Aleira Equine Respiratory Health Supplement 5.6 lb **TO ORDER PLEASE CALL ARENUS ANIMAL HEALTH AT 1-866-791-3344 OR VISIT ARENUS.COM** Unique Mushroom Matrix maintains healthy lung function and immunity. Aleira contains an all-vegetarian, fish oil-free source of docosahexaenoic acid (DHA), one of the most beneficial omega-3 fatty acids found in nature. Aleira includes active ingredient methylsulfonylmethane (MSM) and vitamin C to further support the immune system and help manage the symptoms of seasonal allergies. Help your horse breathe easier with Aleira, the natural source of respiratory and immune health.