Helps avoid gray hair
I haven't been on this long enough to judge if it prevents or slows the production of graying hair.  However, I was on another catalase enzyme product, which worked well.  I've over 50 and have less gray than my mother had at my age as well as my sister.  I also take this supplement as an antioxidant.  All I have is anecdotal information, but that's my experience to date.
Rating: 5 stars