Aleira from Arenus is a non-medicated supplement, designed to maintain optimal respiratory function for horses who have chronic respiratory conditions, difficulty breathing, allergies, hives or dermatitis. The addition of Omega-3 fatty acids can help to address immune and respiratory problems. It's unique blend of algal-DHA, antioxidant-rich mushrooms, Vitamin C and MSM help with inflammation and immune responses in horses with respiratory issues.