Vitamins and minerals

Vitamins and minerals are nutrients your body needs in small amounts to work properly and stay healthy.

Most people should get all the nutrients they need by having a varied and balanced diet, although some people may need to take extra supplements.

What this guide covers

This guide has information about:

Use these links to find out what these nutrients do, how much of them you need, how to ensure you get enough, and what the risks are if you take too much.


There are 3 types of units used to measure amounts of minerals and vitamins:

Additional information

There are separate pages on:

Page last reviewed: 3 August 2020
Next review due: 3 August 2023