Vet decided it must be IBS. It never occurred to any of us that it was the food. After reading similar reviews however we stopped feeding the kitten Purina Pro Plan and resumed the previous brand.

SKIP AHEAD Best dry kitten food | Best wet kitten food ... None Purina’s Pro Plan line offers some of our favorite cat food, and this specific formula is made for growing kittens.

Blue Buffalo Life Protection Formula Adult Dry Dog Food and Purina Pro Plan Complete Essentials Dry Dog Food Blue Buffalo dog ...