Swisse Ultiboost Magnesium, Calcium + D3, maintains bone health, supports healthy muscle function and relieves muscle cramps when dietary magnesium intake is inadequate.Swisse Ultiboost Magnesium, Calcium + D3 is a premium quality formula which contains Magnesium to help reduce muscle cramps and relieve mild muscle spasms when dietary intake is inadequate. Magnesium helps the body convert food into energy, supports healthy functioning of the nervous system, and helps maintain a healthy cardiovascular system. The formula also contains calcium which is important for healthy bones, and vitamin D which helps calcium absorption.Supports healthy muscle function.Relieves muscle cramp.Maintains bone health.Assists in the prevention of osteoporosis when dietary calcium intake is inadequate.