Vitamin D and Zinc: study protocols
22 study groups took Vitamin D together with Zinc. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin D
14 study groups in 12 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 and 5 mcg to 10 mcg and 10 mcg to 25 mcg, 29% of 14 study groups each.
| Daily dose | Study groups |
|---|---|
| 1 mcg or less | 1 |
| 1 mcg to 2.5 mcg | 1 |
| 2.5 mcg to 5 mcg | 4 |
| 5 mcg to 10 mcg | 4 |
| 10 mcg to 25 mcg | 4 |
Dose per serving from research: Zinc
22 study groups in 20 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, 32% of 22 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mg to 2.5 mg | 4 |
| 2.5 mg to 5 mg | 2 |
| 5 mg to 10 mg | 6 |
| 10 mg to 25 mg | 7 |
| 25 mg to 50 mg | 3 |
Commonly used together
20 of 22 study groups took Vitamin D and Zinc 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 |
|---|---|
| Calcium | 9 |
| Magnesium | 9 |
| Vitamin B12 | 9 |
| Iron | 7 |
| Vitamin C | 7 |
| Copper | 6 |
| Folic Acid | 6 |
| Selenium | 6 |
| Vitamin A | 6 |
| Vitamin B6 | 6 |
22 study groups