Calcium, Vitamin K and Vitamin D: study protocols
18 study groups took Calcium together with Vitamin K and Vitamin D. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Calcium
18 study groups in 14 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, 83% of 18 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mg to 500 mg | 3 |
| 500 mg to 1 g | 15 |
Dose per serving from research: Vitamin K
17 study groups in 13 studies say how much Vitamin K participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 100 mcg to 250 mcg, 29% of 17 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mcg or less | 1 |
| 10 mcg to 25 mcg | 2 |
| 25 mcg to 50 mcg | 0 |
| 50 mcg to 100 mcg | 4 |
| 100 mcg to 250 mcg | 5 |
| 250 mcg to 500 mcg | 2 |
| 500 mcg to 1 mg | 2 |
| 1 mg to 2.5 mg | 0 |
| 2.5 mg to 5 mg | 0 |
| 5 mg to 10 mg | 0 |
| over 10 mg | 1 |
Dose per serving from research: Vitamin D
12 study groups in 9 studies say how much Vitamin D participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 5 mcg to 10 mcg, 58% of 12 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mcg or less | 1 |
| 5 mcg to 10 mcg | 7 |
| 10 mcg to 25 mcg | 2 |
| 25 mcg to 50 mcg | 2 |
Commonly used together
3 of 18 study groups took Calcium, Vitamin K and Vitamin D with something else, but nothing that 3 or more different studies gave.
18 study groups