The present invention relates to the use of a first amino acid selected from the group consisting of glycine alanine cysteine histidine leucine methionine phenylalanine serine tryptophan and tyrosine or a mixture of two or more thereof； a second amino acid selected from the group consisting of aspartic acid cystine glutamic acid glutamine isoleucine lysine aspartic acid ornithine threonine valine proline and hydroxyproline or a mixture of two or more thereof and one or more furanones for increasing the palatability of a foodstuff to a companion animal. The invention also relates to a pet foodstuff or supplement comprising a first amino acid selected from the group consisting of glycine alanine cysteine histidine leucine methionine phenylalanine serine tryptophan and tyrosine or a mixture of two or more thereof； a second amino acid selected from the group consisting of aspartic acid cystine glutamic acid glutamine isoleucine lysine aspartic acid ornithine threonine valine proline and hydroxyproline or a mixture of two or more thereof and one or more furanones and also to a method of increasing the palatability of a foodstuff to a companion animal.
