nutria - Nutria is a powerful antioxidant supplement with key vitamins, minerals and phytonutrients from 20 fruits and vegetables. Antioxidants are vital to maintaining good health because they de-activate free radicals that damage the healthy tissues of the body. These fruit and vegetable based antioxidants including selenoexcell selenium found in nutria protect cells and have been shown to fight diseases, including cancer. Nutria also helps slow down the aging process.