Specialized Nutrition for Enhanced Glycemic Control. Glucerna 1.2 Cal is a specialized calorically dense formula with a unique carbohydrate blend and fish oil. For patients with hyperglycemia/abnormal glucose tolerance resulting from metabolic stress, such as illness, trauma or infection. Glucerna 1.2 Cal For patients with type 1 or type 2 diabetes to use for tube or oral feeding. Glucerna 1.2 Cal can be used for supplemental or as a sole-source nutrition. Sold by the case for the cans and each bottle for the ready-to-hang style. Use under medical supervision.