Contains all natural ingredients that promote digestive health in your horse. U-7 is not just another calcium-magnesium-aluminum acid buffering product. It's a revolutionary new formula for use with horses that suffer poor appetite, dull coat, or reduced performance. Safe for foals, U-7 is also recommended for all horses that are confined to stalls or engaged in moderate to heavy work schedules. It is not a drug, will not test positive and can be given over extended periods. Administer 2 oz in the morning and 2 oz in the evening for 30 days. Reduce to 1 oz twice daily thereafter.