Selenium and Vitamin C: study protocols
11 study groups took Selenium together with Vitamin C. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Selenium
11 study groups in 8 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, 64% of 11 study groups.
| Daily dose | Study groups |
|---|---|
| 25 mcg or less | 1 |
| 25 mcg to 50 mcg | 0 |
| 50 mcg to 100 mcg | 7 |
| 100 mcg to 250 mcg | 1 |
| 250 mcg to 500 mcg | 2 |
Dose per serving from research: Vitamin C
11 study groups in 8 studies say how much Vitamin C participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 100 mg to 250 mg, 45% of 11 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mg or less | 1 |
| 50 mg to 100 mg | 2 |
| 100 mg to 250 mg | 5 |
| 250 mg to 500 mg | 3 |
Commonly used together
11 of 11 study groups took Selenium and Vitamin C with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Beta-Carotene | 8 |
| Vitamin E | 8 |
| Zinc | 6 |
11 study groups