I had been struggling for years, removing more and more things that upset my system - and still having trouble.
After starting BIO X4, I'm no longer having problems, and am slowly adding things back into my diet - things I've missed - and the more healthful food options are once again on the menu whereas before many of these things upset me the most.
I highly recommend this product. I don't know which component I so badly needed (I suspect the digestive enzymes alone would do the same thing), but I don't care. It works!
Bottom Line: Yes, I would recommend this to a friend