Some small studies show that some nootropic supplements can affect the brain. But there is a lack of evidence from large, controlled studies to show that some of these supplements consistently work and are completely safe.

Are nootropics unhealthy?

The misuse of nootropics—any substance that may alter, improve, or augment cognitive performance, mainly through the stimulation or inhibition of certain neurotransmitters—may potentially be dangerous and deleterious to the human brain, and certain individuals with a history of mental or substance use disorders might …

Are nootropics healthy?

For example, several studies have found that natural nootropics can improve brain health by a variety of mechanisms including: A study in 2007 found that nootropics vasodilate or widening the blood vessels in the brain, improves blood flow to different regions.