Vitamin B12, Vitamin D, Iron and Vitamin B6: study protocols
6 study groups took Vitamin B12 together with Vitamin D, Iron and Vitamin B6. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin B12
6 study groups in 5 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, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mcg to 2.5 mcg | 2 |
| 2.5 mcg to 5 mcg | 3 |
| over 5 mcg | 1 |
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: Iron
5 study groups in 4 studies say how much Iron 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, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 1 |
| 25 mg to 50 mg | 2 |
Dose per serving from research: Vitamin B6
6 study groups in 5 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, 83% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mg to 2.5 mg | 5 |
| over 2.5 mg | 1 |
Commonly used together
6 of 6 study groups took Vitamin B12, Vitamin D, Iron and Vitamin B6 with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Riboflavin | 5 |
| Folic Acid | 4 |
| Thiamine | 4 |
| Zinc | 4 |
| Copper | 3 |
| Iodine | 3 |
| Vitamin A | 3 |
| Vitamin C | 3 |
| Vitamin E | 3 |
6 study groups