Mickus his liver isn't damaged he just has elevated Bilirubin levels which means it has been working harder to rid the body of the toxins. Thankfully the liver has remarkable regenerative ability as long as it inst continuity's stressed over long periods of time.
Nice post tom, I think the key here (as in all things) is to use these drugs sensibly and in moderation. The real problems will only occur if people use and stack products indiscriminately and use them over extended periods in a "get big quick" approach.