Glossary

What are micronutrients?

Micronutrients are the vitamins and minerals your body needs in very small amounts, such as iron, iodine, folate, vitamin A, vitamin B12, vitamin D and calcium. They're called micro because the quantities are tiny, not because they matter less.

Written by Poshan Labs. Sources are named on the page. Last updated 26 October 2026.

Micronutrients: the vitamins and minerals your body needs in very small amounts, such as iron, iodine, folate, vitamin A, vitamin B12, vitamin D and calcium.

Why micronutrients matter

Your body uses micronutrients to make enzymes and hormones and to keep growth, energy and immunity working.

According to the World Health Organization:

  • iron, vitamin A and iodine deficiencies are the most common worldwide
  • low iron, folate, vitamin B12 or vitamin A can all lead to anaemia

Anaemia can leave you tired, weak, breathless and dizzy, and it is especially common in women and in low- and middle-income countries.

Even mild shortfalls can lower your energy and concentration long before anything shows up as an illness.

Micronutrients in Indian food

A varied diet is the main protection.

Fill your plate with:

  • seasonal vegetables and green leafy sabzis
  • fruit
  • dal, whole grains, nuts and seeds
  • milk or curd

Small habits that help:

  • Use iodised salt.
  • Pair iron-rich foods like palak, chana or bajra with something sour and vitamin C-rich like lemon or amla to help absorption.

If you're pregnant, vegetarian or have heavy periods, ask your doctor whether you need blood tests, since some deficiencies need medical treatment as well as food changes.

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