Vitamin D deficiency in Singapore: What levels are low and how much do you need?

Despite living in a tropical climate, a significant portion of Singapore's population suffers from Vitamin D deficiency. The article explains the biological process of Vitamin D synthesis and clarifies that sun exposure is not always a sufficient solution.
Why it matters
Addresses a common public health misconception, providing actionable information for residents in sunny regions regarding nutritional health.
Interpreting your blood test isn’t as straightforward as it seems – and getting more sun isn’t necessarily the solution.
About 40 per cent of Singaporeans are deficient in Vitamin D. (Photo: iStock/Helin Loik-Tomson)
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