Metabolic Preparation for Surgery
Rethink Fasting.
For decades, patients were instructed to stop eating at midnight.
Science around surgeries has evolved.
Preparation should evolve with it.
ReVital® PreOp delivers 50 grams of rapidly digestible carbohydrate in a clear-liquid format aligned with contemporary perioperative guidelines permitting intake up to TWO HOURS before anesthesia in appropriate patients.
This is not indulgence.
It is metabolic preparation.
Why Carbohydrate Before Surgery?
Perioperative carbohydrate loading has become a standard component of many ERAS protocols to support metabolic stability and improve patient comfort before surgery12.
Surgical stress increases metabolic demand. Prolonged fasting
may contribute to:
• Insulin resistance
• Patient discomfort
• Increased catabolic response
Evidence-informed perioperative nutrition strategies support carbohydrate intake prior to surgery as part of Enhanced Recovery After Surgery (ERAS®) pathways¹².
Perioperative carbohydrate loading has become a standard
component of many ERAS protocols to support metabolic
stability and improve patient comfort before surgery¹².
ReVital PreOp is formulated to support:
• Preoperative carbohydrate loading aligned with ERAS protocols
• Reduced perioperative insulin resistance⁴
• Improved patient comfort compared with prolonged fasting¹³
• Hydration and metabolic readiness prior to anesthesia
Clinical clarity. Metabolic precision.
Composed Preparation
For individuals who regularly consume caffeine, abrupt cessation
prior to surgery may contribute to headache, fatigue, or discomfort
associated with caffeine withdrawal.
PreOp Plus+ includes a measured amount of caffeine derived from green coffee, balanced with L-theanine, allowing patients to maintain habitual caffeine intake prior to surgery.
Caffeine is commonly used as an adjunct to analgesic medications²⁵⁶ and may support patient comfort, alertness, and metabolic readiness leading into the procedure.
Built to support:
• Metabolic preparation before surgery
• Maintenance of habitual caffeine intake prior to anesthesia
• Alertness and cognitive clarity before procedures
• Balanced stimulation through caffeine with L-theanine
No extremes. No excess. Just intentional formulation.
Selected Scientific References
1. American Society of Anesthesiologists Task Force. Practice guidelines for preoperative fasting and the use of pharmacologic agents to reduce the risk of pulmonary aspiration.
Anesthesiology. 2017.
2. Gustafsson UO, Scott MJ, Hubner M, et al. Guidelines for perioperative care in elective colorectal surgery: Enhanced Recovery After Surgery (ERAS?) Society recommendations.
World Journal of Surgery. 2019.
3. Ljungqvist O, Nygren J, Thorell A. Preoperative nutrition—elective surgery. British Journal of Surgery. 2001.
4. Nygren J, Thorell A, et al. Preoperative oral carbohydrate administration reduces postoperative insulin resistance. Clinical Nutrition. 1998.
5. Derry CJ, Derry S, Moore RA. Caffeine as an analgesic adjuvant for acute pain in adults. Cochrane Database of Systematic Reviews. 2014.
6. Boppana SH, et al. Caffeine: What is its role in pain medicine? Cureus. 2022.
Patented Technology
ReVital formulations are based on patented perioperative carbohydrate technology designed to support metabolic preparation and hydration prior to surgery.
Protected by U.S. Patents 10,583,110, 10,780,083, and 11,102,994.
0 comments