Knowing about macronutrients, micronutrients and calories is more than important to be able to  select the healthiest foods  for you and your family. That is because we not only know, thanks to these elements, if the food is good or not, but also how much they contain of other equally important elements.

What are calories, macronutrients, and micronutrients?

Next, we tell you what are calories, macronutrients and micronutrients:


It is the  energy produced  by certain components of food when they are used by the body. Here, the counting of calories in protein, carbohydrates and fat is involved. Carbohydrates and proteins, when fully used in the body, generate 4 kcal of energy per gram, while fat, 9 kcal.

These values ​​are necessary to keep the body functioning throughout the day. However, we must bear in mind that excessive calorie consumption can lead to weight gain. So keep your eyes open.

Nutrients and their subdivisions

All foods have  specific functions  and are essential for the proper functioning of the body and to maintain health throughout the day.

These elements are called nutrients. From there, there are  two subdivisions  within that category. They are called macronutrients (carbohydrates, proteins and fats) and micronutrients (vitamins and minerals).


The first subgroup is the  most important for our body , so they should be on the menu in larger quantities. The digestion of the macronutrients takes place in the intestine, where they will be broken down and transformed into sugars (carbohydrates), fatty acids and glycerol (fats) and amino acids (proteins).


Micronutrients are also responsible for maintaining the health of the body, but their consumption is much lower compared to macronutrients. In the list we can find a great variety of vitamins, such as A, C, D, E, K and the B complex. In addition to minerals such as phosphorus, calcium, iron, potassium and zinc.


After learning these nutrition facts, it is important to know that the balanced and daily consumption of these nutrients is done through a  balanced diet , rich in cereals, vegetables, vegetables, fruits, assorted meats and legumes. Without forgetting, of course, that the excess of these elements is also harmful to health. As always, the watchword is moderation.

Dr. Eric Jackson

By Dr. Eric Jackson

Dr. Eric Jackson provides primary Internal Medicine care for men and women and treats patients with bone and mineral diseases, diabetes, heart conditions, and other chronic illnesses. He is a Washington University Bone Health Program physician and is a certified Bone Densitometrist. Dr. Avery is consistently recognized in "The Best Doctors in America" list.

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