Barley leaves/Grass may thicken the blood??

Hi folks, want to ask anyone who experienced or knowledgeable with Barley leaves/grass if it can thicken the blood? My mother has cancer and was recommended to take 20 tablets per day. She takes Barley leaves for 7 month as a part of Bill Henderson Protocol. Before she was diagnosed she had problems and doctor suggested she has blood clots and prescribed her aspirin but since she is on protocol she doesn't take it. Lately she had very bad pain in the legs and back. Does anyone knows if Barley leaves might cause her symptoms to worsen since it has Vitamin K and might thicken the blood ????

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