There is some credible research on a prevalent antioxidant, that is most active within the liver, necessary of the integrity of the cell in the liver.
You can go to this website that is probally the most credible in finding the latest research on a particular subject, go to
www.pubmed.gov which is the U.S National Library of Medicine & Health.
Look up this key protein "GLUTATHIONE" in relation to your concerns, I believe this info will be helpful to you.
Take Care of yourself!