B&D Nutritional Ingredients, Vista, CA, and XSTO Solutions, Morristown, NJ, now have exclusive marketing rights for zinc carnosine (crystalline amino-mineral complex of L-carnosine and zinc) from Osaka, Japan-based Hamari Chemical. Zinc carnosine is a novel dietary supplement ingredient that targets stomach health. This ingredient combines L-carnosine—a naturally occurring dipeptide found in muscle and brain tissue—with elemental zinc for a powerful antioxidant, tissue-healing and mucosal-supportive complex.