MyoCalm 180 tabs by MetagenicsMyoCalm is a time tested, specialized formula that provides bioavailable forms of magnesium and calcium blended with select herbs that support healthy muscle function. Supplies important minerals involved in muscular contraction and relaxation responses. May help relieve minor muscle pain associated with stress or physical exertion, and may prevent nocturnal leg muscle cramps. Features extracts of passionflower and valerian for added relaxation