Fiber: this is carbohydrate that is not digested, and which displaces the food remains down the intestine.

Proteins: these are the elements we need for growth and repair. They help form our muscles, skin, hair, internal defenses and many other body structures.

Calcium: this element is very important for the bones and teeth. It also plays a very important role in muscle contraction and heart beat.

Iron: this element is needed to transport oxygen to all the cells. It is responsible for the red color of healthy blood.

Folic acid: like iron, folic acid acts against anemia. It is also important for growth.

Slow sugars or carbohydrates: these are the best form of energy, because it is released little by little. This energy can last an entire afternoon (or morning), and is used up when you run, play, think...; when you make an effort to do things.

Calorie: this is a unit representing the energy released by food or which is consumed (used) by a person when doing physical activity.

Nutrients: these are substances that represent the "building blocks" of food, and which we use after digesting the food we eat.