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All Zinc study protocols

Zinc, Vitamin B12, Vitamin B6 and Vitamin D: study protocols

6 study groups took Zinc together with Vitamin B12, Vitamin B6 and Vitamin D. These are the doses the studies gave. They are not a recommendation.

Zinc: what the research found →

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 doseStudy groups
5 mg to 10 mg
4
10 mg to 25 mg
1
25 mg to 50 mg
1

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 and 2.5 mcg to 5 mcg, 40% of 5 study groups each.

Daily doseStudy groups
0.5 mcg to 1 mcg
2
1 mcg to 2.5 mcg
0
2.5 mcg to 5 mcg
2
over 5 mcg
1

Dose per serving from research: Vitamin B6

5 study groups in 5 studies say how much Vitamin B6 participants took a day.

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

Most common: 250 mcg to 500 mcg and 1 mg to 2.5 mg, 40% of 5 study groups each.

Daily doseStudy groups
250 mcg to 500 mcg
2
500 mcg to 1 mg
0
1 mg to 2.5 mg
2
2.5 mg to 5 mg
1

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, 60% of 5 study groups.

Daily doseStudy groups
2.5 mcg to 5 mcg
3
5 mcg to 10 mcg
2

Commonly used together

6 of 6 study groups took Zinc, Vitamin B12, Vitamin B6 and Vitamin D 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 withStudy groups
Iron
6
Copper
5
Iodine
5
Vitamin A
5
Vitamin C
5
Vitamin E
5
Niacin
4
Vitamin K
4
Folic Acid
3
folate
3

6 study groups

Study
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
30 mg2.6 mcg2.2 mg10 mcg——
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 mg0.9 mcg500 mcg5 mcg548 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————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 mg0.9 mcg500 mcg5 mcg548 days126
Maternal B-vitamin and vitamin D status before, during, and after pregnancy and the influence of supplementation preconception and during pregnancy: Prespecified secondary analysis of the NiPPeR double-blind randomized controlled trial
2023 · intervention · Women planning pregnancy; generally healthy, recruited before conception
10 mg5.2 mcg2.6 mg10 mcg—870
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 mg2.6 mcg1.9 mg5 mcg—176