Dodson & Horrell Itch-Free Horse Supplement is a carefully blended herb containing chamomile, burdock root, garlic granules & nettle. These individual herbs have been chosen for their soothing, healing & repelling properties. Seasonal changes can affect your horse's skin & coat conditions such as sweet-itch can cause great discomfort & distress. By adding this to your horse's feed you can help to keep him feeling comfortable & healthy on the inside which will show on the outside.