Research has shown that maca may affect sexual behavior, fertility, the mood, high blood pressure, memory, osteoporosis, metabolism, and the treatment of some tumor entities (3).
Maybe some health benefits are due to maca unique compounds, called macamides. No other plant contains them. Further research is needed, though.
Maca is considered a non-hormonal energizing supplement (2). It can assist physically active people, and people who follow demanding exercises.
Moreover, studies have found that maca stimulate the metabolism (2). Better metabolism means a leaner body.
Also, maca may increase the energy and vitality of a person.