Nutritional composition for diabetics

A nutritional composition for diabetic patients, which composition contains a protein source, a lipid source, a source of carbohydrates, which source of carbohydrates includes a fiber mixture comprising - a viscous fiber selected from rubber guar, xanthan gum, gum arabic, pectin, a glucan and mixtures thereof, and - inulin, a hydrolyzate of inulin, or both, wherein the nutritional composition is a liquid composition which has a viscosity, when measured at room temperature, 0, 015-0, 03 kg / ms.