Vitamin D Deficiency in India: Why a Sunny Country Is Still Running Low

It sounds odd. We live in one of the sunniest countries in the world, and still a blood test showing low vitamin D is one of the most common results Indian doctors see. Studies across Indian cities have repeatedly found low levels in a large share of adults, children and pregnant women.

So what's going on?

Why so many Indians are low

• We stay indoors. Office jobs, coaching classes and long commutes in closed cars or metros mean many people barely see direct midday sun.

• We cover up. Full sleeves, dupattas, sunscreen and avoiding the sun for a fairer look all reduce how much vitamin D the skin makes.

• Darker skin needs more time. Melanin protects the skin but also slows vitamin D production, so brown skin needs longer in the sun for the same amount.

• Pollution blocks UVB. Haze in many cities cuts the UVB rays that skin needs.

• Diet has little of it. Vitamin D occurs naturally in oily fish, egg yolks and some mushrooms. Vegetarian diets have very little unless foods are fortified.

Why it matters

Vitamin D helps your body absorb calcium and keep bones strong. Low levels over time are linked with weak bones, muscle aches and, in children, rickets. Research on its role in immunity and mood is ongoing, but the bone link is the best established.

Symptoms are often vague: tiredness, body aches, low backache, frequent cramps. Many people have none at all.

Get tested before you supplement

A simple blood test called 25-hydroxy vitamin D (25(OH)D) tells you where you stand. Your doctor will decide whether you need a high-dose course to correct a deficiency or just a daily maintenance dose. Self-dosing large amounts for months is not a good idea. Vitamin D is fat-soluble and too much can raise calcium levels in the blood.

D3, K2 and how to take it

• D3 (cholecalciferol) is the form your skin makes and is generally considered better at raising blood levels than D2.

• Take it with a meal that has some fat, like your dal-chawal with ghee or breakfast with eggs or milk, for better absorption.

• K2 (MK-7) is often paired with D3. Vitamin K2 helps activate proteins involved in directing calcium into bone. Research on the combination is promising but still developing. If you take blood thinners like warfarin, speak to your doctor before taking any vitamin K.

If your doctor suggests a daily maintenance dose, our D3 + K2 is one option: 600 IU of vitamin D3 with 52 mcg of K2 as MK-7, 60 tablets for ₹499. Sensible sun exposure, around 15 to 20 minutes on arms and face when the sun is out, still matters too.

The short version

Sunny country, indoor lives. If you're tired, achy or just curious, get your vitamin D checked, follow your doctor's dose, and don't forget the sun and the food side.

This article is for general information only and is not medical advice. Supplements are not meant to diagnose, treat, cure or prevent any disease. Speak to your doctor before starting anything new, especially if you are pregnant, breastfeeding, on medication or managing a health condition.

References

1. G R, Gupta A. Vitamin D deficiency in India: prevalence, causalities and interventions. Nutrients. 2014.

2. Aparna P, et al. Vitamin D deficiency in India. J Family Med Prim Care. 2018.

3. Holick MF. Vitamin D deficiency. N Engl J Med. 2007.

4. Office of Dietary Supplements, NIH. Vitamin D fact sheet for health professionals.