Duocal Super Soluble Duocal Super Soluble a high energy, low electrolyte, neutral tasting powder with balanced blend of fat & carbohydrate, providing a 4:1 ratio of n 6:n 3 fatty acids. Duocal Super Soluble may be used to fortify a wide range of foods & drinks, to enhance energy intake in a range of conditions requiring a high energy, low fluid diet, such as renal disease, liver disease & catabolic stress. It may also be used for the supplementation of infant formula.