Kittens should not eat bananas. Bananas can promote gastrointestinal motility, but kittens’ intestines and stomachs are relatively fragile. Eating bananas will be difficult to digest and may easily lead to soft stools or loose stools. Adult cats can eat a small amount of bananas in moderation. Bananas can help gastrointestinal digestion and supplement vitamins. If you find that your big cat has soft stools or loose stools after eating bananas, you should stop feeding them. Cats need regular supplements of vitamins, calcium, and protein during their growth period so that their nutrition will be comprehensive.