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All study protocols

Multivitamin: study protocols

9 study groups say how much Multivitamin participants took a day. These are the doses the studies gave. They are not a recommendation.

Multivitamin: what the research found →

Dose per serving from research

8 study groups in 5 studies say how much Multivitamin participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 500 mg to 1 g, 63% of 8 study groups.

Daily doseStudy groups
50 mg or less
1
50 mg to 100 mg
0
100 mg to 250 mg
2
250 mg to 500 mg
0
500 mg to 1 g
5

Commonly used together

8 of 9 study groups took Multivitamin with something else. Shown: what 3 or more different studies gave.

What was given together, not what works together.

Taken withStudy groups
Vitamin A
3

9 study groups

Study
Multivitamin and iron supplementation to prevent periconceptional anemia in rural tanzanian women: a randomized, controlled trial
2015 · Folic acid, iron, multivitamins · Non-pregnant women and adolescent girls aged 15–29 years in rural Tanzania
2,500 IU26 weeks267
Supplementation with multivitamins and vitamin A and incidence of malaria among HIV-infected Tanzanian women
2014 · multivitamins without vitamin A · HIV-infected pregnant women in Tanzania
146 mg1249 days—
Supplementation with multivitamins and vitamin A and incidence of malaria among HIV-infected Tanzanian women
2014 · multivitamins with vitamin A · HIV-infected pregnant women in Tanzania
146 mg1249 days—
Multivitamin supplementation in HIV-positive pregnant women: impact on depression and quality of life in a resource-poor setting
2007 · multivitamins excluding vitamin A · HIV-positive pregnant women, enrolled at 12–27 weeks’ gestation
696 mg193 weeks—
Multivitamin supplementation in HIV-positive pregnant women: impact on depression and quality of life in a resource-poor setting
2007 · multivitamins plus vitamin A · HIV-positive pregnant women, enrolled at 12–27 weeks’ gestation
696 mg193 weeks—
A randomised comparison of increase in serum 25-hydroxyvitamin D concentration after 4 weeks of daily oral intake of 10 microg cholecalciferol from multivitamin tablets or fish oil capsules in healthy young adults
2007 · multivitamin tablets · Healthy adults aged 19–49 years
10 mcg4 weeks28
Effect of daily versus weekly home fortification with multiple micronutrient powder on haemoglobin concentration of young children in a rural area, Lao People's Democratic Republic: a randomised trial
2011 · Daily multiple micronutrients supplementation (DS) · Children aged 6–53 months in rural Lao PDR, apparently healthy and receiving complementary food; children were not selected for a diagnosed condition
1 g24 weeks110
Effect of vitamin supplementation on breast milk concentrations of retinol, carotenoids and tocopherols in HIV-infected Tanzanian women
2009 · multivitamins without vitamin A and β-carotene (MV) · HIV-infected pregnant women enrolled at 12–27 weeks of gestation in Dar es Salaam, Tanzania; women breastfeeding postpartum
666 mg——
Effect of vitamin supplementation on breast milk concentrations of retinol, carotenoids and tocopherols in HIV-infected Tanzanian women
2009 · multivitamins including vitamin A and β-carotene · HIV-infected pregnant women enrolled at 12–27 weeks of gestation in Dar es Salaam, Tanzania; women breastfeeding postpartum
565 mg——