Just got home from Mayo. They really dont look at ggt. mine 657. Alk. Phosph. 357. biopsy showed stage 3. bilarubin good. cholestrol great. Aorta good. No do's or dont's to change in my life. just started itching and not on meds yet. Want me to take 900 mg. a day. Start slowly. Will it make me feel any different? If it works, it suppose to add 30 yrs. (that will put me at 84). But what if i dont take it??? fatigued and thought process off a little.