This Mushroom Superblend is a combination of five superfood mushrooms your dog may enjoy. Chaga (Inonotus obliquus), Reishi (Ganoderma lucidum), Turkey Tail (Coriolus versicolor), Cordyceps (Cordyceps sinensis), Lion's Mane (Hericium Erinaceus). Chaga: Research shows it may provide immune support, and gut support and may have anti-oxidant properties. Reishi: Research shows it may provide senior dog support and heart support. Also, it is known as the "longevity mushroom". Turkey Tail: Research shows it may provide immune support and have anti-tumor properties. Cordyceps: Research shows it may provide senior dog support and immune support.