10 foods to eat during chemotherapy 1 oatmeal oatmeal provides numerous nutrients that can help your body during chemo it boasts ample amounts of carbs 2 avocado if your appetite is lacking avocados can pack necessary calories and nutrients into your diet this creamy 3 eggs fatigue . During chemotherapy take a small bland snack with you you can try the above foods as well as snack on low acid juices apple grape and fruit nectars liquid yogurts fruits such as bananas and crackers bring a water bottle and fill it with your favorite beverage avoid acidic foods which may be irritating to your digestive tract. After surgery chemotherapy or radiation therapy extra protein is usually needed to heal tissues and help fight infection good sources of protein include fish poultry lean red meat eggs low fat dairy products nuts and nut butters dried beans peas and lentils and soy foods fats fats play an important role in nutrition. What foods to eat during chemo nutritional supplement liquid food instant breakfast items supplement shakes and butter milk are some items which a peanut butter peanut butter greatly improves the taste of food whether applied on bread cracker or toast and it is fish and red meat beef