Journal
Plain-English science on vitamin D, deficiency, testing methods, and what your number actually means.
australiaWhen to test vitamin D in Australia: A seasonal guide
The best time to test vitamin D in Australia depends on what you want to know. A guide to winter, summer and follow-up testing — and...
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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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The whole process takes less time than booking a GP appointment — and tells you more about your vitamin D than a standard blood test.