Simple Seed Immune Support is formulated for dogs in need of serious immune support. Developed to support immune system health as an antioxidant by improving oxygen utilization, support liver function by promoting detoxification, and boosting immunity by delivering reduced risk of infection. Hemp seed oil contains the ideal ratio of Omega-6 and Omega-3 fatty acids, delivering benefits to achy joints and supporting healthier skin and coat. Reishi and Maitake mushrooms can work as an "immune modulator" and are known to offer protection from inflammation, fatigue, liver disease, food allergies and asthma, digestive problems, tumor growth, skin disorders, autoimmune disorders, diabetes, viruses, heart disease, anxiety, and depression. Like all Simple Seed products, Simple Seed Immunity soft chews are 100% grain free, and made in the USA at an FDA registered facility.