NOW® Ulcetrol™ is formulated to support a healthy stomach lining, featuring the clinically tested ingredient PepZin GI®. PepZin GI® is a proprietary form of Zinc complexed with L-Carnosine that has been shown to support the integrity of the stomach lining by promoting its own natural healing processes. Ulcetrol™ also includes Mastic Gum, a resin from the mastic tree (Pistacia lentiscus), which may help to promote stomach health by temporarily relieving occasional digestive discomfort.