Zinc, Vitamin D and Iron: study protocols
13 study groups took Zinc together with Vitamin D and Iron. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Zinc
13 study groups in 12 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, 46% of 13 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg or less | 1 |
| 5 mg to 10 mg | 6 |
| 10 mg to 25 mg | 3 |
| 25 mg to 50 mg | 3 |
Dose per serving from research: Vitamin D
8 study groups in 8 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, 75% of 8 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mcg to 5 mcg | 6 |
| 5 mcg to 10 mcg | 2 |
Dose per serving from research: Iron
10 study groups in 9 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 10 mg to 25 mg, 30% of 10 study groups each.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 3 |
| 10 mg to 25 mg | 3 |
| 25 mg to 50 mg | 2 |
| 50 mg to 100 mg | 2 |
Commonly used together
13 of 13 study groups took Zinc, Vitamin D and Iron with something else. Shown: what 3 or more different studies gave. The 10 most common of 15.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Vitamin C | 12 |
| Vitamin A | 11 |
| Copper | 10 |
| Vitamin E | 10 |
| Folic Acid | 9 |
| Iodine | 9 |
| Vitamin B12 | 9 |
| Niacin | 8 |
| Vitamin B6 | 8 |
| Selenium | 7 |
13 study groups