Macronutrients

The body needs a variety of nutrients to keep essential processes and chemical reactions going. Indeed, the body is composed of elements and chemical compounds that work together in a complex yet elegant mechanism. We also now that the body obtains these essential nutrients from the food we eat everyday, including meat, fruits and vegetables.

There are two main types of nutrients that our body needs: macronutrients and micronutrients. Macronutrients are needed in relatively higher amounts than micronutrients and that is where the name of each comes from. But what are the different types of macronutrients? Let's learn more about them.

Carbohydrates

Carbohydrates include simple sugars (like sugar) and complex forms of sugars, such as starches found in pasta, bread, and cereal). These complex carbohydrates are broken down by the body (through digestion) into simple sugars. The main function of these carbohydrates are to provide energy for the body. Indeed, even our brain needs the energy that comes from simple sugars, such as glucose. Furthermore, the liver and muscles convert small amounts of sugar into a form of storage.

Protein

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Proteins are large molecules composed of amino acids. In turn, these amino acids are composed of basic elements, such as carbon, oxygen, hydrogen, nitrogen, and sulfur. Incredibly, the body uses the simple amino acids from the protein you eat to make thousands of different proteins. The proteins in muscle, connective tissue, and blood make most of the protein in our body. They serve as the main structural element of these and other body parts and organs.

Fats

These last few years, fats have received very negative publicity. Common knowledge is that fats are associated with heart disease and many other illnesses. They are also associated with high blood pressure, cancer, and obesity. However, fat is an essential nutrient because our bodies requirement fat to create cell membranes and to make very important hormones, such as testosterone and estrogen.
Fat also helps vitamins to be absorbed and transported through the blood to body organs.