This workshop explores evidence-based nutrition strategies for managing the nutritional challenges and treatment-related side effects experienced by cancer patients. It covers protein, energy, hydration, and micronutrient requirements during chemotherapy, radiotherapy, and immunotherapy. Participants will learn practical dietary approaches for managing nausea, vomiting, taste changes, mucositis, painful swallowing, xerostomia, constipation, and diarrhea. The session highlights appropriate food textures, meal timing, hydration, and nutrient-dense choices to support intake and prevent muscle and weight loss. Special emphasis is placed on individualized nutrition care to improve treatment tolerance, recovery, and overall quality of life.