7. Grapefruit and Cholesterol-Lowering Drugs
Grapefruit and grapefruit juice can inhibit an enzyme necessary for statins to be metabolized. This can cause the drug to accumulate in the blood, increasing the risk of side effects like muscle pain. Atorvastatin, lovastatin, and simvastatin (Lipitor, Altoprev/Mevacor, and Zocor) are particularly problematic. Patients are often advised to avoid grapefruit entirely while taking statins. According to the U.S. Food and Drug Administration, grapefruit can also interact with anti-anxiety medication like BuSpar and certain corticosteroids for Crohn’s disease or ulcerative colitis.
8. Leafy Greens and Warfarin
Warfarin (Jantoven and Coumadin), an anticoagulant, interacts with foods rich in vitamin K, including broccoli, cabbage, kale, spinach, and other leafy greens. Vitamin K can reduce warfarin’s effectiveness in preventing blood clotting. Maintaining a consistent vitamin K intake can help stabilize warfarin concentrations in your body.
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