What is Nutrition? Carb, Protein, and Fat

What is Nutrition?

It is a science in which it studies the interaction of nutrients that relates to health, growth, reproduction, maintenance, and disease of a living thing. It also includes catabolism, anabolism, biosynthesis, absorption, excretion, etc.


A nutrient is a substance that is used by the living organisms for their growth, reproduction, and survival. The nutrient is divided into two types that are macronutrients and micronutrient.


Macronutrient is needed in large quantities.

Carbohydrate: It is called carbohydrate because it contain carbon, hydrogen and oxygen. This is the body’s main source of energy and protect against the disease.

Fat: These are the substances in which it keep the skin healthy and uses the vitamins for the body. The body stores them for energy but can’t convert it into energy easily. Balances your blood sugar level. 

Protein: They are made up of 20 amino acids which are connected together with one another in a long chain. The essential amino acid are needed by the body and our body cannot synthesize it. The non-essential amino acid are synthesized by our body and does not need by the body. Every cell of body needs protein for their proper functioning.

Water: The non-fat mass of our human body consists of about 75% water. Water is very essential for the living organisms.


Micronutrient is used in small quantity.

Minerals: They arevery important for the body but in small amounts.

Vitamin: This is an organic compound and our body cannot synthesize it. So we have to consume it in small amount for the body through food. There are types of vitamin such as vitamin A, vitamin B, vitamin C, vitamin D and vitamin E.

Weight loss: Replace the carbohydrate from your diet with fat. You have to take olive oil, nuts, etc for fat intake. When you eat fat instead of carbohydrate your body burns the fat and stop its storage in the parts of body.

The Journal of Nutrition says that ‘’by eating an oily fish your body gets omega-3 which blocks the formation of new fat cells.’’

Protein like in dairy product, egg, beef, fish, etc are very essential and effective for weight loss. It takes care of your craving, burning of fat and energy.

Fiber optimizes the hormones that causes feeling of hunger and satiation. Also stabilizes the blood sugar level in your body.

Health: If you want to live a healthy life by maintaining your health so you have to eat a healthy diet full of good nutrients.

The list of nutrients you should eat are as follows:

  • Eat plenty of vegetables because it contains potassium, vitamin A, vitamin C, and folic acid.
  • Eat meat, fish they give essential amino acid and another source of protein are beans, nuts, grains, etc.
  • Take fruits that have nonrefined grains, whole grains, are a source of carbohydrates.
  • Vitamins are healthy for bones, skin, vision, boosts the immune system, lower risk of lung cancer, aid in the healing of body, etc.   

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