💊🥘 *Drug-Food Interactions* 💊PPIs & H2 antagonists * ↓ Calcium, iron, zinc, and folic acid * Due to reduced gastric acidity and intrinsic factor secretion 💊Cholestyramine * ↓ Vitamins A, D, E, K → Binds fat-soluble vitamins, reducing their availability 💊Phenytoin / Phenobarbital * ↓ Vitamins D, K, and folic acid * Increases metabolism of these nutrients