Resveratrol is an exceptional antioxidant that helps protect against free radical damage.What are the benefits of resveratrol for dogs? Ask Ariel’s Resveratrol For Dogs, backed by research, can help your dog in so many ways. It can improve cardiovascular, disc and joint health and is an important cancer vitamin. Many clients report that Ask Ariel’s Resveratrol For Dogs has put a bounce back in their senior dog’s step, given them increased energy and joie de vivre.