Dietary supplements are made up of one or more nutrients that are added to the diet to correct or prevent deficiencies of vitamins, minerals and proteins, helping in the recovery of the patient suffering an illness or has undergone surgery and to improve overall health.
Although the nutritional needs of human beings can be met by following a balanced diet, nutritional supplements are especially beneficial in the following circumstances:
* Malnutrition or deficiency of nutrients that is usually associated with diets low in vitamins, minerals, proteins, carbohydrates and fats, changes in intestinal absorption process (ability to draw nutrients), chronic diarrhea and diseases such as cancer or AIDS.
Note that there are periods of life which are more prone to malnutrition, such as childhood, adolescence, pregnancy, lactation and age, the first being that you can leave severe sequelae, for example, decreased IQ, impaired learning and memory retention, poor muscle development and frequent infections. The latter represents one of the leading causes of death, because the nutrient deficiencies alter immune barriers that protect against the attack of germs.