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Minerals: Their functions, deficiency symptoms, recommended daily intake and natural sources

Updated on June 17, 2017

Human Body Needs Minerals

Human beings all over the world endeavor to lead a healthy life. But in today’s competitive, stressful and polluted world, achieving this endeavor is indeed a challenge. Consuming a healthy, balanced and nutritious diet assures good health.

Human body needs minerals for its normal functioning. Here is a brief overview of minerals, their functions, deficiency symptoms and natural sources.

Major minerals and trace minerals

Minerals are categorized as major minerals and trace minerals. Major minerals are required by the body in doses of 100 mg/day or more. Calcium, potassium, sulfur, sodium, chlorine and magnesium are examples of major minerals.

Trace minerals are a those minerals that human body needs in very small amounts. Iron, cobalt, copper, zinc, molybdenum, iodine and selenium are examples of trace minerals.

Calcium

Functions of calcium

Human body contains more calcium than any other mineral. Calcium is necessary for healthy and strong bones and teeth. It promotes normal functioning of heart muscles and nerves. It also plays a significant role in the blood clotting process.

Symptoms of calcium deficiency

Muscle cramps, dry skin, increased PMS symptoms, bone breakage, late signs of puberty, bone fracture, weak nails, insomnia, poor bone density, tooth decay and brittle nails are some known symptoms of calcium deficiency.

Natural sources of calcium

Low fat cheese, fortified soy products, dark leafy greens, low fat yogurt, Chinese cabbage, cooked okra, broccoli, low fat milk, green snap beans and almonds are rich in calcium.

Almonds are rich in calcium

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Phosphorus

Functions of phosphorus

Phosphorus is essential for a healthy cellular system. It plays a major role in repairing body cells. It is necessary for normal growth of cells. It promotes strong and healthy bones and teeth. It plays a significant role in energy metabolism in the body. It also maintains acid base balance in the body.

Symptoms of phosphorus deficiency

Phosphorous and calcium account for 75 percent of total mineral element in the human body. Weak bones, joint pain, weak teeth, lack of appetite, joint stiffness and fatigue are some known symptoms of phosphorus deficiency.

Natural sources of phosphorus

Sesame seeds, rice bran, roasted soybeans, sunflower seeds, oat bran, squash seeds, toasted wheat germ, pumpkin seeds, pine nuts, cheese, watermelon seeds, tahini, Brazil nuts and flax seeds are natural sources of phosphorus.

Sunflower seeds are rich in phosphorous

Gozinaki from Sunflower seeds
Gozinaki from Sunflower seeds

Potassium

Functions of potassium

Potassium is a major cat ion inside animal cells. It is necessary for the normal functioning of the nerve impulses and the muscular system. It is required for maintaining proper fluid balance. It promotes a healthy cardiovascular system.

Symptoms of potassium deficiency

Muscular weakness, paralysis, frequent urination, stiff muscles, muscular cramps, extreme thirst, abdominal pain, muscle pain, muscular spasms, heart palpitations, muscular tetany, numbness, tingling, abdominal cramping, muscle tenderness, dizziness, fainting and abdominal bloating are some symptoms of potassium deficiency.

Natural sources of potassium

White beans, carrots, raisins, tomatoes, dark leafy greens, baked potatoes, dried apricots, baked acorn squash, plain yogurt, bananas, white mushroom and avocados are high in potassium.

White Beans are rich in potassium

Healthy hair

Sulfur

Functions of sulfur


Sulfur is found in all the cells of the body. It plays a significant role in many biochemical reactions (like enzyme reactions and protein synthesis) in the body. It promotes healthy hair, skin and nails. It maintains healthy oxygen levels in the body and protects the joints. It is one among the minerals good for hair.

Symptoms of sulfur deficiency

Itchy skin, eczema, acne, itchy scalp, diaper rash, tooth ache, nose bleeds, measles, cold, joint pain, migraine headaches, flatulence, indigestion, vomiting, diarrhea, hemorrhoids, impotence and sore throat are some symptoms of sulfur deficiency.

Natural sources of sulfur

Aloe vera, artichoke, arugula, avocado, bee pollen, Brussels sprouts, dill, radish, spinach, strawberries, tomatoes, turnips, hemp seeds, horseradish, kale, legumes, lima beans, peaches and pears are rich in sulfur.

Aloe vera is rich in sulfur

You can grow aloe vera at home! Here are some tips

Spinach contains sodium

Sodium

Functions of sodium

Sodium plays a significant role in maintaining a healthy blood pressure. It is required for a healthy nervous system. It promotes muscular health. It maintains normal osmotic pressure and water balance of the body. It is necessary for the absorption of glucose and for transportation of other nutrients across membranes.

Symptoms of sodium deficiency

Hyponatremia is the medical term for sodium deficiency. Muscle cramps (especially in the muscles of the extremities), headache, fatigue, apathy, feeling of weakness and nausea are some common symptoms of sodium deficiency.

Natural sources of sodium

Spinach, fenugreek, pulses, sun dried tomatoes, salted peanuts, salted almonds, salted cahdew, peppers, buttermilk and serials are known natural sources of sodium. Common salt is the chief source of sodium in our diet.

Chlorine

Functions of chlorine

Chlorine purifies the blood by expelling waster matter. It is the chief anion in the body. Chlorides if sodium and potassium regulate osmotic pressure in the tissues. It prevents build up of excessive fat.

Symptoms of chlorine deficiency

Heat cramps, excessive perspiration, burns, kidney disorders, congestive heart failure, Addison’s disease, hair loss, problems related to the digestive system, dental problems and disturbance in fluid levels in the body are some symptoms of deficiency in chlorine.

Natural sources of chlorine

Wheat, barley, grains, pulses, dulse, kelp, melon, olives, pineapple and green leafy vegetables are good sources of chlorine. Table salt is the main source of sodium in our diet.

Teeth

Magnesium

Functions of magnesium

Magnesium promotes healthy bones and teeth. It is required for healthy functioning of the nervous system. It plays a significant role in energy metabolism. It enables many biochemical processes. It is essential for healthy cells.

Symptoms of magnesium deficiency

Heart problems, weakness, muscular cramps, tremors, respiratory problems, dizziness, poor memory, confusion, nausea, anxiety and high blood pressure are some known symptoms of magnesium deficiency.

Natural sources of magnesium

Soybeans, pumpkin seeds, sunflower seeds, black beans, cashew nuts, dark leafy greens like spinach, Brazil nuts, squash, sesame seeds, almonds and okra are good sources of magnesium.

Pumpkin seeds are rich in magnesium

Kale is rich in iron

Iron

Functions of iron

Iron plays a significant role in transferring oxygen from the lungs to the tissues. It is required for a healthy respiratory system. It is necessary for energy metabolism. It is needed for a healthy immune system.

Symptoms of iron deficiency

Fatigue, swollen tongue, brittle nails, sore tongue, enlarged spleen, cracks in the sides of the mouth, restless legs syndrome and frequent infections are some common symptoms of iron deficiency.

Natural sources of iron

Squash, pumpkin seeds, cashew nuts, pine, hazel nuts, peanuts, almonds, beans, pluses, whole grains, fortified cereals, bran, cocoa powder and dark leafy greens are good sources of iron.

Cobalt

Functions of cobalt

Cobalt is necessary for the normal functioning of the pancreas. It is required for hemoglobin formation. It promotes normal growth of the human body. It plays a significant role in iron absorption.

Symptoms of cobalt deficiency

Chronic fatigue syndrome, slow muscle growth, nerve damage, fibromyalgia, digestive disorders, pernicious anemia and poor circulation are some symptoms of cobalt deficiency.

Natural sources of cobalt

Organic apricots, sea vegetables, Irish moss, nuts, cereals (like oats) green leafy vegetables (like broccoli and spinach) and apricot kernels are some natural sources of cobalt. Cobalt is a vitamin B 12 mineral. Vitamin B12 is the only vitamin which contains a trace element cobalt.

Irish moss contains cobalt

Copper

Functions of copper

Copper plays a significant role in formation of RBC (red blood cells). It is required for healthy blood vessels. It promotes a healthy nervous system and a healthy immune system. It is necessary for strong and healthy bones.

Symptoms of copper deficiency

Anemia, infections, low immunity, loss of sensation, difficulty in walking, loss of balance, depression, speech problems and tremor are common symptoms of copper deficiency.

Natural sources of copper

Whole grains, beans, nuts, potatoes, sesame seeds, sunflower seeds, sun dried tomatoes, roasted pumpkin, squash seeds, dark leafy greens, dried fruits, cocoa, black pepper and yeast are good sources of copper.

Potato contains copper

Whole grains contain zinc

Whole grain French toast
Whole grain French toast

Zinc

Functions of zinc

Zinc is necessary for the proper functioning of the immune system. It plays a significant role in cell division and cell growth. It is required for breakdown of carbohydrates. It promotes healing of wounds. It is one among the minerals good for skin.

Symptoms of zinc deficiency

Diarrhea, abnormal brain development, skin lesions, poor immune system, slow healing of wounds, eye lesions and skin problems are some commons symptoms of zinc deficiency.

Natural sources of zinc

Nuts, whole grains, legumes, yeast, toasted wheat germ, roasted pumpkin seeds, roasted squash seeds, dried watermelon seeds, dark chocolate, cocoa powder and peanuts are good sources of zinc.

Human cell nucleus

Molybdenum

Functions of molybdenum

Molybdenum helps break down toxic build up due to sulfites. It promotes healthy functioning of the cells. It plays a significant role in nitrogen metabolism. It prevents cavities.

Symptoms of molybdenum deficiency

Liver problems, jaundice, nausea, fatigue, headache, tachypnea, tachycardia, vomiting, coma, seizures, lens dislocation, retardation and opisthotonus are possible symptoms of molybdenum deficiency.

Natural sources of molybdenum

Black beans, walnuts, lentils, peas, liver tomatoes, carrot, navy beans, lima beans, kidney beans, almonds, peanuts, chestnuts, cashews and green soybeans are some natural sources of molybdenum.

Black beans are rich in molybdenum

Thyroid gland

Iodine

Functions of iodine

Iodine is required for cell metabolism. It is required for the normal functioning of the thyroid glands. It supports the process of apoptosis (programmed death of unhealthy cells). It supports protein synthesis. It also enhances ATP production.

Symptoms of iodine deficiency

Choking, difficulty in breathing, abnormal menstrual cycles, deafness, gait, mental deficiency, posture disorders, depression, fatigue, dry skin and difficulty in swallowing are some common symptoms of iodine deficiency.

Natural sources of iodine

Iodized salt, dry seaweed, baked potato with peel, sea vegetables, cranberries, organic yogurt, organic navy beans, milk, organic strawberries, Himalayan crystal salt and boiled eggs are some known sources of iodine.

Cranberries contain iodine

Garlic is rich in selenium

Selenium

Functions of selenium

Selenium protects the body after a vaccination. It prevents cell damage. It protects the body from poisonous effects of some heavy metals and other harmful substances. Some experts are of the opinion that it prevents cancer.

Symptoms of selenium deficiency

Selenium deficiency causes Keshan disease. Kashin-Beck disease is caused by selenium deficiency. This medical condition affects the bones and joints. Mental retardation is a common symptom of selenium deficiency.

Natural sources of selenium

Garlic, shiitake mushrooms, brewer’s yeast, brown rice, oats, crimini mushrooms, Brazil nuts, sunflower seeds, button mushrooms, wheat germ and barley are good sources of selenium.

Recommended daily intake (RDI) of minerals

Minerals essential for human body
RDI
Calcium
1,000 mg
Phosphorous
700 mg
Potassium
4,700 mg
Sulfur
500 mg
Sodium
1,500 mg
Chlorine
2,300 mg
Magnesium
420 mg
Iron
18 mg
Cobalt
1.5 µg of vitamin B12
Copper
900 µg
Zinc
8 mg
Molybdenum
45 µg
Iodine
150 µg
Selenium
55 µg
Consuming appropriate amount of minerals daily will ensure good health.

Minerals are necessary for general health and overall well-being. A well balanced diet should include the above-mentioned minerals. As far as possible it is advisable to get your minerals from natural sources. Have minerals in food. However, you may take supplements if your doctor advises you to do so.

Summary

  • Minerals are categorized as major minerals and trace minerals.
  • Calcium is the most abundant mineral in the human body.
  • Phosphorus is necessary for cellular health.
  • Potassium is required for healthy muscular and nervous system.
  • Iron is necessary for energy metabolism.
  • Cobalt is required for normal functioning of pancreas.
  • Zinc promotes a healthy immune system.

Nutrition poll

Do you think you are getting enough minerals?

See results

Comments

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    • srirad0675 profile imageAUTHOR

      Srikanth R 

      19 months ago

      Welcome.

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      kgotosah 

      19 months ago

      Thanks

    • srirad0675 profile imageAUTHOR

      Srikanth R 

      4 years ago

      You are welcome!

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      Chimfeka 

      4 years ago

      Very helpful, thanks!

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