Figuerola Laboratories' Strike is a natural powder daily horse dewormer and insect control supplement that creates an environment unfriendly to parasites. Also supports full digestive tract health by helping stimulate healthy digestion, and nurturing and preserving intestinal flora. Contains Parasitus Tractatio™, a combination of polar lipids to coat the intestines, l-threonine and l-glutamine to support mucus production, n-acetyl glucosamine to inhibit harmful bacteria, fibram maguey to stimulate digestion, beta glucans to help maintain a natural rate of feed transit, and yeast extract to support intestinal health. Directions: Mix daily with food; Horses under 400 lbs - 1/2 scoop; 401-800 lbs - 3/4 scoop; 801-1,500 lbs - 1 scoop; 1,501-2,000 lbs - 1-1/2 scoops. 3.75 lbs = 30 scoops.