PetBird Xpress stocks 1,000's of items including Lafeber's Avi-Era Vitamins. Quality Customer Care is our first priority - try calling us at 800-448-2014. 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! We appreciate the opportunity to serve you! Join our 12,000 satisfied commercial and residential customers.