U-7 Gastric Aid is a clinically studied vitamin/herbal blend that helps promote a healthy equine digestive system including the foregut and hindgut. U-7 Gastric Aid contains natural active ingredients including antioxidants and naturally occurring prebiotics that helps your horse maintain proper gut pH and supports healthy digestion.A horses gut health is key to not only its overall well-being and physical health but may also affect its performance mood and outward appearance. U-7 Gastric Aid was developed over 20 years ago to help promote a healthy digestive system in the horse. Since this time U-7 has been independently and clinically studied by leading veterinarians and shown to be effective in promoting gastric health. U-7 has the following benefits for your horse: Contains naturally occurring antioxidants and prebiotic ingredients which support the horses gut lining for healthy digestion and optimal gut pH U-7 contains natural active ingredients and does not block stomach acid production U-7 was clinically studied by top veterinarians and shown to be effective in promoting a healthy gastrointestinal tract in horses U-7 is an affordable option for horse owners or caretakers that helps promote gut healthDirections for use: For a 1000 lb. horse: For the first 30 days: Give 2 fluid ounces twice a day (First in the morning 2nd in the evening).; After 30 days: Give 1 fluid ounce twice a day (First in the morning 2nd in the evening).; 1 fluid ounce = 31 grams Active Ingredients per fluid ounce: Ascorbic Acid: 440mg; MSM: 280mg; Apple Pectin: 56mg; Brewers Yeast: 28mg; Grape Seed Extract: 18mg; Zinc: 5mg; Aloma Blend*: 150mg (**Aloma Blend is a proprietary blend of Aloe Vera Slippery Elm and Licorice) Inactive Ingredients: Apple cider vinegar apple flavoring cabbage powder carrot powder FD&C blue #1 FD&C yellow #5 honey salt sodium benzoate water xanthan gum.