1) Two case report series from Israel and Switzerland describe 22 cases of severe liver injury following the intake of various Herbalife products for weight loss and well-being. 2) Causality between Herbalife product intake and liver injury was assessed using international standards and deemed "certain" in 5 cases based on positive re-challenges, and "probable" in 13 additional cases. 3) The specific compound or compounds in the Herbalife products that caused liver damage could not be identified as the company refused to provide detailed composition analyses and the patients took between 3-17 different products.