This is an alternate blend for helping your immune system reverse the blastodystis hominis parasite infection. The FDA has not approved of these statements and your are taking this at your own risk for 18 days as recommended by your health advisor. P-BCH-1 and P-BCH-2 are just a little different energetically and are usually taken with dinner for 18 days. Not intended to diagnose, treat, cure or prevent disease.