Zinc, Iron, Vitamin A, Vitamin B12 and Iodine: study protocols
6 study groups took Zinc together with Iron, Vitamin A, Vitamin B12 and Iodine. These are the doses the studies gave. They are not a recommendation.
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: 5 mg to 10 mg, 67% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 4 |
| 10 mg to 25 mg | 2 |
Dose per serving from research: Iron
5 study groups in 5 studies say how much Iron participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 5 mg to 10 mg, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 3 |
| 10 mg to 25 mg | 0 |
| 25 mg to 50 mg | 2 |
Dose per serving from research: Vitamin B12
5 study groups in 5 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, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 0.5 mcg to 1 mcg | 3 |
| 1 mcg to 2.5 mcg | 0 |
| 2.5 mcg to 5 mcg | 2 |
Dose per serving from research: Iodine
6 study groups in 6 studies say how much Iodine participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 25 mcg to 50 mcg and 50 mcg to 100 mcg and 100 mcg to 250 mcg, 33% of 6 study groups each.
| Daily dose | Study groups |
|---|---|
| 25 mcg to 50 mcg | 2 |
| 50 mcg to 100 mcg | 2 |
| 100 mcg to 250 mcg | 2 |
Commonly used together
6 of 6 study groups took Zinc, Iron, Vitamin A, Vitamin B12 and Iodine with something else. Shown: what 3 or more different studies gave. The 10 most common of 12.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Copper | 6 |
| Vitamin C | 6 |
| Vitamin E | 6 |
| Vitamin B6 | 5 |
| Vitamin D | 5 |
| Selenium | 4 |
| vitamin B1 | 4 |
| vitamin B2 | 4 |
| Folic Acid | 3 |
| Niacin | 3 |
6 study groups
| Study | |||||||
|---|---|---|---|---|---|---|---|
| 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 | 10 mg | 10 mg | 1,250 IU | 0.9 mcg | 50 mcg | 548 days | — |
| Effect of preventive supplementation with zinc and other micronutrients on non-malarial morbidity in Tanzanian pre-school children: a randomized trial 2012 · Multi-nutrients with zinc · Children aged 6–60 months with height-for-age z-score ≤−1.5 SD, in rural Tanzania | 10 mg | — | — | — | 90 mcg | — | 151 |
| 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 | 10 mg | 10 mg | 1,250 IU | 0.9 mcg | 50 mcg | 548 days | 126 |
| Antenatal Multiple Micronutrient Supplementation Compared to Iron-Folic Acid Affects Micronutrient Status but Does Not Eliminate Deficiencies in a Randomized Controlled Trial Among Pregnant Women of Rural Bangladesh 2019 · MM · Pregnant women aged 12–45 years in rural Bangladesh | 12 mg | 27 mg | 770 mcg | 2.6 mcg | 220 mcg | 165 days | 749 |
| 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 | 12 mg | 27 mg | 770 mcg | 2.6 mcg | 220 mcg | — | 176 |
| Multiple micronutrient supplementation improves micronutrient status in primary school children in Hai Phong City, Vietnam: a randomised controlled trial 2021 · intervention · Children aged 6–9 years, apparently healthy, in rural Hai Phong City, Vietnam; included undernourished, normal-weight, and overweight/obese children | 10 mg | 10 mg | 400 mcg | 0.9 mcg | 90 mcg | 22 weeks | 175 |