Sole-source nutrition formula is high-calorie and packed with protein: 455 calories and 20 grams of organic pea protein in every carton make this a good formula or shake during cancer treatment and/or pre- and post-surgery. Phytonutrient blend delivers protective antioxidants while functional fats and prebiotic fiber can help support healthy digestion. All-natural ingredients for a smooth, creamy taste and no artificial flavors or sweeteners. Works well for tube feeding: Standard 1.4 provides the benefits of a whole food diet and flows smoothly through tubes as small as 6.5 Fr. without needing to be watered down. 11-ounce carton.