Find Lafeber's Avi-Era Vitamins at PetBird Xpress. Call our friendly customer service representatives at 800-448-2014 if you have any questions. Lafeber's Avi-Era Vitamins orders are processed within 1 day. We ship from three warehouses via Fedex and UPS. PetBird Xpress is proud to represent Lafeber. We never sell unproven off-brand products. At PetBird Xpress, your satisfaction is our number 1 concern! We've been at it for over 15 years and we have satified thousands of customers like you.