What is Magnesium Plus? Magnesium plays a number of important roles within the body and is also crucial for protein synthesis which is vital for the growth of muscles. Each Magnesium Plus tablet delivers 375mg of magnesium as well as the entire family of B vitamins and at only 10p per day offers exceptional value for money. Why is Healthspan’s better? In accordance with nutritional guidelines they have selected a dual source formulation for their Magnesium Plus supplements consisting of magnesium oxide and magnesium hydroxide. This formula facilitates a high dose of magnesium whilst avoiding digestive complaints. A range you can trust This product has undergone rigorous testing by LGC’s world-class sports anti-doping laboratory, Sport and Specialised Analytical Services, for a wide range of substances banned by the World Anti-Doping Agency (WADA) to provide the highest levels of assurance possible for athletes.