Drinking lots of water will be helpful, and it sounds like you have leaky gut pretty badly. So be sure to read that post and consider taking L-glutamine. It may be a good idea to fast once you stop breastfeeding... but you must be sure to go on a regimen of nourishment after cleansing!!! :)
MSM is in Livatone Plus, and in that it's quite balanced for liver detoxing. It's not always a good idea to take large doses of MSM.