This standard covers the production, preparation and use of products available in powdered form, referred to as Powdered Formulae for the purpose of this document, and specifically manufactured to be used for infants and young children either as a breast milk substitute, to supplement infant formula or fortify human milk or in combination with other foods as part of the weaning diet for older infants and young children. Products included are infant formulae, follow-up formulae, formulae for special medical purposes intended for infants and which serve as the sole source of nutrition, human milk fortifiers and powdered formulae for special medical purposes for infants and young children intended to partially replace or supplement breast milk, infant formulae or follow-up formulae. This standard doesn't include to ready liquid formulae for direct human consumption.