Adequan® Rebate Receive a $20 rebate per bottle on purchases made between April 1, 2025, and March 31, 2026. Boehringer Ingelheim® Rebates Purchases made between August 1, 2025, and December 31, 2025 may qualify for rebates on GastroGard®, Equioxx®, Prascend®, and Legend®.