Vitamin D (25-OH)

Vitamin D supports bones, muscles and immunity.

If it's high

Very high levels usually come from too much supplement.

If it's low

Very common in India; can cause tiredness, aches and weaker bones.

• Egg yolks, oily fish such as sardines or mackerel, fortified milk

A question for your doctor

What dose of supplement, and for how long?

All test guides · Track your results free with MyVitalLedger