Lipids are relevant energy sources used without prolonged exercise. In addition, small increases in the ability to use lipids, as
an energetic substrate resulting from training capable of an effecting use of carbohydrates. The present literature review aimed to
analyze the importance of the use of lipids in the practice of physical exercise. In the months of April and June of 2016 the search
of the publications in the databases was carried out: Latin American and Caribbean Literature in Sciences of the Health and in
Electronic Library Scientific Library Online (SciELO), published in the languages, English and Spanish, which discuss the use of
lipids in physical activity. We excluded studies that did not address the theme There were 159 articles. In the LILACS database, only
three articles were selected that are linked to the Nutrition area. In the SCIELO database. The predominant use of fatty acids as an
energy source is perceived. In this way, the importance of the lipids to the energy supply during the physical exercise is verified.