Nutritional product for a person having renal failure

This invention relates generally to a nutritionally complete liquid supplement (referred to as "product") for enteral feeding, which has been formulated to address the nutritional needs of persons undergoing renal dialysis because they suffer from renal failure. The product is formulated for persons who suffer from acute or chronic inflammation of kidney tissue; in particular, those who have a dysfunctional glomerulus, which is a cluster of capillaries responsible for the production of urine. L-arginine found essential to enhance the glomerular function of the kidneys is used formulate a low viscosity, calorie-dense, nutritional product for a person having renal failure. In a product free of citric acid or citrates, for oral ingestion, the taste of arginine is counteracted by lactic, malic or adipic acid; in a formulation for tube-feeding, citric acid and citrates in a specified ratio controls the product's stability. The ratio of calcium to phosphorus is controlled, as is the caloric distribution and water content; the amounts of vitamins and minerals included provide a nutritionally complete formulation.