[header] How to treat obesity in cats [title] Talk to your vet. [step] Before starting your cat on a diet, it's important to talk to your vet. A vet can help you determine the best, safest diet for your cat, as well as a healthy weight for your cat. 
[substeps] Ask your vet about the best food for your cat. Your vet may recommend putting your cat on a diet food to help it lose weight.