Vitamin D, Vitamin B12 and Iron: study protocols
5 study groups took Vitamin D together with Vitamin B12 and Iron. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin D
5 study groups in 4 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: Vitamin B12
5 study groups in 4 studies say how much Vitamin B12 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 1 mcg to 2.5 mcg and 2.5 mcg to 5 mcg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 1 mcg to 2.5 mcg | 2 |
| 2.5 mcg to 5 mcg | 2 |
| over 5 mcg | 1 |
Commonly used together
5 of 5 study groups took Vitamin D, Vitamin B12 and Iron with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Riboflavin | 4 |
| Vitamin B6 | 4 |
| Folic Acid | 3 |
| Zinc | 3 |
5 study groups