All natural product that is indicated in horses in heavy training. Stops bleeding in 30 days. Not a drug xbl helps your horse maintain their strength can be fed daily over extended periods of time and will not test. For a 1000 lb. horse give 2 level scoops on the feed for 30 days. Give 1 level scoop daily thereafter. Size is 1.3 Pound. Dimensions are 4.5 X 5 X 5 Lecithin Fish By-Products Dried Citrus Pulp Vitamin K Acetic Acid Folic Acid Ascorbic Acid Natural And Artificial Flavors Gum Arabic Guar Gum Xanthum Gum. UPC Code = 715401560304