28/04/2026
Minerals are essential trace elements and major elements required by the human body, participating in various physiological processes to ensure overall health. They are classified into two categories: major elements (needed in larger amounts) and trace elements (needed in smaller amounts). Below are common minerals and their functions:
1. Zinc
Main Functions: Zinc is a component of many enzymes, involved in immune responses, wound healing, DNA synthesis, and cell division. It also plays a vital role in maintaining taste, smell, and normal growth and development.
Deficiency Symptoms: Decreased immunity, slow wound healing, reduced appetite, skin problems.
Sources: Red meat, shellfish, nuts, whole grains, legumes, dairy products.
2. Magnesium
Main Functions: Magnesium helps maintain bone health, regulates the nervous system and muscle function, participates in over 300 enzyme reactions, and supports energy metabolism and heart health.
Deficiency Symptoms: Muscle cramps, fatigue, insomnia, arrhythmia, emotional instability.
Sources: Nuts, leafy green vegetables, whole grains, legumes, fish.
3. Iron
Main Functions: Iron is a core component of hemoglobin, helping carry oxygen to different parts of the body. It also participates in energy metabolism and supports the immune system.
Deficiency Symptoms: Anemia, fatigue, paleness, heart palpitations, dizziness.
Sources: Red meat, fish, poultry, legumes, dark leafy vegetables, fortified cereals.
4. Potassium
Main Functions: Potassium plays a critical role in maintaining fluid balance, nerve transmission, muscle contraction, and heart rhythm. It also helps lower blood pressure.
Deficiency Symptoms: Muscle weakness, cramps, arrhythmia, fatigue, low blood pressure.
Sources: Bananas, potatoes, spinach, oranges, tomatoes, legumes.
5. Copper
Main Functions: Copper aids in the absorption of iron, promotes the formation of red blood cells, supports immune function, and contributes to nervous system health.
Deficiency Symptoms: Anemia, decreased immunity, bone and vascular problems, nerve damage.
Sources: Liver, seafood, nuts, seeds, legumes, whole grains.
6. Manganese
Main Functions: Manganese is a component of many enzymes, supporting bone health, promoting metabolism, aiding wound healing, and having antioxidant properties.
Deficiency Symptoms: Poor bone development, metabolic issues, impaired immune system, skin problems.
Sources: Whole grains, nuts, legumes, leafy vegetables, tea.
7. Selenium
Main Functions: Selenium is a potent antioxidant, helping protect cells from damage caused by free radicals. It supports the immune system and promotes the synthesis of thyroid hormones.
Deficiency Symptoms: Decreased immunity, heart disease, thyroid dysfunction, muscle weakness.
Sources: Brazil nuts, seafood, whole grains, seeds.
8. Iodine
Main Functions: Iodine is an essential element for the synthesis of thyroid hormones, which are crucial for regulating metabolism, body temperature, and normal growth and development.
Deficiency Symptoms: Goiter (thyroid enlargement), fatigue, weight gain, dry skin.
Sources: Seafood, seaweed, iodized salt, dairy products.
9. Calcium
Main Functions: Calcium is the primary component of bones and teeth, helping to maintain bone strength. It also supports normal heart, nerve, muscle, and blood clotting functions.
Deficiency Symptoms: Decreased bone density, osteoporosis, muscle cramps, dental issues, increased fracture risk.
Sources: Dairy products, leafy green vegetables (e.g., broccoli, spinach), tofu, fish (especially those with bones).
General Recommendations
Maintaining a balanced diet is essential to ensure an adequate intake of minerals from various foods, especially for those at risk of deficiency (e.g., pregnant women, the elderly, vegetarians).
If you experience symptoms of mineral deficiency, it is recommended to consult a doctor for blood tests and appropriate supplementation as needed.
These minerals are crucial for maintaining normal bodily functions, and deficiencies can affect health. Therefore, it is important to monitor and ensure adequate intake.
