VKORC1 encodes vitamin K epoxide reductase, a key enzyme in the vitamin K cycle. Vitamin K is essential for blood clotting and bone metabolism, but a direct role in gut health is not scientifically established. While gut microbiota produce vitamin K2 (menaquinone), genetic variants in VKORC1 primarily affect sensitivity to anticoagulants like warfarin, not gut barrier function or microbiome composition. No robust studies link VKORC1 polymorphisms to irritable bowel syndrome, inflammatory markers, or gut flora diversity. Claims that VKORC1 can improve gut health lack evidence and are likely marketing-driven. For gut health, focus on proven factors like fiber, probiotics, and a balanced diet. A DNA test for VKORC1 provides no actionable insights for digestive wellness.
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