FOUR LEAF ROVER - Lion's Mane Mushrooms for Dogs - Supports Healthy Brains and Nervous Systems in Dogs of All Ages - Organic Whole Mushrooms - 3rd Party Tested - 60 Day Large Dog SupplyBrand: FOUR LEAF ROVER Features: Lion's Mane mushroom is rich in hericenones and erinacines, which can help support cognitive and neural function for dogs of all ages. This unique mushroom naturally targets the brain and nervous system. PERFECT FOR SENIORS: Lion's mane can help with cognitive dysfunction and neural vertebral issues. SUPPORTS BRAIN BALANCE: Naturally supports anxious or depressed dogs. WHOLE, ORGANIC MUSHROOMS: Double extracted from