Magnesium is a vital mineral that plays an important part in the metabolism process. It also supports a range of functions from reducing tiredness to the health of your bones and teeth. Comes in a great value 6 month supply.nFeatures of Nutri Within magnesium 200mg 180 capsules 6 month\'s supplynContributes to electrolyte balancenContributes to normal energy-yielding metabolismnContributes to the normal function of the nervous systemnContributes to the normal psychological functionnContributes to normal muscle functionnContributes to normal protein synthesisnContributes to maintenance of normal bones and teeth