1 L-Alanyl-L-Glutamine for use in the manufacture of pharmaceuticals, cosmetics, foods and dietary supplements; Amino acid peptides for use in the manufacture of pharmaceuticals, cosmetics, foods and dietary supplements; Chemical additives for use in the manufacture of pharmaceuticals, cosmetics, foods and dietary supplements; L-Alanyl-L-Glutamine for culture medium supplements or culture medium additives other than for medical or veterinary use; Chemicals for use in the manufacture of pharmaceuticals, cosmetics, foods and dietary supplements