Nutritional delivery system using single-serve capsules comprising: a dispenser for a nutritional composition comprising means for providing water into a single-use capsule containing a portion-controlled serving of a nutritional formula; different types of capsules (10,11,12,13,14,15,16) being designed according to a nutritional feeding plan corresponding to persons or categories of persons to be fed, each type comprising capsules containing a nutritional formula; the capsules of different types having at least one differentiating characteristic so that each type of capsules corresponds to a feeding time period determined by the feeding plan; control operation means associated to each type of capsules, said means comprising information relating to at least one differentiating operational parameter relevant to produce and deliver a differentiated nutritional liquid in the dispenser according to the feeding plan.