Vitamin D, Zinc and Selenium: study protocols
6 study groups took Vitamin D together with Zinc and Selenium. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin D
6 study groups in 6 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, 67% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mcg or less | 1 |
| 1 mcg to 2.5 mcg | 0 |
| 2.5 mcg to 5 mcg | 4 |
| 5 mcg to 10 mcg | 0 |
| 10 mcg to 25 mcg | 1 |
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, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mg or less | 1 |
| 2.5 mg to 5 mg | 0 |
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 3 |
Dose per serving from research: Selenium
6 study groups in 6 studies say how much Selenium participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 50 mcg to 100 mcg, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mcg or less | 1 |
| 10 mcg to 25 mcg | 1 |
| 25 mcg to 50 mcg | 1 |
| 50 mcg to 100 mcg | 3 |
Commonly used together
6 of 6 study groups took Vitamin D, Zinc and Selenium with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Copper | 4 |
| Folic Acid | 4 |
| Iron | 4 |
| Vitamin B12 | 4 |
| Vitamin C | 4 |
| Vitamin E | 4 |
| Iodine | 3 |
| Vitamin A | 3 |
| Vitamin B6 | 3 |
6 study groups