Folic Acid, Zinc, Niacin and Vitamin E: study protocols
12 study groups took Folic Acid together with Zinc, Niacin and Vitamin E. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Folic Acid
12 study groups in 9 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, 83% of 12 study groups.
| Daily dose | Study groups |
|---|---|
| 100 mcg or less | 1 |
| 100 mcg to 250 mcg | 1 |
| 250 mcg to 500 mcg | 10 |
Dose per serving from research: Zinc
12 study groups in 9 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, 50% of 12 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg or less | 1 |
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 6 |
| 25 mg to 50 mg | 3 |
Dose per serving from research: Niacin
12 study groups in 9 studies say how much Niacin participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 10 mg to 25 mg, 67% of 12 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mg to 5 mg | 1 |
| 5 mg to 10 mg | 1 |
| 10 mg to 25 mg | 8 |
| 25 mg to 50 mg | 2 |
Dose per serving from research: Vitamin E
12 study groups in 9 studies say how much Vitamin E participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 5 mg to 10 mg, 58% of 12 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mg or less | 1 |
| 2.5 mg to 5 mg | 1 |
| 5 mg to 10 mg | 7 |
| 10 mg to 25 mg | 3 |
Commonly used together
12 of 12 study groups took Folic Acid, Zinc, Niacin and Vitamin E 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 |
|---|---|
| Copper | 12 |
| Vitamin A | 12 |
| Iodine | 11 |
| Iron | 11 |
| Selenium | 11 |
| Vitamin C | 11 |
| Vitamin D | 11 |
| Vitamin B12 | 9 |
| Vitamin B6 | 9 |
| Riboflavin | 8 |
12 study groups