Neigh-Lox Digestion Horse Supplement 25 lb The unique patented formula is research proven and trusted by veterinarians. Neigh-Lox is a digestion supplement that neutralizes excess gastric acid coats and protects the stomach. Key Features of Neigh-Lox: neutralizes excess gastric acid and coats reduces the risk of gastric ulcers in horses of all ages c an also be used as a follow up to omeprazole treatment to prevent the recurrence of ulcers Feed 4 oz daily per average horse. View manufacturer and/or label information