Zinc, Vitamin C, Vitamin E, Folic Acid and Vitamin D: study protocols
5 study groups took Zinc together with Vitamin C, Vitamin E, Folic Acid and Vitamin D. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Zinc
5 study groups in 4 studies say how much Zinc participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 25 mg to 50 mg, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 3 |
Dose per serving from research: Vitamin C
5 study groups in 4 studies say how much Vitamin C participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 50 mg to 100 mg, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mg to 100 mg | 3 |
| 100 mg to 250 mg | 2 |
Dose per serving from research: Vitamin E
5 study groups in 4 studies say how much Vitamin E participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 10 mg to 25 mg, 80% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mg or less | 1 |
| 10 mg to 25 mg | 4 |
Dose per serving from research: Folic Acid
5 study groups in 4 studies say how much Folic Acid participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 250 mcg to 500 mcg, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mcg to 500 mcg | 3 |
| 500 mcg to 1 mg | 2 |
Commonly used together
5 of 5 study groups took Zinc, Vitamin C, Vitamin E, Folic Acid and Vitamin D 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 A | 5 |
| Iodine | 4 |
| Selenium | 4 |
| Vitamin B12 | 3 |
5 study groups