Folic Acid, Vitamin D and Vitamin B12: study protocols
13 study groups took Folic Acid together with Vitamin D and Vitamin B12. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Folic Acid
13 study groups in 11 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, 69% of 13 study groups.
| Daily dose | Study groups |
|---|---|
| 100 mcg or less | 1 |
| 100 mcg to 250 mcg | 1 |
| 250 mcg to 500 mcg | 9 |
| 500 mcg to 1 mg | 2 |
Dose per serving from research: Vitamin D
6 study groups in 6 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 and 5 mcg to 10 mcg, 50% of 6 study groups each.
| Daily dose | Study groups |
|---|---|
| 2.5 mcg to 5 mcg | 3 |
| 5 mcg to 10 mcg | 3 |
Dose per serving from research: Vitamin B12
13 study groups in 11 studies say how much Vitamin B12 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 2.5 mcg to 5 mcg, 69% of 13 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mcg or less | 1 |
| 1 mcg to 2.5 mcg | 1 |
| 2.5 mcg to 5 mcg | 9 |
| 5 mcg to 10 mcg | 2 |
Commonly used together
13 of 13 study groups took Folic Acid, Vitamin D and Vitamin B12 with something else. Shown: what 3 or more different studies gave. The 10 most common of 12.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Vitamin B6 | 12 |
| Iron | 11 |
| Vitamin A | 11 |
| Vitamin C | 11 |
| Vitamin E | 11 |
| Zinc | 11 |
| Copper | 10 |
| Iodine | 10 |
| Niacin | 9 |
| Selenium | 9 |
13 study groups