just some info for you on losing weight from liver flushing.
i used to be under weight when i was really toxic. i hated being that skinney. i kept liver flushing though because i knew if my liver was healthier i'd gain weight. so i kept fushing, eating a good amount plus i started himalayn goji juice. i am now normal weight.
don't let the fact that you are under weight stop you from cleansing your liver. it will helkp you normalize your weight in the long run.
ps- the website i get the goji juice from is
http://www.wonderjuice.freelife.com
incase you want to try it. i love the stuff.