Total digestive tract buffer. RiteTrac is a proprietary blend of ingredients designed to support total digestive tract health. It benefits both the foregut and hindgut. Contains Equishure, to neutralize excessive acid in the hindgut and coating agents to provide ongoing protection of the gastric mucosa. Recommended for prophylactic use during training, showing, transport, weaning or other stressful events. Great for horses on NSAIDS, as well as those recovering from illness or colic surgery. 50 servings. No international shipping, US shipping only.