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Ensure Pre-Surgery is specially designed to help reduce insulin resistance after surgery and improve patient outcomes. It is designed to be consumed up to 2 hours before surgery. Use as directed by your physician. *ERAS is a trademark of the Enhanced Recovery After Surgery Society. This product has not been reviewed or endorsed by the ERAS Society. †American Society of Anesthesiologists is a registered trademark of the American Society of Anesthesiologists (ASA). This product has not been reviewed or endorsed by the ASA. ‡Studies conducted using formulas containing similar nutrients as Ensure Pre-Surgery. Be sure to follow the nutrition program recommended by your doctor. References: 1. Ljungqvist O. Best Pract Res Clin Anaesthesiol. 2009;23(4):401-409. 2. Lassen K, et al. Clin Nutr. 2012;31(6):817-830. 3. Gustafson UO, et al. Clin Nutr. 2012;31(6):783-800. 4. American Society of Anesthesiologists Committee. Anesthesiology. 2011;114(3):495-511. 5. ERAS Society website. erassociety.org/patients. Accessed August 28, 2018. 6. Hausel J, et al. Br J Surg. 2005;92(4):415-421. 7. Singh BN, et al. Surg Endosc. 2015;29(11):3267-3272. 8. Smith MD, et al. Cochrane Database Syst Rev. 2014;8:CD009161. * From #1 doctor-recommended brand * Contains 5 g complex carbohydrate (maltodextrin) and is low in osmolality, unlike sports drinks (O. Best Practice Clin Anesthesia. 29;23(4):4149) * Meets ERAS guidelines for presurgery use of a clear carbohydrate beverage (Lassen K, et al. Clin Nutr. 212;31(6):81783. Gustafson UO, et al. Clin Nutr. 212;31(6):7838) * Meets American Society of Anesthesiologists (ASA) guidelines for use with preoperative fasting (American Society of Anesthesiologists Committee. Anesthesiology. 211;114(3):495511) * Contains the antioxidants zinc and selenium