Blackmores Vitamin D3 assists in maintaining healthy bone density by providing minerals to the skeleton. Adequate levels of Vitamin D are essential for normal calcium absorption and healthy bones. Vitamin D also improves muscle strength in the elderly which may reduce the incidence of falls. People need regular exposure to sunlight on their skin to make vitamin D but should avoid exposure during peak UV periods. Asignificant number of Australians do not receive enough Vitamin D due to lifestyle and diet. Ageing decreases the skins ability toproduce vitamin D. Blackmores Vitamin D3 contains Vitamin D3, the form produced naturally in the body. This form is longer lasting and moreeffective at raising vitamin D blood levels than D2.