Multivitamin and Vitamin C: study protocols

5 study groups took Multivitamin together with Vitamin C. These are the doses the studies gave. They are not a recommendation.

Dose per serving from research: Multivitamin

5 study groups in 3 studies say how much Multivitamin participants took a day.

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

Most common: 100 mg to 250 mg and 2.5 g to 5 g, 40% of 5 study groups each.

5 study groups in 3 studies say how much Vitamin C participants took a day.

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

Most common: 250 mg to 500 mg, 60% of 5 study groups.

5 of 5 study groups took Multivitamin and Vitamin C with something else, but nothing that 3 or more different studies gave.

5 study groups

Study
Regular vitamin C supplementation during pregnancy reduces hospitalization: outcomes of a Ugandan rural cohort study 2010 · Vitamin C group · Pregnant women aged at least 18, enrolled at 4–12 gestational weeks in Uganda	65 mg	400 mg	—	187
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 mg	500 mg	1249 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 mg	500 mg	1249 days	—
Multiple micronutrient supplementation improves vitamin B₁₂ and folate concentrations of HIV infected children in Uganda: a randomized controlled trial 2011 · 'Standard of care' multivitamin (MV) · HIV-infected children aged 1–5 years	4 g	25 mg	26 weeks	110
Multiple micronutrient supplementation improves vitamin B₁₂ and folate concentrations of HIV infected children in Uganda: a randomized controlled trial 2011 · Multiple micronutrient supplementation (MMS) · HIV-infected children aged 1–5 years	4 g	50 mg	26 weeks	104