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.