L-theanine is readily available in supplement form in the US (e.g. $6 for a bott...

singhrac on July 21, 2021 | parent | context | favorite | on: Caffeine and theanine exert opposite effects on at...

L-theanine is readily available in supplement form in the US (e.g. $6 for a bottle of 100 pills). I don't take it regularly but that's mostly because I haven't examined the evidence carefully.