Vitamin A, Vitamin D, Vitamin B6, Vitamin B12 and Zinc: study protocols
6 study groups took Vitamin A together with Vitamin D, Vitamin B6, Vitamin B12 and Zinc. These are the doses the studies gave. They are not a recommendation.
Fewer than 5 study groups in one unit match, too few to draw the chart.
Dose per serving from research: Vitamin D
5 study groups in 5 studies say how much Vitamin D participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 2.5 mcg to 5 mcg, 80% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mcg to 5 mcg | 4 |
| 5 mcg to 10 mcg | 1 |
Dose per serving from research: Vitamin B6
6 study groups in 6 studies say how much Vitamin B6 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 1 mg to 2.5 mg, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mcg to 500 mcg | 2 |
| 500 mcg to 1 mg | 1 |
| 1 mg to 2.5 mg | 3 |
Dose per serving from research: Vitamin B12
6 study groups in 6 studies say how much Vitamin B12 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 0.5 mcg to 1 mcg and 2.5 mcg to 5 mcg, 33% of 6 study groups each.
| Daily dose | Study groups |
|---|---|
| 0.5 mcg to 1 mcg | 2 |
| 1 mcg to 2.5 mcg | 1 |
| 2.5 mcg to 5 mcg | 2 |
| 5 mcg to 10 mcg | 1 |
Dose per serving from research: Zinc
6 study groups in 6 studies say how much Zinc participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 10 mg to 25 mg, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 3 |
| 25 mg to 50 mg | 1 |
Commonly used together
6 of 6 study groups took Vitamin A, Vitamin D, Vitamin B6, Vitamin B12 and Zinc with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Copper | 5 |
| Iron | 5 |
| Vitamin C | 5 |
| Vitamin E | 5 |
| Iodine | 4 |
| Niacin | 4 |
| Folate | 3 |
| Riboflavin | 3 |
| Thiamine | 3 |
| Vitamin K | 3 |
6 study groups
| Study | |||||||
|---|---|---|---|---|---|---|---|
| Effects of multimicronutrient supplementation on helminth reinfection: a randomized, controlled trial in Kenyan schoolchildren 2003 · multimicronutrient supplementation · Schoolchildren in Nyanza Province, Kenya; age and sex not specified | 1 mg | 5 mcg | 1.7 mg | 2 mcg | 20 mg | 335 days | — |
| Effects of maternal micronutrient supplementation on fetal loss and infant mortality: a cluster-randomized trial in Nepal 2003 · Multiple micronutrients · Pregnant women in rural Nepal | 1 mg | 10 mcg | 2.2 mg | 2.6 mcg | 30 mg | — | — |
| Effect of micronutrient supplementation on diarrhoeal disease among stunted children in rural South Africa 2009 · multiple micronutrients · children aged 6–24 months; three cohorts: HIV-infected children, HIV-uninfected children born to HIV-infected mothers, and HIV-uninfected children born to HIV-uninfected mothers | 1,250 IU | 5 mcg | 500 mcg | 0.9 mcg | 10 mg | 548 days | — |
| Effect on longitudinal growth and anemia of zinc or multiple micronutrients added to vitamin A: a randomized controlled trial in children aged 6-24 months 2010 · Multiple micronutrients · Children enrolled at 6 months and followed to 24 months in rural South Africa; HIV-infected and HIV-uninfected children, both sexes | 1,250 IU | 5 mcg | 500 mcg | 0.9 mcg | 10 mg | 548 days | 126 |
| Effect of zinc plus multivitamin supplementation on growth in school children 2016 · Chelated zinc plus multivitamins · Healthy Thai schoolchildren aged 4–13 years | 1,000 IU | 200 IU | 1 mg | 10 mcg | 20 mg | 26 weeks | 70 |
| Newborn micronutrient status biomarkers in a cluster-randomized trial of antenatal multiple micronutrient compared with iron folic acid supplementation in rural Bangladesh 2020 · MM · Pregnant women in rural Bangladesh; age range not specified; no disease condition specified | 770 mcg | 5 mcg | 1.9 mg | 2.6 mcg | 12 mg | — | 176 |