Support your body's calcium and magnesium needs with this warm, soothing drink. MaxCalm - Unflavored from Natural Vitality is one of the best-selling magnesium supplements that helps you maintain healthy magnesium levels. It's the only water-soluble magnesium blend utilizing an exclusive delivery formula and balanced pH, which provides superior magnesium absorption and maximum benefit. Just add hot water and enjoy this anti-stress drink like hot tea.