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Isosource 1.5 Nutrition Information

author image Jill Corleone, RDN, LD
Jill Corleone is a registered dietitian and health coach who has been writing and lecturing on diet and health for more than 15 years. Her work has been featured on the Huffington Post, Diabetes Self-Management and in the book "Noninvasive Mechanical Ventilation," edited by John R. Bach, M.D. Corleone holds a Bachelor of Science in nutrition.
Isosource 1.5 Nutrition Information
A man is lying in a hospital bed. Photo Credit: Wavebreakmedia Ltd/Wavebreak Media/Getty Images

Isosource 1.5 Cal is a nutrient-dense, high-fiber medical nutrition supplement made by Nestle Nutrition. It is meant to serve as a source of calories, protein, vitamins and minerals for people reliant on tube feedings for nutritional support. Isosource 1.5 Cal should only be used under the direction of a medical professional.

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Serving Size and Calories

Isosource 1.5 Cal is available in 250-ml cans and 1.0-L bottles. As a calorie-dense medical nutrition formula, it contains 1.5 calories in every milliliter of formula. A 250-ml can contains 375 calories and a 1.0-L bottle contains 1,500 calories. As a calorie-dense formula it is meant to help those with volume intolerance or those on a fluid-restricted diet. According to the Nestle Nutrition website, Isosource 1.5 Cal is formula for people with congestive heart failure, respiratory disease and dysphagia.


The carbohydrates in Isosource 1.5 Cal provide the majority of the calories in the tube feeding formula. Maltodextrin and sucrose act as the primary source of carbohydrates in the formula. A 250-ml can contains 42 g of carbohydrate and a 1.0-L bottle contains 170 g of carbohydrate. Isosource 1.5 Cal also contains fiber in the form of Benefiber, which is a combination of soy and soluble fiber. A 250-ml can contains 2 g of fiber, and a 1.0-L bottle contains 8 g of fiber.


Isosource 1.5 Cal is also a high-protein formula meant for individuals with high protein needs. Sodium and calcium caseinates act as the source of protein in the tube feeding formula. These proteins come from milk. A 250-ml can of Isosource 1.5 Cal contains 16.9 g of fiber, and a 1-L bottle contains 68 g of protein. Healthy men and women need 46 to 56 g of protein per day.

Vitamins and Minerals

Isosource 1.5 Cal is meant to serve as the primary source of nutrition for people dependent on tube feeding for nutrition support. A 250-ml can of Isosource 1.5 Cal contains 24 essential vitamins and minerals. To meet 100 percent of your daily needs you will need 933 ml of Isosource 1.5 Cal.

Additional Information

Isosource 1.5 Cal can be used by people with lactose intolerance and celiac disease because it is lactose and gluten free. Isosource 1.5 Cal is also certified kosher.

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