The world’s best-selling horse liniment As important to horse care today as it was over a century ago, Absorbine® Veterinary Liniment was originally formulated to soothe the muscles and improve the welfare of hardworking horses back in 1892. Today, it’s the world’s best-selling horse liniment and continues to offer the same soothing blend of natural herbs and essential oils that provides powerful pain relief for sore muscles, tendons, and stiff joints.