At PetBird Xpress we would love to be your source for Lafeber's Avi-Era Vitamins! Our knowledgeable Customer Service Reps will be happy to help with product information. Expect your Lafeber's Avi-Era Vitamins to leave our warehouse within 1 day. Its easy to track your shipment by clicking on MY ACCOUNT at the top of this page. Manufactured by Lafeber. At PetBird Xpress you will find only quality branded products - no private lable of knock-off items! PetBird Xpress has been supporting pet bird owners since 1989 - count on us for dependable delivery and secure shopping!