High potency vitamin d supplement to support bone and immune health. Vitamin d contributes to the normal function of the immune system and muscles. It is needed for the utilisation of calcium in the body and helps to maintain bones and teeth. Vitamin d is naturally created by the body through exposure to sunlight, individuals with limited exposure to sunlight are recommended to take a vitamin d supplement. Other groups at risk of low levels of vitamin d include; individuals with darker skin tones, the elderly, pregnant and lactating women, children and those with serious illnesses or who have been hospitalised for long periods.