Magnesium in the forms that absorb well — glycinate (calm, sleep), citrate (energy, digestion), malate (muscle, fatigue), taurate (heart, nervous system), and threonate (cognitive) — as capsules, powders, transdermal sprays, bath flakes and lotions. Magnesium contributes to normal muscle function, energy metabolism, nervous system function, psychological function and electrolyte balance. Brands: Viridian, Lamberts, BetterYou, NaturesPlus, Biocare, Cytoplan and Mag365.