(20 - 130 mg)
15.2%
23 mg
Potassium
(50 - 100 mg)
2.5%
82 mg
Selenium
(20 - 250 mcg)
23.9%
68.1 mcg
Zinc
(1.5 - 42.3 mg)
4.55%
15.7 mg
Folic Acid
(13 - 900 mcg)
23.6%
494 mcg
Niacin
(5 - 200 mg)
4.48%
20.9 mg
Riboflavin
(Vitamin B-2)
(0.2 - 80 mg)
17.5%
2 mg
Thiamin
(Vitamin B-1)
(0.2 - 125 mg)
-3.48%
1.45 mg
Vitamin B-12
(1 - 250 mcg)
21.8%
7.31 mcg
Vitamin B-6
(0.3 - 100 mg)
9.1%
2.18 mg
Vitamin C
(4 - 1290 mg)
5.09%
63.1 mg
Vitamin D
(15 - 2000 IU)
40.6%
562 IU
Vitamin E
(Alpha-tocopherol)
(15 - 400 IU)
9.41%
32.8 IU
Vitamin A
(1000 - 20000 IU)
25.7%
4,400 IU

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