Alimentation composition includes protein component, lipid components, with carbohydrate ingredient, minerals, vitamin and water, the wherein heat density of the alimentation composition at least 2kcal/milliliter, at least 15 EN% are provided with protein component, energy based on all compositions and wherein protein component include at least two protein sources Wherein the first protein matter source is low molecular weight protein Lipid components provide the composition of at least 30 EN % gross energies, and the first protein matter carrys out the protein component of source-representation 35-95 total weights.