Zinc and Selenium: study protocols
19 study groups took Zinc together with Selenium. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Zinc
19 study groups in 15 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, 74% of 19 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 3 |
| 10 mg to 25 mg | 14 |
| 25 mg to 50 mg | 2 |
Dose per serving from research: Selenium
15 study groups in 12 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, 67% of 15 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mcg or less | 1 |
| 10 mcg to 25 mcg | 2 |
| 25 mcg to 50 mcg | 0 |
| 50 mcg to 100 mcg | 10 |
| 100 mcg to 250 mcg | 2 |
Commonly used together
17 of 19 study groups took Zinc and Selenium 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 C | 14 |
| Vitamin E | 14 |
| Copper | 9 |
| Iron | 8 |
| Beta-Carotene | 7 |
| Vitamin A | 7 |
| Iodine | 6 |
| Folic Acid | 5 |
| Vitamin D | 5 |
| Vitamin B12 | 4 |
19 study groups