Vitamin D deficiency is strikingly common across India — surveys have repeatedly found most urban Indian women and children testing low, despite the country's abundant sunshine. The gap is mostly about lifestyle: covered clothing, sunscreen, more time indoors, and skin that needs more sun exposure than lighter skin to make the same amount.
Why it matters
- Vitamin D helps the body absorb calcium from food — without enough of it, extra calcium in the diet is largely wasted
- Both matter for bone growth in children and for protecting bone strength in women, especially around and after menopause
- Low Vitamin D has also been linked to tiredness and lowered immunity in research, though correcting it is not a treatment for either on its own
Everyday food and sunlight sources
| Source | What it gives |
|---|---|
| Skin exposed to midday sun (10–20 minutes) | Vitamin D |
| Egg yolk | Vitamin D |
| Fatty fish, if eaten (sardines, mackerel) | Vitamin D |
| Mushrooms left in sunlight before cooking | Vitamin D |
| Fortified or toned milk | Vitamin D + calcium |
| Milk, curd, paneer | Calcium |
| Ragi (finger millet) | Calcium |
| Sesame seeds (til), til chikki | Calcium |
| Green leafy vegetables | Calcium |
Getting safe sun exposure
- Late morning (roughly 10 am–1 pm) makes Vitamin D fastest — it needs UVB, which is stronger then than in the soft early-morning light
- Bare arms, legs or back for 10–20 minutes, a few times a week, is enough for most people — there is no need to sunburn
- Glass blocks the UVB that makes Vitamin D, so sitting by a sunny window does not count
- Sunscreen is still worth using for any longer time outdoors — a short, deliberate exposure first, then sunscreen for the rest, is the usual balance
When food and sun alone may not be enough
- Persistent bone or muscle aches, or a child who is slow to start walking
- Very limited sun exposure — always fully covered, mostly indoors, or a long winter with little sun
- A blood test that already shows a deficiency
A blood test is the only real way to know Vitamin D levels — tiredness alone does not confirm it, since many other things cause fatigue too. If a doctor prescribes a supplement, take exactly what and for as long as they advise; this is not something to start or dose on your own.
A simple day's foods
Breakfast: Ragi porridge made with milk Lunch: Dal, a vegetable, roti, a bowl of curd Snack: A small handful of til chikki or roasted sesame laddoo Sometime in the day: 15–20 minutes outdoors in the late-morning sun, arms uncovered