Liver Medic Leaky Gut Repair Maximum Support Gut Health L-Glutamine Slippery Elm for IBS Heartburn Relief Non-GMO for Women & Men 60 Caps. Leaky Gut Repair is a comprehensive approach to support leaky gut reversal. Leaky Gut Syndrome also called intestinal permeability has been widely accepted by progressive physicians as a major health risk for years. Leaky gut is defined as a breakdown of the gut lining which protects the body and plays a major role in nutrient absorption. A diet lacking proper nutrition plus environmental toxins features prominently in developing a leaky gut.