Food-drug interactions refer to the effects that certain foods can have on the absorption, metabolism, and efficacy of medications. These interactions can influence how well a drug works and may lead to adverse effects or reduced therapeutic outcomes. For example, grapefruit juice is known to inhibit enzymes involved in drug metabolism, potentially leading to increased drug concentrations in the body and heightened side effects. On the other hand, certain foods can enhance drug absorption, such as taking fat-soluble vitamins with a meal containing fat. Understanding these interactions is crucial for healthcare providers to give effective dietary recommendations to patients taking medications. Research in this area aims to identify specific food-drug combinations that should be avoided or encouraged, ensuring safe and effective treatment strategies for individuals requiring pharmacological interventions alongside dietary considerations.