Vitamin K-rich foods, reminiscent of spinach and kale, can have an effect on blood thinners like warfarin

https://victor-wiki.win/index.php/Food-Drug_Interactions:_An_Essential_Guide_for_Patient_Safety_60465

Vitamin K-rich meals, consisting of spinach and kale, can impression blood thinners like warfarin. Consistent intake is a must-have to avert fluctuations in blood clotting levels