All-Natural, Nonsteroidal Testosterone-Booster!
Studies have shown that taking supplemental zinc and magnesium can elevate testosterone levels significantly. ZMA is a unique anabolic mineral support formula containing highly bioavailable forms of the two minerals; zinc monomethionine (L-OptiZinc? - US Patents 4764633 and 5278329 pending) and covalently-bound zinc/magnesium aspartate.
- Increases insulin-like growth factor (IGF-1) for proven muscle strength increase during workouts.