This disclosure relates to a method and an apparatus for making customized nutritional mixtures based on characteristics of an individual and in the manner to be nutritionally complete and correspond to a recommended calorie intake value. An example method comprises the steps of: (i) maintaining a plurality of nutritional ingredients (ii) receiving a request to make a customized nutritional mixture for an individual (iii) obtaining or calculating an individual calorie value of the individual (iv) optionally selecting a number of nutritional ingredients (v) calculating mass fractions of selected nutritional ingredients based on the individual calorie value and (vi) dispensing selected nutritional ingredients in accordance with the mass fractions to a container in order to produce the customized nutritional mixture, where a calorie value of the customized nutritional mixture substantially corresponds to at least a predetermined portion of the individual calorie value.
