An apparatus for providing metered amounts of ingredients to a nutritional composition for use in administration to an infant, such as for use in an enteral administration, the apparatus: - comprising a plurality of containers, each containing one or more ingredients for the nutritional composition, - comprising a plurality of delivery devices, each being connected to a container and adapted to deliver from a container a metered amount of the one or more ingredients, to form part of the nutritional composition, to a receptacle, - comprising input means adapted to receive an input from a user relating to the amounts of the one or more ingredients to be delivered from the apparatus, - comprising or having access to a database storing recommended intake values of nutrients as a function of health parameters of an infant, - comprising or having access to a database storing values of nutrient content(s) of the ingredients present in the containers, wherein - the input from a user relating to one or more amounts of ingredients to be delivered from the apparatus is health parameters of an infant, - the delivery devices being adapted to retrieve from the data base recommended intake values of nutrients corresponding to the health parameters input, and determine the amounts of ingredient to be delivered from one or more of the containers accordingly, - comprising a controller being adapted to control the metered amounts of ingredients delivered individually from the containers by the delivery devices in response to the input from the user and to - retrieve from the data base the amount of nutrient(s) in an ingredient, - determine the amounts of ingredient to be delivered from the containers corresponding to amounts of nutrients requested by the user through the input means, and - control the delivery devices to deliver into the receptacle the determined amounts of ingredient from a container, wherein the apparatus further comprises or has access to a database storing data of reactions of infants previous fed with a composition produced by the apparatus according to any of the preceding claims or in general. - comprising a plurality of containers, each containing one or more ingredients for the nutritional composition, - comprising a plurality of delivery devices, each being connected to a container and adapted to deliver from a container a metered amount of the one or more ingredients, to form part of the nutritional composition, to a receptacle, - comprising input means adapted to receive an input from a user relating to the amounts of the one or more ingredients to be delivered from the apparatus, - comprising or having access to a database storing recommended intake values of nutrients as a function of health parameters of an infant, - comprising or having access to a database storing values of nutrient content(s) of the ingredients present in the containers, - the input from a user relating to one or more amounts of ingredients to be delivered from the apparatus is health parameters of an infant, - the delivery devices being adapted to retrieve from the data base recommended intake values of nutrients corresponding to the health parameters input, and determine the amounts of ingredient to be delivered from one or more of the containers accordingly, - comprising a controller being adapted to control the metered amounts of ingredients delivered individually from the containers by the delivery devices in response to the input from the user and to - retrieve from the data base the amount of nutrient(s) in an ingredient, - determine the amounts of ingredient to be delivered from the containers corresponding to amounts of nutrients requested by the user through the input means, and - control the delivery devices to deliver into the receptacle the determined amounts of ingredient from a container,