NAC worked really well with ABX for me. I can't explain exactly why and provide you with good links, but you may want to check out NAC if you are taking ABX. NAC helps build glutathione, works on biofilms, protects the liver, and all kinds of great stuff. I think the NAC working on biofilms may be part of the benefit from the NAC for me personally. That is just based on my intuition.