![]() In winter, longer exposure times are needed, preferably around midday. In summer, exposure is best at mid morning or mid afternoon (outside peak UV times). Required sun exposure times will vary based on season, location, area of skin exposed and skin type. However, many Australians do not have adequate vitamin D levels, especially during winter. The amount of sun exposure required to produce adequate levels of vitamin D is relatively low. Vitamin D is produced when our skin is exposed to ultraviolet B (UVB) light emitted by the sun. Vitamin D and sunshineįor most Australians, sunshine is the main source of vitamin D. Vitamin D also helps to control calcium levels in the blood and helps to maintain muscle strength. By improving the absorption of bone-building calcium from the intestine, vitamin D is important to the growth and maintenance of a strong skeleton. ![]() Vitamin D plays an essential role in bone health.
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