If you are on blood thinners the Vitamin K in the green leafy veggies will counteract/work against the coumadin. The best world is to have the same approximate amount of leafy greens a day.
There are also foods not to eat/over indulge in because of bleeding risk as well.
This is one reason I am glad I have not had to take blood thinners.
Green leafy veggies are the health food power houses for your body, for healthy blood vessels and bones.
Foods high in salicylates/blood thinning capability