Source Naturals Calcium&Magnesium 300Mg 100Tabs contains Calcium and magnesium which work together in several key physiological processes.

• They are important in the regulation of blood pressure and are responsible for healthy muscle function.
• Calcium is needed for muscle contraction and magnesium for muscle relaxation.
• In addition, they are both components of skeletal tissue, and magnesium is necessary for calcium absorption into the bones.