What critical nutrient in alfalfa reduces the effectiveness of the blood thinner Warfarin (Coumadin)?
Answer
Vitamin K
Alfalfa contains significant amounts of Vitamin K, which plays an essential role in the body's natural blood clotting cascade. Warfarin (Coumadin) is a prescription medication specifically designed to slow down the clotting process in patients prone to dangerous clots. When an individual consumes alfalfa, the influx of Vitamin K actively promotes clotting, thereby directly opposing the pharmacological action of Warfarin. This interaction can substantially decrease the medication's intended anticoagulant effect, potentially leading to dose failure or breakthrough clotting events. Consequently, patients taking Warfarin must strictly manage or avoid alfalfa supplementation and require regular monitoring of their coagulation status.
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