Can Hamsters Eat Bananas? Hamster Wet Tail | Wpsuo. Can Hamsters Eat Bananas? Home » Hamsters » Can Hamsters Eat Bananas? The answer is sure, hamsters can eat bananas. Bananas are a very good supply of dietary potassium and vitamin C, that are vital for hamsters. Hamsters are a popular pet and many people wish to know if they can eat bananas. However, a lot banana could cause weight achieve in hamsters, so it is very important solely give them a small quantity as a snack. In this text, we'll look at the nutritional worth of bananas, whether or not or not too much banana is harmful for a hamster and if they can eat banana peels.