Zinc, Vitamin D and Folic Acid: study protocols
9 study groups took Zinc together with Vitamin D and Folic Acid. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Zinc
9 study groups in 8 studies say how much Zinc participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 5 mg to 10 mg and 25 mg to 50 mg, 33% of 9 study groups each.
| Daily dose | Study groups |
|---|---|
| 5 mg or less | 1 |
| 5 mg to 10 mg | 3 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 3 |
Dose per serving from research: Vitamin D
5 study groups in 5 studies say how much Vitamin D participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 2.5 mcg to 5 mcg, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mcg to 5 mcg | 3 |
| 5 mcg to 10 mcg | 2 |
Dose per serving from research: Folic Acid
8 study groups in 7 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, 50% of 8 study groups.
| Daily dose | Study groups |
|---|---|
| 100 mcg to 250 mcg | 2 |
| 250 mcg to 500 mcg | 4 |
| 500 mcg to 1 mg | 2 |
Commonly used together
9 of 9 study groups took Zinc, Vitamin D and Folic Acid 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 |
|---|---|
| Iron | 9 |
| Vitamin C | 8 |
| Vitamin A | 7 |
| Copper | 6 |
| Vitamin E | 6 |
| Iodine | 5 |
| Selenium | 5 |
| Vitamin B12 | 5 |
| Niacin | 4 |
| Riboflavin | 4 |
9 study groups