Developed in 1955, LiverCare®, known internationally as Liv.52®, is the world's best-selling liver support formula. 182 clinical studies have been conducted on this unique herbal formulation, showing LiverCare®'s safety, efficacy and superiority over other liver support supplements. Developing this incredible product didn't happen overnight. In fact, scientists went through 51 formulations before they got it just right. Thus the name, Liv.52®.