Minerals, why do we need them?

We need minerals to build our body. Calcium and magnesium are important for building bones. Some minerals are important for hormones and enzymes. Iodine is important for the thyroid hormone, iron for the red blood dye; it is an important component of the enzyme hemoglobin.


Calcium is necessary for the building of bones and teeth. Children need a lot of calcium while growing . But adults also need calcium to maintain their bones. Calcium is mainly found in milk and milk products.


Phosphorus occurs in bones largely in a bound state with calcium. We therefore find most of the phosphorus in the bones. Together with calcium, it provides firmness. In addition, all tissues and body fluids contain phosphorus. Phosphorus plays a role in almost all metabolic processes. Phosphorus is mainly found in animal products, such as meat, fish, eggs, milk and cheese.


Fluorine protects tooth enamel. It occurs in small amounts in drinking water and in many other foods.


Iodine is important for proper functioning of the thyroid gland. The thyroid hormone contains iodine . An iodine deficiency can cause an enlarged thyroid gland. This can also cause growth disorders. Iodine is mainly found in sea fish, drinking water and iodized salt.


Iron is necessary for the production of hemoglobin. Hemoglobin is an iron-containing protein found in red blood cells. Hemoglobin is responsible for the transport of oxygen to and from the cells and to a lesser extent for the transport of carbon dioxide. An iron deficiency causes anemia. Someone who has anemia will be given extra iron as prescribed by their GP. Pregnant and lactating women need extra iron. Iron is mainly found in meat, fish, whole wheat bread, green leafy vegetables and legumes.


Sulfur is a component of amino acids, which make up proteins. It occurs, among other things, in the epidermis and plays a role in the keratinization process. Sulfur is mainly found in onions, garlic, leek, bread, cheese and eggs.

Sodium and Potassium

Sodium and potassium play a role in the body’s fluid balance. Sodium attracts fluid and potassium expels fluid. Sodium is mainly found outside the cells in your body. It is, among other things, a component of the blood plasma. Most foods contain a small amount of sodium. In addition, extra salt is added to many products, for example cheese, bread and meat products. Table salt consists of a compound between sodium and potassium. Potassium is mainly located in the cells. The ratio of sodium outside the cells to potassium inside the cells must be balanced to maintain the osmotic value of our body. Potassium is mainly found in milk, potatoes, vegetables, fruits and broth.

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