Vitamin K: study protocols
26 study groups say how much Vitamin K participants took a day. These are the doses the studies gave. They are not a recommendation.
Dose per serving from products
4,480 products in our catalogue print how much Vitamin K a serving holds.
Most common: 50 mcg to 100 mcg, 34% of 4,480 products.
| Dose per serving | Products |
|---|---|
| 10 mcg or less | 206 |
| 10 mcg to 25 mcg | 675 |
| 25 mcg to 50 mcg | 950 |
| 50 mcg to 100 mcg | 1,528 |
| 100 mcg to 250 mcg | 708 |
| 250 mcg to 500 mcg | 122 |
| 500 mcg to 1 mg | 131 |
| over 1 mg | 160 |
Dose per serving from research
26 study groups in 14 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 and 250 mcg to 500 mcg, 23% of 26 study groups each.
| Daily dose | Study groups |
|---|---|
| 50 mcg or less | 2 |
| 50 mcg to 100 mcg | 5 |
| 100 mcg to 250 mcg | 6 |
| 250 mcg to 500 mcg | 6 |
| 500 mcg to 1 mg | 1 |
| 1 mg to 2.5 mg | 0 |
| 2.5 mg to 5 mg | 1 |
| 5 mg to 10 mg | 1 |
| 10 mg to 25 mg | 0 |
| 25 mg to 50 mg | 4 |
Commonly used together
3 of 26 study groups took Vitamin K with something else, but nothing that 3 or more different studies gave.
26 study groups