If you've been bodybuilding for more than a decade, you will likely remember the hype that surrounded a simple supplement known as ZMA at the turn of the millenium. A combination of zinc and magnesium aspartate plus vitamin B.
If you've been bodybuilding for more than a decade, you will likely remember the hype that surrounded a simple supplement known as ZMA at the turn of the millenium. A combination of zinc and magnesium aspartate plus vitamin B.