(6 oz. bag). New, Supercharged immune assistance for your pet. MushPuppies Plus is packed with 50% MORE Coriolus Versicolor than our standard MushPuppies. MushPuppies are the first dog biscuit with the immune boosting and stimulating Coriolus Versicolor mushroom. Includes Glucosamine, Carotene and Chondroitin to assist with bones and joints. The Coriolus Versicolor Mushroom is an all-natural botanical found to help stimulate the body’s own immune system. It is widely known that the immune system is the body’s first defense against everything from simple ailments to the most complicated. There are hundreds of studies worldwide conducted on Coriolus Versicolor on its immune boosting and stimulating properties including such notable institutions as Sloan Kettering Cancer Center of New York, MD Anderson Cancer Center of Texas and one recently completed by the University of Pennsylvania School of Veterinary Medicine. We have been providing our proprietary blend of Coriolus Versicolor for over ten years for both humans and pets. Our process insures a highly potent strain of Coriolus Versicolor, harvested at the mycelia stage (not the fruited body) and insures the highest quality of polysaccharide peptide (PSP) and polysaccharide krestin (PSK). Ingredients: Coriolus Versicolor mushroom Polycsharide (PSP) Polysacharide Kereskin (PSK), organic spelt flour,whole oat flour, apple juice, eggs, ground peanuts, flaxseed oil, mixed tocopherals (Vitamin E) as a natural preservative. No artificial preservatives, by products or chemicals.