Cats and Dogs have seen improvement within weeks of starting RenAvast. Reported improvements include but are not limited to coat improvement, increased appetite, decreased vomiting, weight gain and a general all over sense of feeling better. Browse this site www.californiapetpharmacy.com/renavast-dogs-60ct.html for more information about Renavast and also you can follow us on www.facebook.com/pages/RenAvast/211581422213867.