some do not agree:All THREE are an absolute WASTE OF MONEY!
NO STUDY (that I'm aware of) has shown they "protect the liver" from "toxins", as a prophylactic measure!
Regs
Jim
http://www.med.nyu.edu/content?ChunkIID=21817
http://www.ncbi.nlm.nih.gov/pubmed/21466434
http://www.pharmacologyweekly.com/articles/Milk-Thistle-protects-liver-failure