LiverTox is a data base to check on liver toxicity of supplements. I looked up green tea (see the small field at the top "Search: enter a drug name").
Dietary Supplements Can Cause Liver Injury, Says Hepatologist
Niacin, comfrey, Kava and even green tea in high doses can cause liver injury. A Loyola liver specialist praises the new LiverTox free online database of drugs and explains acetaminophe…