Minerals

Minerals are part of everyday nutrition.

Minerals such as magnesium, calcium, iron and zinc are nutrients that the body needs for different functions. They can come from food, fortified foods and supplements.

A varied diet can provide many essential nutrients, so read the label carefully and compare the amount per portion, the form used and the other ingredients.

Common minerals

Magnesium

Involved in normal muscle and nervous system function.

Calcium

Relevant for the maintenance of normal bones and teeth.

Iron

Involved in normal oxygen transport in the body.

Zinc

Contributes to normal immune system function.

Selenium

A trace mineral with several nutrient roles.

Potassium

An electrolyte involved in normal muscle function.

Each page explains the nutrient in plain language and distinguishes established evidence from marketing claims.

Food first, supplement when appropriate

A varied diet can provide many essential nutrients.

Supplements can be useful in specific situations, but they are not automatically necessary simply because a product is available.

Read the label carefully

  • Recommended daily portion
  • Amount per portion
  • Form of the mineral
  • Other ingredients
  • Warnings
  • Reference intake information where applicable

Compare mineral products.