An Amino acid that is structural similar to Glutamine. Most report it as a relaxing agent without much sedation. Most commonly found tea. Usually mixed with Caffeine.
Common drugs are those which are well known and widely used among the drug community. This doesn't necessarily mean they are safe, but it usually comes with a longer relative history of use in humans with which to establish a safety profile.
Effects lovingly provided by PsychonautWiki
No interaction information for L-THEANINE