Vitamin D, Zinc and Vitamin A: study protocols
6 study groups took Vitamin D together with Zinc and Vitamin A. These are the doses the studies gave. They are not a recommendation.
Fewer than 5 study groups in one unit match, too few to draw the chart.
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: 10 mg to 25 mg, 67% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mg to 25 mg | 4 |
| 25 mg to 50 mg | 2 |
Commonly used together
6 of 6 study groups took Vitamin D, Zinc and Vitamin A with something else. Shown: what 3 or more different studies gave. The 10 most common of 11.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Vitamin B12 | 6 |
| Iron | 5 |
| Copper | 4 |
| Vitamin B6 | 4 |
| Vitamin C | 4 |
| Vitamin E | 4 |
| Folic Acid | 3 |
| Iodine | 3 |
| Riboflavin | 3 |
| Selenium | 3 |
6 study groups