Everything we know about how Vitamin K (K1, K2) interacts with other vitamins, minerals, herbs, and supplements. 85 pairings covered — click any one for the full safety, timing, and dosage breakdown.
These pairings can interfere with absorption, metabolism, or effect. Click any for the full breakdown of how to take them apart.
These pairings support each other's effects or absorption. Often bundled in the same multivitamin or stack.
No significant interaction. You can take them together with no timing or spacing concern.
The most-searched Vitamin K (K1, K2) combinations — timing, dosage, and who should be careful.
The complete matrix has all 86 supplements and 7310 pairwise interactions.