Guinea pigs are herbivores, and they eat plants. Fruits and vegetables are good sources of food for guinea pigs. When feeding guinea pigs, look out for fruits that are rich in vitamin C, dietary fiber, and other types of minerals. Also, guinea pigs eat green bell peppers, apples, pears, bananas, oranges, mangoes, and berries are good for guinea pigs.

Guinea pigs eat orange , orange peppers, orange bell peppers, yellow peppers. These fruits are not toxic to their body. Vegetables are recommended food sources of food for Guinea Pigs. Fruits that have high sugar and fat is not good for them. Guinea pigs should not be fed on food high in sugar content or foods that contain alkaloids.
These foods are not good for their body. Sugary foods can lead to stomach upset in Guinea pigs and other kinds of health complications. Avoid giving guinea pigs, meat, fish, insects, eggs, or any form of dairy; it is not good for them.
Guinea pigs are herbivorous and should be treated as such. You should also avoid giving the fresh grasses from the garden or field; they might contain insecticides. But you can give bell peppers to your guinea pigs every day but in small amount.