Here are several sites for live cultures. It depends on what you want. http://www.lfscultures.com/home.html http://www.angelfire.com/biz/livefood/order.html http://www.atchison.com/highprairiefarms.html http://miraclemile.com/dalecombp/cultures/ Ted Linder 5230 Mercier St. Kansas City, Mo 64112 tclinder at sprynet_com or 816 361-8778