Nutrition in Human

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Nutrition in Human

Nutrition in Human “The importance of nutrition and sound health go hand in hand as being undernourished or overnourished which can make you ill and those people that are not conscious of their calorie intake suffer from obesity”. Obesity is the cause of major illnesses such as hypo and hyperglycemia, hypertension, lower back injuries, arthritis, heart disease, vascular disease, and high cholesterol just to mention a few.

For those that add copious amounts of salt to their food will at some time or other suffer the consequences, which could involve having a stroke or heart attack as salt is known to raise the blood pressure. Reducing your intake of excess salt can dramatically reduce the risk of these serious diseases and prolong your life.

Then there are those that live in third world countries that suffer from malnutrition due to the lack of protein, vitamins, and essential minerals as well as iodine deficiency which could lead to severe mental retardation in newborn infants. Children around the world are affected due to improper nutrition.

Healthy Diet (Nutrition in Human)

Nutrition in Human Beings

Improper nutrition leads to a reduced immune system which leads to chronic infections such as dysentery and diarrhea which inevitably leads to dehydration and then death. I cannot begin to express the importance of nutrition and a Healthy Diet that contains all the essential nutrients needed to sustain life. You don’t have to go out and buy expensive foods all you have to do is buy foods that are nutritional.

Vitamins play a major role when it comes to Nutrition, as the body is not able to produce certain vitamins that are needed for growth and repair. This is the main reason for eating a large variety of foods as these foods have these soluble vitamins that the body needs. These vitamins are only found in plant and animal material. Vitamins also help to regulate the metabolism and convert certain fats into carbohydrates which are needed to form bone and tissue.

Importance of Nutrition in Human Body

The importance and impacts of good nutrition cannot be overstated and should not be underestimated. Athletes, and even active people, should take nutrition seriously. Until recently, only bodybuilders considered nutrition a priority for optimal performance. For a healthy life, nutrition is important but for great sporting performance, it is essential. This can possibly determine victory or defeat.

The most important nutrients are carbohydrates, proteins, fats, vitamins, minerals, and water. Different sports have different needs. The needs for these nutrients range from pre-exercise, during, and after exercise. An athlete’s diet should be the same as the general diet, but due to intense training, he/she needs an increase in the number of nutrients needed.

Nutrition in the Human Body is very important for energy (before exercise), growth (after exercise), recovery, repair.

CARBOHYDRATE (Nutrition in Human)

nutrition in human Carbohydrate

Carbohydrates should be the basis of an athlete’s diet. It is important for storing glycogen. Glycogen is important for the body as an energy source. If carbohydrates are lacking, performance will be poor due to low glycogen stores in the muscles and liver. Examples of carbohydrate-rich foods are bread, pasta, cereals, and sports drinks. Eating large amounts of carbohydrate-rich foods can sometimes be difficult for an athlete, but this can be overcome by eating smaller, more frequent meals, spreading food intake over the day, and adding more carbohydrate sources refined such as sports drinks, liquid meals, fruit juices. , honey, and so on to add to the necessary carbohydrates.



Proteins are also an important part of the training regime. It plays an important role in post-exercise recovery and repair of broken-down cells. Proteins can come from plants and animals. Foods like milk, chicken, beans, fish, eggs, are baked beans are rich in protein. Avoid unduly emphasizing the consumption of protein-rich foods to avoid

(I) Kidney failure (ii) weight gain (if food is high in fat).


Fats and Oils

Fats and oils are two concentrated sources of energy. They are good for delaying the feeling of hunger because a food mixture containing fats stays longer in the stomach. This, therefore, helps an athlete to stay in training for a long time and delays fatigue. Margarine, butter, french fries, chocolate, crisps, cookies, and pastries are some of the foods that contain fats and oils. However, excess fat can lead to a heart attack or stroke.

VITAMINS |Nutrition in Human Beings


Vitamins are very important both in sport and in healthy living. There are also several vitamins, almost all of them are important for strong bones and teeth and a healthy body. For example, vitamin A is necessary for good vision, strong bones, and healthy skin. Vitamin D helps in the formation of calcium and phosphorus, the strength of bones and teeth. Vitamin B helps maintain healthy skin and a functioning nervous system. Vitamin C is essential for healthy teeth, gums, and blood vessels. Vitamins are found in fruits and vegetables.


Minerals are inorganic; they are neither animals nor plants. Most minerals are easy to get in the quantities required by the body because almost all foods contribute to a varied supply of necessary minerals. Calcium is a form of mineral and is necessary for strong bones and teeth and blood clotting. Other important minerals are sodium, potassium, iodine, magnesium, zinc, and copper. (Nutrition in Human)


Water accounts for around 60% of an adult’s body weight. It helps regulate body temperature especially during and after training. It also helps in many chemical reactions. High fluid intake is required to replace fluid loss due to sweating and energy expenditure during and after exercise. Some studies have shown that an athlete who drinks water before thirst stays cooler and behaves better than one who drinks while thirsty. Therefore, the thirst mechanism should not be taken as an indication to drink in order to avoid dehydration which can adversely affect an athlete’s performance. It is advised and suggested that an athlete drink 400 – 600 ml 2 to 3 hours before exercise, 150 – 250 ml every 15 to 20 minutes during exercise, and 450 – 600 ml for 0.5 kg of weight lost after exercise.

In case of deficiency in one of these nutrients, natural food supplements may be necessary. However, it must be taken under medical supervision. While natural dietary supplements work with the body, drugs work on the body. In addition, it should be noted that excess or lack of any of these nutrients can be very dangerous and disastrous. It should be noted that the intake of a well-balanced diet will make the use of food supplements unnecessary.

The diet must be well planned and balanced to optimize sports performance, delay fatigue, and facilitate recovery. A balanced diet is necessary for maintaining a healthy body. This will also guarantee a healthy and healthy life. Good nutrition keeps the doctor away. “Prevention is better than cure,” says this popular and famous snapshot.

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