The invention provides non-oxidative methods for the large scale manufacture of pyridoxamine (I) (4-aminomethyl-3-hydroxy-5-hydroxymethyl-2-methylpyridine): ##STR00001## and salts thereof.The invention also provides intermediate compounds for the synthesis of pyridoxamine, as well as compositions and methods for the treatment and/or prevention of conditions associated with the formation of post-Amadori advanced glycation end-products.