Lucid Dreaming and Nootropics
Galantamine used with choline bitartrate or Alpha-GPC can dramatically increase one's odds of becoming lucid. Some people report mixing galantamine with other nootropic can enhance the degree of lucidity, but this is still controversial since some mixtures may work for some people, but lead to failure for others.
Source: https://psychology.wikia.org/wiki/Galanthamine