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Plain-English science on vitamin D, deficiency, testing methods, and what your number actually means.
AustraliaHow much vitamin D do you actually need? An Australian guide
There's no single right answer to "how much vitamin D do I need" — it depends on your blood level, your age, your sun exposure, and...
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AustraliaWhy so many Australians are vitamin D deficient (even in summer)
Roughly 1 in 4 Australian adults has insufficient vitamin D. The reasons are part geography, part lifestyle, and part the very public health messaging that protects...
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The whole process takes less time than booking a GP appointment — and tells you more about your vitamin D than a standard blood test.