Zinc, Vitamin D, Vitamin C, Vitamin B12 and Selenium: study protocols
5 study groups took Zinc together with Vitamin D, Vitamin C, Vitamin B12 and Selenium. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Zinc
5 study groups in 5 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, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 3 |
Dose per serving from research: Selenium
5 study groups in 5 studies say how much Selenium participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 10 mcg to 25 mcg and 50 mcg to 100 mcg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 10 mcg to 25 mcg | 2 |
| 25 mcg to 50 mcg | 1 |
| 50 mcg to 100 mcg | 2 |
Commonly used together
5 of 5 study groups took Zinc, Vitamin D, Vitamin C, Vitamin B12 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 | 5 |
| Iron | 5 |
| Vitamin E | 5 |
| Iodine | 4 |
| Vitamin A | 4 |
| Vitamin B6 | 4 |
| Folic Acid | 3 |
| Niacin | 3 |
5 study groups