Calcium and Vitamin B12: study protocols
14 study groups took Calcium together with Vitamin B12. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Calcium
14 study groups in 13 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, 50% of 14 study groups.
| Daily dose | Study groups |
|---|---|
| 100 mg to 250 mg | 2 |
| 250 mg to 500 mg | 4 |
| 500 mg to 1 g | 7 |
| 1 g to 2.5 g | 1 |
Dose per serving from research: Vitamin B12
12 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: 250 mcg to 500 mcg, 42% of 12 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mcg to 2.5 mcg | 1 |
| 2.5 mcg to 5 mcg | 1 |
| 5 mcg to 10 mcg | 2 |
| 10 mcg to 25 mcg | 0 |
| 25 mcg to 50 mcg | 0 |
| 50 mcg to 100 mcg | 0 |
| 100 mcg to 250 mcg | 0 |
| 250 mcg to 500 mcg | 5 |
| 500 mcg to 1 mg | 3 |
Commonly used together
14 of 14 study groups took Calcium and Vitamin B12 with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Vitamin D | 11 |
| Folic Acid | 10 |
| Vitamin B6 | 9 |
| Iron | 5 |
| Vitamin A | 4 |
| Zinc | 4 |
14 study groups