Quitt Equine Supplement is the first feed supplement proven to stop wood chewing. This highly palatable feed supplement provides essential vitamins, minerals and fatty acids to satisfy a horse's nutritional requirements and eliminate the urge to chew wood. In studies, 90% of horses fed Quitt(R) supplement stopped chewing within a week! With Farnam's Quitt, there will be no more spraying, painting or costly repairs. FEEDING DIRECTIONS (enclosed scoop holds 1 oz):Feed 2 oz a day | Farnam Quitt Equine Supplement | Size 3.75 lb