Naka MAGNESIUM BISGLYCINATE is a high-quality, highly bioavailable MAGNESIUM supplement. Magnesium is needed to metabolize carbohydrates, proteins, and fats, and for healthy bones and teeth, proper muscle function, and overall good health. Magnesium bisglycinate from Naka lowers blood pressure, supports the heart, nervous system and cellular energy. Magnesium bisglycinate has also show support for muscle cramps, restless leg syndrome, reducing migraines and symptoms of PMS. 120 BONUS SIZE!!