Importance of Fats in Human Body

Fat, along with other nutrients, is essential for the survival of all three living things, human beings, animals and plants. The more fat they get, the more energy they have. Even small amounts of fat can sometimes provide a lot of energy. Due to Fats in humans and animals make their bodies able to absorb all types of Vitamins. because of these fat-soluble vitamins the bodies can get essential fatty acids. Otherwise, fatty acids cannot be produced in their bodies and their bodies cannot grow. This article is about Importance of Fats in Human Body.

The fats are very important and effective part of foodstuff, it not only make them tasty but also play important role to its reabsorption of foods in the body. When cooked in fats, these fats make the food delicious, fragrant and energetic. The growing demand and increasing quantity of oil and oilseeds in the worldwide makes its importance clear.

Importance of Fats in Human Body
Importance of Fats in Human Body

Fat Definition

Fats are one of the essential nutrients needed to digest food, also called triglycerides.
There are three main types of macronutrients, carbohydrates, proteins and fats. Fats are a big source of energy, and provide energy to the whole body cells specially to eukaryotes, it is also a energy provider itself as a food source.

Fats are rich in highest energy, While these combine with other nutrients to provide energy to the body, fats have a high ability to store energy within themselves. The chemicals in the energy contained in it are not wasted but remain stable. Whenever there is a shortage of nutrients in the body, the body uses energy from the safe treasury of fats.

Importance of Fats in Human Body

Undoubtedly, fats are an essential part of the diet and diet of human life. If fats are not included in the human diet, health will be disrupted and physical weakness will occur. But today the problem is that our diet contains too much fat, we are eating fatty foods in the form of fast foods and fried snacks, which is leading us out of health and suffering from diseases.

Excessive use of fats in foods can lead to many diseases as high blood pressure, high cholesterol levels, obesity, etc. All these issues may can develop the risk of heart diseases. Fat provides energy to help our vital organs to function properly, otherwise our body organs unable to work without fats. While fats maintain our body’s ability to function, they also help maintain a normal body temperature. So we have to know about importance of fats in human body.

Dietary fats not only make foods tasty and fragrant, but they also enhance the color and texture of foods. Above all, make it digestible and energetic. Hunger would shine as soon as we saw it. As we eat foods that contain fat-soluble, it start to process vitamins A, D, E and K, it enables them to absorb in the intestine.

Remember that we have to take small essential amount of fat-soluble through meals or snacks to stay healthy and fit and must avoid to take more than need to prevent obesity, high blood pressure and heart diseases.

Dietary fats play important role in making human healthy. The persons who don’t take essential quantity of fats, their body may be very weak and their body may show symptoms of many diseases. Body cells are basic unit of human body, if the body cells are healthy the whole body is healthy as well. Dietary fat is important for making healthy cells. This clarifies the essentiality of Fats and Importance of Fats in Human Body. Difference types of hormones and signaling molecules production is due to fats. It is not only the great source of energy but also is a great storage of energy in the form of spare fays in the body.


We can divide the dietary fat into three categories,

  • Saturated Fats
  • unsaturated Fats
  • trans fats

Both categories have same amount of calories but as the function is consern, they play difference role on the body health.
1st we should understand about dietary fats, its categories and their fuction as well. Then we have to keep balance between different dietary fats to maintain the good health and protect ourselves from health risks. Under we are going to explaine the details of dietary fats.
Saturated fats

There are many types of fats.

These types are based on different molecules, hydrogen molecules, number of bonds and formation of carbon bonds. According to the terms of chemistry, some types have only one bond, and some types have more than one bond. The amount of hydrogen molecules varies in some types of saturated fats. It is also common in the business market that fats are processed through hydrogen molecules in order to keep them at room temperature. These are all types of saturated fats. Due to the presence of hydrogen molecules and the lack of bonds, there is a lack of healthy utility in fats. This the reason that the saturated fats are called bad fats.

Although, it is a type of dietary fats but it is not a healthy fats like trans fat. Due to hydrogen molecules it become solid and remain solid at room temperature, so due to the being solid, it does not melt at body temperature. It remain solid in blood stream and can develop risk of high blood cholesterol and heart diseases as well.
Noted that all types of fats are made up of carbon, hydrogen, and oxygen molecules.

The chemical point of view, the saturated fat, remain solid at room temperature and it does not melt at body temperature. While, unsaturated fat remains liquid at room temperature. Mostly plants based oils are Unsaturated fat. Comparatively, the Unsaturated fat are healthy than saturated fat. Due to containing good fats and good cholesterol, it is helpful to prevent from heart diseases, so it is suggested to eat Unsaturated fat instead of saturated fat to maintain good health. Unsaturated fats are good fats.

Unsaturated fats contain a lot of high proportion of fatty acid molecules along with one double bond. All types of fats having double bond with fatty acids are healthy fats and all meals cooked in Unsaturated fats are healthy foods.

There are two main categories and two sub categories of unsaturated fats.

  • Monounsaturated fats
  • Polyunsaturated fats
  • Omega-3 fatty acids
  • Omega-3 fatty acids

Monounsaturated fats

Monounsaturated fats
Monounsaturated fats with fish piece and olive oil

All types of plants based fats are monounsaturated fats. These fats help to prevent from heart diseases, due to HDL (good cholesterol), Sometimes, despite all precautions and efforts, a person eats foods that develop bad cholesterol levels in the body, which increases the amount of LDL cholesterol in the blood. When monounsaturated fats are used in most foods, the amount of HDL cholesterol in the body increases which helps in lowering the amount of LDL cholesterol. But keep in mind that eating monounsaturated fats too much don,t develop reduction of LDL cholesterol in the body.

In the light of above details, it is discover about Importance of Fats in Human Body.

Monounsaturated fats found in following:-

  • Avocado
  • Nuts
  • Vegetable oils
  • Canola
  • Olive oil
  • Peanut oils

Monounsaturated fats generally affect LDL cholesterol and help reduce LDL cholesterol level in the body. Through reduction of LDL cholesterol it can lower your risk of heart disease and stroke. To maintain the body cells membranes, this fats provide nutrients, who help to develop and maintain the body cells. The monounsaturated fats also provide contribution antioxidant vitamin and Vitamin E to the diets.

Polyunsaturated fats

Monounsaturated fats generally affect LDL cholesterol and help reduce LDL cholesterol level in the body, whereas, Polyunsaturated fats play role in building the cell membrane and also manage the nerves covers. Polyunsaturated fats not only build up the body’s ability to fight against blood clotting and inflammation but also help in muscle movement.

Please note that human body unable to make the polyunsaturated fats by own ,so man has to provide polyunsaturated fat from diets to keep function of polyunsaturated fat, who is essential for body maintenance and development.

Chemistory point of view, polyunsaturated fat has two or more double bonds in its carbon chain.

There are two subtypes of polyunsaturated fats:-

  • Omega-3 fatty acids
  • Omega-6 fatty acids


Polyunsaturated fat are plant base fats and mostly found in vegetables such as sunflower, soybean, sesame, safflower and corn oils. All type of seafoods are rich in polyunsaturated fats, this is the reason the nutritionist suggest to eat seafoods to gain omega-3 and omega-6 fatty acids for the body.

Omega- 3s is a compound of verious essential types of fats. These fatty acids are subtypes of Polyunsaturated fats. This type of fats play key role in construction of that it is important for the body to eat the diet in wstructure of every cell wall of body and also help to build and maintain a healthy body. They are so important hich they are found in order to meet its needs. According to the nutritionist, it is a great source of energy to keep main body organs in function such as heart, lungs, blood vessels and immune system.

As human body unable to produce these types of fatty acids on its own, so to meet this need human has to eat diets who are rich in omega-3 fatty acids. Due to any reason, the person who do not eat much of these foods, hey can make up for it supplement who are rich in omega-3 such as fish oil or algal oil.

There are three types of omega-3s:-

ALA (alpha-linolenic acid)
DHA (docosahexaenoic acid)
EPA (eicosapentaenoic acid)
All these types are very important for healthy human body.

ALA (alpha-linolenic acid)

From fatty acids, the “Alpha-linolenic acid” is most essential for health, because our body need this fatty acids to body growth and also for development. Alpha-linolenic acid is usefull for heart and blood vessels health, specially for atherosclerosis and to keep the blood pressure normal.


ALA (alpha-linolenic acid) is found in,

Walnuts and other nuts
vegetable oils such as flaxseed oil
canola oil
soybean oil
chia seeds,
hemp seeds
red meat
dairy products.

DHA (docosahexaenoic acid)

This type docosahexaenoic acid of omega-3 fatty acid are the most important omega-3 fatty acid for body growth. It play key role to structural component of human brain, the retina of your eyes, and numerous other body parts. DHA develops its effects in the brain very fast, more than we can realize. This is the reason, we use DHA (docosahexaenoic acid) to boost the memory and thinking skills.

Our body produces very low amount of this type of omega 3″(docosahexaenoic acid)”, so to fulfil its deficiency nay have to get rest the amounts we need from food or supplements. It is better for us to include foods rich in docosahexaenoic acid in daily meals.

DHA (docosahexaenoic ) found in following foods:-

Meat of cold-water fish
Salmon
Whale blubber
Including mackerel
Seal blubber
Herring
Halibut
Cod liver
Tuna

EPA (Eicosapentaenoic acid)

EPA (Eicosapentaenoic acid) is another type of Omega-3s. Its effects are particularly pronounced on triglyceride levels. Medical specialists prescribe the diets who is rich in EPA (Eicosapentaenoic acid) to reduce triglyceride levels. Further more, it is beneficial from heart diseases, depression and preventing adverse events after a heart attack. After surgery, its use has been found to be useful.

Triglycerides is a type of cholesterol which is high levels of fats. It is not a good fats, so to reduce the triglycerides level in the body, a medicine is prescribed called Vascepa, who contains pure EPA. Experience has shown that EPA (Eicosapentaenoic acid) can reduce triglyceride levels about 22% and by 6% cholesterol levels as well, in persons who are taking medicine like “statins” to lower the triglyceride levels. People have to know that EPA (Eicosapentaenoic acid) reduces the risk of heart diseases in people taking statins with persistent high triglyceride levels and other heart-related risk factors.

Usually women suffer from high blood pressure in menopause and during pregnancy. By Eicosapentaenoic acid they can reduce the symptoms of hypertension during menopause and also pregnancy. Eicosapentaenoic acid also help to reduce the risk of an infant having delayed growth while still in the uterus.

Following are the sources of EPA (Eicosapentaenoic acid)
Mackerel
Old-water fatty fish
Shellfish
Salmon
Herring
Tuna
Sardines

Omega-6 fatty acids

Omega-6s fatty acids are subtype of polyunsaturated. According to the nutritionist, it is very essential fatty acids for human body.

To maintain body health our body need all types of fatty acids. Our body can make all types of fatty acids except two types, omega-3 and omega-6, this is the reason, these fatty acids called essential fatty acids. We can get the omega-6 and omega-3 fatty acids from foods to fulfil the lack of fatty acids that our body cannot make.

Omega-6 and omega-3 fatty acids, serve different functions in the body, most of fatty acids have anti-inflammatory properties and some of them have inflammation properties. Omega-6 fatty acids found in Every part of human body, so body requires these fatty acids to maintain the function of all cells. Due to lack of these fatty acids body cells are unable to proper work. But remember that these fatty acids must in balance in the body. It can develop harmful effects on cells in the heart and blood vessels in case of extra fatty acids in the body.

Following foods are higher amounts of omega-6 fatty acids:

Sunflower seeds
Walnuts
Sunflower
Cottonseed oil
Grapeseed oil
Walnut oil
Mayonnaise
Pine nut
Soybean oil
Almonds
Corn oil
Cottonseed oil
Soybean oil
Vegetable shortening
Tofu

Importance of Fats in Human Body

Trans fats

Trans fats
Trans fats

We can divide trans fat into two form,

Manufactured trans fat
Natural trans fat

Manufactured trans fats

This form of trans fat is manufactured in industry, where Hydrogenation of fat manufactured by adding hydrogen in the fat to extend their shelf life and keeping it un room temperature. This type of trans fat is a subtype of unsaturated fat. Trans fat, after use it, it increases the LDL (low density lipoprotein) and also decreases HDL ( high density lipoprotein ). Due to extra rate of LDL, it may can increases the risk of cardiovascular disease.

In the world, there are various rate of dietary intake of trans fats. Many under developing countries and specially Canada of the country, where the highest dietary intake of trans fat. The health organizations of Canada had made recommendation to decrease the the use of trans fat to avoid its bad effects. It is my opinion that physicians and Nutritionist should be able to provide their patients with information on trans fats and their deleterious effects on health.

Manufactured trans fat is found in following things:-

Bakery products such as cookies and pies and cakes,
Doughnuts and fried chicken including French fries,
Bakery products such as cookies and pies and cakes,
Doughnuts and fried chicken including French fries,
Shortening.
Fried foods, doughnuts and fried chicken.
Frozen pizza.
Microwave popcorn.
Refrigerated dough, such as biscuits and rolls.
Stick margarine.
Nondairy coffee creamer

Natural trans fats

This type of trans fat naturally found in animal fats. It is found in cows sheep and goats. but mostly in market industrial fats used in form of some kinds of shortening and butter substitutes. Although this type of fats is considered useful in bakery product, but it is clear that it develop bad effects on serum cholesterol, because the cholesterol level may can exceeds by using the ordinary saturated fats. According to the Nutritionist natural trans fats is not more harmful than industrial fats to the health. The trans fats who found in fast foods, snack foods and fried foods is worst kond of trans fats.

The following contents of foods are rich in bad trans fats :-

Salad dressing
Shortening
Chips
Cake
Doughnuts
Frozen foods
Cookies
Crackers
Margarine
Pies

Through this article we tried our best to mention explain about Importance of fats in human body.

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