Magnesium
Involved in normal muscle and nervous system function.
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.
Involved in normal muscle and nervous system function.
Relevant for the maintenance of normal bones and teeth.
Involved in normal oxygen transport in the body.
Contributes to normal immune system function.
A trace mineral with several nutrient roles.
An electrolyte involved in normal muscle function.
Each page explains the nutrient in plain language and distinguishes established evidence from marketing claims.
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.
Last reviewed: August 2026