Each packet contains 2.84 oz. Vivonex T. E.N.: A very low fat, nutritionally complete elemental diet for formulated especially for people with digestive problems. High in glutamine an important nutrient for the health of your digestive system.. 100% free amino acids for better tolerance and easy absorption.. Contains arginine, a building block of protein that helps promote wound healing. Low in fat (3%) while providing a sufficient amount of essential fatty acids. Low levels of fat mean less work for the pancreas and better tolerance. Mix with Vivonex Flavor Packets for variety and great taste. Vivonex T. E.N. is a medical food - please consult with your health care professional on the use of this product. Vivonex Plus is commonly recommended to people with. Intestinal surgery, Cancer treatment, Poor digestion, Surgery, Crohn's disease, Pancreatic and intestinal disorders, Limited gut function, Intolerance to standard protein formulas, Food allergies. Lactose free. Gluten free. Low residue. Kosher. Total Enteral Nutrition - an effective substitute for Total Parenteral Nutrition. TPN). The Vivonex elemental diet is an effective substitute for total parenteral nutrition (TPN), except in patients where enteral feeding may be contraindicated (i.e., less than 60 cm of functioning small intestine). In standard dilution, the Vivonex diet provides 1 calorie per ml or 300 calories per packet, distributed as 15.3% amino acids, 2.5% fat, 82.5% carbohydrate. Nutrition Information: The nitrogen (protein) in the Vivonex diet is supplied as pure L-Amino acids, specifically patterned for optimal utilization and anabolism, and with a calorie to nitrogen ratio of 175:1. Ten 80.4 gram packets provide 3000 calories, 17.1 grams available nitrogen, 8.33 grams fat and 617 grams carbohydrates. Not for parenteral use. For Nutrition Information please see package for details.