A natural source of Psyllium husk that promotes a normal stomach function on horses in sandy areas.Sand Colic - Powder$61.75PriceWeight*SelectQuantity*Add to CartBuy NowIngredients: Pyllium (Active), Ginger Root, Slippery Elm, Licorice Root (Inactive), Cinnamon Recommended:Feed 4-6 ounces per day for 7 days each month. Based on 1,000 lb horse. (1 ounce scoop provided) Available:3LB - $61.75 7LB - $125.35 10LB - $158.85