UTI Heal Liquid Cranberry Nutrition, 30 oz Bottle. 30 servings per bottle; 2 calories per serving.UTI Heal is a medical food designed to create an unfriendly environment that helps displace E. coli and other organisms from the urinary tract. The concentrated cranberry-based formula contains Vitamin C, D-Mannose, Erythritol and FOS (inulin) for a healthier urinary tract system. Use under medical supervision.