Yes, you can. Despite year-round sun, research has found roughly a third of Singaporeans have low vitamin D, and some studies put the "at risk" figure higher. Indoor lifestyles, daily sunscreen, and staying in the shade all reduce how much vitamin D our skin actually makes.

How is deficiency possible in a sunny country?

It sounds like a contradiction, but it makes sense once you look at how we live. Vitamin D is made when UVB light hits bare skin, yet most of us spend the bulk of our day indoors, in offices, in aircon, under a roof. When we do step out, we often use umbrellas, long sleeves and sunscreen to escape the heat and protect our skin. Studies suggest sunscreen at SPF 30 can cut vitamin D production in the skin dramatically. In other words, the same habits that protect us from pigmentation and heat also lower our vitamin D.

Who is most at risk?

Local research has reported that women tend to have lower vitamin D levels than men, partly due to more frequent sunscreen use and differences in body composition. Office workers, people who cover up for religious or cultural reasons, those with darker skin tones (which needs more sun exposure to make the same amount), and anyone who simply doesn't get outdoors much are all more likely to run low. Pregnancy is another period when levels deserve attention.

Why does vitamin D matter for women 20-40?

Vitamin D helps your body absorb calcium, which is central to building and maintaining bone. Your late 20s and 30s are when you're still banking bone density, the reserves you'll draw on for decades. It also plays a role in normal immune function and muscle function. This isn't only a "menopause issue": the foundations you lay now matter later. Vitamin D is support for long-term bone health, not a treatment for any disease.

How can you support healthy vitamin D levels?

A few practical steps: aim for some sensible sun (short, non-peak exposure of arms and legs a few times a week, balanced against your skin goals), include food sources like oily fish, eggs and fortified products, and consider a supplement if you're likely low. Vitamin D works hand in hand with vitamin K2 and calcium for bone support, which is why our Daily Bone+ Drops combine them in a simple daily dose. If you're curious about your actual level, a simple blood test through your GP is the most reliable way to know.

Can you take too much?

Vitamin D is fat-soluble, so it's possible to overdo it with very high doses over time. Stick to recommended amounts on the label unless a doctor has advised otherwise, and don't stack multiple high-dose products without guidance.

Frequently Asked Questions

How much sun do I actually need?

There's no one-size answer, and it depends on skin tone, time of day and how much skin is exposed. Many people find it hard to get enough from sun alone in an indoor lifestyle, which is where diet and supplements can help.

Should I get my vitamin D tested?

If you're often indoors, use sunscreen daily, or feel you may be at risk, a blood test via your GP is the clearest way to check. It also helps you and your doctor decide on the right dose.

Is a supplement necessary if I eat well?

Food helps, but few everyday foods are naturally rich in vitamin D. A supplement may be useful support for people who are low or at risk, alongside a balanced diet.

This article is general education and not medical advice. Please consult a qualified healthcare professional for guidance specific to you.