Renastart 400g can.494 calories per 100g.1976 calories per can.Formulated to meet the nutritional needs for pediatric renal disease.Renastart formula is a high energy powder with low levels of protein, calcium, chloride, potassium, phosphorous and vitamin a.Renastart formula also contains carbohydrate, fat, additional vitamins and trace elements, as well as the long-chain polyunsaturated fatty acids (lcp's), arachidonic acid (aa) and docohexaenoic acid (dha).