Omega Garlic Granles is full of Vitamin B and Sulphur, which helps as a general tonic for the horses' immune system. Garlic can be fed for the use of a natural fly repellent, as it creates an odor when the horse sweats which keeps the flies and midges away. Garlic also helps with your worming program as it helps deter away tapeworm, pin-worm and roundworm. (Please do not exclude your regular worming program). Garlic has been shown to support the respiratory and digestive system.