Vitamin E, Zinc and Vitamin C: study protocols
23 study groups took Vitamin E together with Zinc and Vitamin C. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin E
14 study groups in 14 studies say how much Vitamin E participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 25 mg to 50 mg, 36% of 14 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mg to 2.5 mg | 2 |
| 2.5 mg to 5 mg | 1 |
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 4 |
| 25 mg to 50 mg | 5 |
Dose per serving from research: Zinc
23 study groups in 19 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, 48% of 23 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mg to 5 mg | 3 |
| 5 mg to 10 mg | 1 |
| 10 mg to 25 mg | 11 |
| 25 mg to 50 mg | 1 |
| 50 mg to 100 mg | 7 |
Dose per serving from research: Vitamin C
23 study groups in 19 studies say how much Vitamin C participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 250 mg to 500 mg, 39% of 23 study groups.
| Daily dose | Study groups |
|---|---|
| 25 mg to 50 mg | 2 |
| 50 mg to 100 mg | 5 |
| 100 mg to 250 mg | 7 |
| 250 mg to 500 mg | 9 |
Commonly used together
23 of 23 study groups took Vitamin E, Zinc 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 | 14 |
| Copper | 11 |
| Selenium | 11 |
| Iron | 5 |
| Vitamin A | 5 |
| Folic Acid | 4 |
| Vitamin B12 | 4 |
| Iodine | 3 |
| Vitamin B6 | 3 |
| Vitamin D | 3 |
23 study groups