Popular nootropic supplements include caffeine, rhodiola rosea, ginkgo biloba, ginseng, bacopa monnieri, creatine, L-theanine, & curcumin. Well-known synthetic nootropics are modafinil, adrafinil, noopept, phenylpiracetam, and aniracetam. You might also need to try out nootropics that you're feeling are over the right path, however, you should know that there are not any guarantees in life....