Vitamin E and Vitamin C: study protocols
47 study groups took Vitamin E together with Vitamin C. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin E
25 study groups in 20 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, 40% of 25 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mg or less | 2 |
| 2.5 mg to 5 mg | 1 |
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 6 |
| 25 mg to 50 mg | 10 |
| 50 mg to 100 mg | 1 |
| 100 mg to 250 mg | 2 |
| over 250 mg | 1 |
Dose per serving from research: Vitamin C
47 study groups in 32 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, 40% of 47 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mg or less | 2 |
| 50 mg to 100 mg | 7 |
| 100 mg to 250 mg | 11 |
| 250 mg to 500 mg | 19 |
| 500 mg to 1 g | 7 |
| over 1 g | 1 |
Commonly used together
39 of 47 study groups took Vitamin E and Vitamin C 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 |
|---|---|
| Zinc | 23 |
| Beta-Carotene | 21 |
| Selenium | 13 |
| Copper | 11 |
| Vitamin A | 7 |
| Folic Acid | 6 |
| Vitamin B12 | 6 |
| Iron | 5 |
| Vitamin B6 | 5 |
| Iodine | 3 |
47 study groups