ISS Research: ZMA

Studies have surmised 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) to promote muscle strength increase during workouts.*

Formulated with absorption- and utilization-enhancing B vitamins this powerful, all-natural, nonsteroidal testosterone-booster also supports insulin-like growth factor (IGF-1) to promote muscle strength increase during workouts.*