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Plain-English science on vitamin D, deficiency, testing methods, and what your number actually means.
AustraliaVitamin D in winter: how to keep your levels up through the cold months
Australian winters are short and mild compared to the northern hemisphere — but vitamin D deficiency rates still double between May and September. Here's why your...
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How it worksHow to take vitamin D supplements: timing, dose, and what to take it with
Vitamin D is fat-soluble, which changes how and when you should take it. Here's the practical guide — D2 vs D3, with food or empty stomach,...
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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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The whole process takes less time than booking a GP appointment — and tells you more about your vitamin D than a standard blood test.