What macronutrients do to our body?

Why do we need carbohydrates?

We need starches in both starch and sugars in large quantities. When eaten and broken down, carbohydrates provide the basic energy for daily activities.

Carbohydrates are recommended for 45-65% of daily energy use.

Some of the starches that we consume are converted to a type of starch called glycogen, which is stored in the liver and muscles for later use as a source of energy.

Not all starches in foods are digestible. For example, cellulose is a form of starch that is not digestible and is found in fruits and vegetables.

Although it cannot be used as a source of energy, this type of starch has a very important role in maintaining the health of the large intestine and helping the body get rid of dirt. It is usually called dietary fiber.

Why do we need proteins?

The proteins we consume are broken down into stomach amino acids. The body uses these acids in three basic ways:

•  Essential components in the formation of new proteins the body needs for growth, cell restoration, hormone formation and essential enzymes and to support immune functions.
•  Source of energy.
•  Ingredients to form other substances that the body needs.

All proteins are formed from different chains of 20 types of amino acids. 8 of these amino acids are called essential amino acids and this means that the foods we eat must contain the proteins they supply.

As for other amino acids, the liver can manufacture them if they are not food secure.

All proteins from animal sources contain all the essential amino acids, while proteins with plant sources do not contain all of them. If you eat a variety of plant foods, you can supply essential amino acids.

Why do we need fat?

Although fats are notorious for heart disease and weight gain, some fats in meals are important to health. It is recommended that 20-35% of your daily energy requirement come from consuming fats and oils.

In addition to energy, we need fat in:

•  Securing fatty acids that the body cannot form, such as omega-3.
•  Help absorb fat-soluble vitamins such as vitamin A, D, E, K and carotenoids.
•  Providing foods with shape and flavor.

Dietary fats have 3 basic types:

•  Saturated fats are found in foods like meat, butter and animal cream.
• Unsaturated fats: found in foods like olive oil, avocado, nuts, and canola oil.
•  Trans Fat: It is found in commercial baked food, fast food, snacks and some vegetable fats.

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