Calcium, Vitamin B12 and Iron: study protocols
5 study groups took Calcium together with Vitamin B12 and Iron. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Calcium
5 study groups in 4 studies say how much Calcium participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 500 mg to 1 g, 80% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mg or less | 1 |
| 250 mg to 500 mg | 0 |
| 500 mg to 1 g | 4 |
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: 50 mg to 100 mg, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mg to 25 mg | 1 |
| 25 mg to 50 mg | 1 |
| 50 mg to 100 mg | 3 |
Commonly used together
5 of 5 study groups took Calcium, 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 |
|---|---|
| Folic Acid | 4 |
| Vitamin A | 4 |
| Vitamin D | 4 |
| Zinc | 4 |
5 study groups