supp.fit
All Zinc study protocols

Zinc, Iron, Iodine and Vitamin D: study protocols

8 study groups took Zinc together with Iron, Iodine 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

8 study groups in 7 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, 50% of 8 study groups.

Daily doseStudy groups
5 mg to 10 mg
4
10 mg to 25 mg
2
25 mg to 50 mg
2

Dose per serving from research: Iron

7 study groups in 6 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 and 25 mg to 50 mg and 50 mg to 100 mg, 29% of 7 study groups each.

Daily doseStudy groups
5 mg to 10 mg
2
10 mg to 25 mg
1
25 mg to 50 mg
2
50 mg to 100 mg
2

Dose per serving from research: Iodine

8 study groups in 7 studies say how much Iodine participants took a day.

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

Most common: 100 mcg to 250 mcg, 38% of 8 study groups.

Daily doseStudy groups
25 mcg to 50 mcg
2
50 mcg to 100 mcg
1
100 mcg to 250 mcg
3
250 mcg to 500 mcg
2

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 doseStudy groups
2.5 mcg to 5 mcg
4
5 mcg to 10 mcg
1

Commonly used together

8 of 8 study groups took Zinc, Iron, Iodine and Vitamin D with something else. Shown: what 3 or more different studies gave. The 10 most common of 13.

What was given together, not what works together.

Taken withStudy groups
Copper
7
Vitamin A
7
Vitamin C
7
Vitamin E
7
Vitamin B12
6
Folic Acid
5
Niacin
5
Selenium
5
Vitamin B6
5
Vitamin K
3

8 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 mg10 mg50 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—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 mg10 mg50 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 mg12 mg150 mcg10 mcg—870
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 mg27 mg220 mcg5 mcg165 days749
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 mg27 mg220 mcg5 mcg—176
mRNA Levels of Placental Iron and Zinc Transporter Genes Are Upregulated in Gambian Women with Low Iron and Zinc Status
2017 · MMN group · Pregnant women aged 18–45 years with singleton pregnancies under 20 weeks in rural Gambia
30 mg60 mg300 mcg400 IU184 days75
mRNA Levels of Placental Iron and Zinc Transporter Genes Are Upregulated in Gambian Women with Low Iron and Zinc Status
2017 · PE+MMN group · Pregnant women aged 18–45 years with singleton pregnancies under 20 weeks in rural Gambia
30 mg60 mg300 mcg400 IU184 days75