Osogbo, Osun State, Nigeria

Minerals – Food

Minerals – Food

Minerals are chemical substances needed by the body. Calcium and Phosphorus are needed for the formation of strong bones and teeth. Iron is needed for the formation of red blood cells. Chlorine is needed by the glands in the stomach to make hydrochloric acid. Human hair contains 4 to 6 sulfur. Other minerals are needed for the formation of hormones, enzymes and other body substances. Foods from the four food groups are good sources of minerals.

The absence of minerals can harm the body. a lack of iodine in the diet can cause a goiter, an enlargement of the thyroid gland. Iodine compounds are added to table salt so that the body gets enough of the mineral to prevent thyroid enlargement.

Minerals used by the body must be in the form of compounds. In a compound the minerals are combined with other elements.Many minerals needed for the body are poisonous in their element form. The elements sodium and chlorine are poisonous. Table salt, a chemical compound of sodium and chlorine is a necessary nutrient. Sodium is necessary to maintain proper blood pressure. Chlorine is an essential part of digestive fluids and helps the body carry carbon dioxide.

As with most nutrients, you can get too much of a good thing. If used in large amounts, minerals can be harmful for your health. For example the high table salt intake has been linked to high blood pressure in some people.

Some minerals with the required intake

MineralSuggested daily amount (mg)Body function
Calcium800Blood clotting, development of bones and teeth
Chlorine1700 – 5100Essential to food digestion, helps blood carry carbon dioxide to the lungs
Chromium0.05 – 0.2Helps regulate insulin
Copper2 – 3Helps produce hemoglobin
Fluorine1.5 – 4Formation of bones and tooth enamel
Iodine0.15Thyroid function
Iron10Essential part of hemoglobin


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