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26 June 2023

The Zinc Factor: Exploring its Crucial Role in Human Nutrition

Calcium is an essential nutrient for the human body. It is responsible for strong bones and teeth, proper muscle and nerve functioning, and maintaining healthy blood pressure levels. It is also vital for a healthy immune system, as it helps to repair cells and absorb nutrients from the food we eat. Unfortunately, many of us don't get enough calcium in our diets. This article will explain the importance of calcium, its signs of deficiency, potential diseases and ailments related to inadequate calcium intake, the side effects of excessive calcium intake, recommended dosage, and food sources.


The Benefits


Calcium is essential for human health, as it plays a crucial role in the maintenance of strong bones and teeth. The nutrient is also linked to a number of other health benefits, such as aiding in the regulation of the nervous system, muscle contraction, and blood clotting. Additionally, calcium helps to support a healthy immune system, keeping bones and teeth strong and reducing the risk of osteoporosis. It is also a key factor in reducing high blood pressure and has been found to be beneficial in the treatment of some forms of depression. Calcium can also help prevent kidney stones and heart disease, as well as being beneficial for pregnant mothers by helping to ensure a healthy fetal development.


Signs of Deficiency


Calcium deficiency can cause a wide range of symptoms, from physical to emotional. Common physical signs of deficiency include fatigue, muscle cramps, bone pain, numbness, and tingling in the hands and feet. Emotionally, a calcium deficiency can cause anxiety, depression, difficulty sleeping, confusion, and irritability. If the deficiency is severe, it can also lead to seizures, abnormal heart rhythms, or even coma. For those that consume a lot of dairy or calcium-rich foods, supplements can be taken to ensure an adequate intake of calcium. If any of the above symptoms are noticed, medical attention should be sought to address the deficiency.


Diseases and Ailments


Calcium plays a crucial role in the human body, and deficiencies can cause a number of issues. Deficiencies can lead to osteoporosis, which weakens bones and increases their fragility, making them more vulnerable to fractures. Calcium deficiency can also lead to rickets, a condition that weakens bones and causes deformities in children. Low levels of calcium can also lead to muscle cramps, fatigue, and depression. Furthermore, it can cause hyperparathyroidism, a disorder caused by an overactive parathyroid gland, and can cause kidney stones, which are small, hard deposits of minerals and acid salts in the urine. Finally, calcium deficiencies can lead to gum disease, as the weakened bones and teeth are more prone to decay.


Side Effects of Excessive


When it comes to calcium, it's important to note that too much of a good thing can be a bad thing. Excessive calcium intake can lead to a number of side effects and adverse health issues. Excessive intake of calcium can cause kidney stones, nausea, vomiting, constipation, and changes in heart rhythm. Too much calcium can also interfere with the absorption of other minerals such as iron, magnesium, and zinc. This can lead to deficiencies of these essential minerals. Additionally, high levels of calcium can interfere with other medications, such as certain antibiotics and thyroid hormones. As such, it's important to consult with a healthcare professional before supplementing with calcium or increasing your intake from food sources.


Recommended Dosage


When it comes to calcium intake, the exact dosage depends on age and gender. For adults, the recommended daily allowance (RDA) of calcium is 1000 mg per day, while the recommended dietary allowance for teens and children is higher. Women aged 51 and over and men aged 71 and over should increase their daily calcium intake to 1200 mg per day.


If you are pregnant, breastfeeding, taking calcium supplements, or have any health conditions, you should consult with your healthcare provider to get the most accurate dosage. Calcium supplements should also be taken with meals to ensure optimal absorption. It is important to note that taking too much calcium can also be harmful, so it is best to follow the recommended dosages.


Food Sources


Calcium is an essential element for human nutrition and can be found in many different sources. Dairy products such as milk, cheese, and yogurt are the most popular sources of calcium. Other sources include nuts, green leafy vegetables, and certain types of fish such as sardines. Some grains, such as fortified cereals and breads, also contain calcium. Some other calcium-rich foods include tofu, almonds, bok choy, oranges, and figs.


In addition to food sources, calcium can also be found in supplements. It is important to talk to your doctor or dietitian before taking supplements to make sure they are right for you. Supplements are usually recommended for those who cannot get enough calcium from their diet.




Calcium is an essential part of a healthy and balanced diet. Its benefits are numerous, from strong bones and teeth, to healthy muscles and organs. It's important to ensure that you get enough calcium each day through your diet or through the use of supplements. Signs of calcium deficiency can range from mild to serious, with the most serious symptoms being brittle bones, an increased risk of fractures, and a weakened immune system. Too much calcium can also cause side effects, so it’s important to ensure you don’t exceed the recommended dosage. Foods that are rich in calcium include dairy products, leafy green vegetables, nuts, beans, and certain types of fish. By understanding the important role calcium plays in nutrition, you can ensure you and your family are getting the right amount each day.

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