Calcium and Iron: study protocols
9 study groups took Calcium together with Iron. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Calcium
9 study groups in 5 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 and 1 g to 2.5 g, 33% of 9 study groups each.
| Daily dose | Study groups |
|---|---|
| 100 mg to 250 mg | 2 |
| 250 mg to 500 mg | 1 |
| 500 mg to 1 g | 3 |
| 1 g to 2.5 g | 3 |
Dose per serving from research: Iron
6 study groups in 3 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, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 1 |
| 50 mg to 100 mg | 3 |
Commonly used together
8 of 9 study groups took Calcium 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 | 7 |
9 study groups