Dr Becker's Gut/GI Solution Bites Treats - Natural Supplement for Digestive System for Dogs Dr. Beckers Gut/GI Bites contains L-Glutamine, Slippery Elm and Bentonite, three natural supplements shown to absorb toxins, decrease inflammation and promote a soothing solution for the digestive track. Natural supplements for pets made as treats: helps with digestive track in dogs. Ingredients: Beef Liver, L-Glutamine, Slippery Elm and Bentonite - three natural supplements shown to absorb toxins, decrease inflammation and promote a soothing solution for the digestive track. Great natural solution for dogs. 100 percent grainfree, fillerfree and glutenfree. Made in the USA from start to finish.