U-7 Gastric Aid Powder from Finish Line Horse Products – palatable vitamin/herbal gastric supplement blend. U 7 helps horses suffering from poor appetite, poor attitude, poor performance or dull coat. Relieves gastric distress and improves overall well-being more effectively. Other antacids and drugs contain calcium, magnesium or aluminum which only neutralize and produce more stomach acid. U Seven Gastric Aid Powder is great for horses confined to stalls or those with moderate to heavy work schedules. Can be given over extended periods. Each 1 oz scoop contains 870 mg ascorbic acid, 540 mg MSM, 110 mg apple pectin, 54 mg brewers yeast, 34 mg grape seed extract and 10 mg zinc gluconate. Safe use in pregnant animals or animals intended for breeding has not been proven. Directions: Give 1 scoop twice daily for 30 days, then 1/2 scoop twice daily. 1.6 lbs = 30 day supply at maintenance level.