Folic Acid, Vitamin B6, Vitamin D and Iron: study protocols
10 study groups took Folic Acid together with Vitamin B6, Vitamin D and Iron. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Folic Acid
10 study groups in 8 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, 90% of 10 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mcg to 500 mcg | 9 |
| 500 mcg to 1 mg | 1 |
Dose per serving from research: Vitamin B6
10 study groups in 8 studies say how much Vitamin B6 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 1 mg to 2.5 mg, 80% of 10 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mg or less | 1 |
| 1 mg to 2.5 mg | 8 |
| over 2.5 mg | 1 |
Dose per serving from research: Vitamin D
5 study groups in 3 studies say how much Vitamin D participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 100 IU to 250 IU, 80% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 100 IU or less | 1 |
| 100 IU to 250 IU | 4 |
Dose per serving from research: Iron
9 study groups in 7 studies say how much Iron participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 25 mg to 50 mg, 78% of 9 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 1 |
| 10 mg to 25 mg | 1 |
| 25 mg to 50 mg | 7 |
Commonly used together
10 of 10 study groups took Folic Acid, Vitamin B6, Vitamin D and Iron 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 |
|---|---|
| Vitamin B12 | 10 |
| Vitamin A | 9 |
| Vitamin C | 9 |
| Vitamin E | 9 |
| Zinc | 9 |
| Copper | 8 |
| Iodine | 8 |
| Niacin | 8 |
| Riboflavin | 7 |
| Selenium | 7 |
10 study groups