Tailor-Made Optimization


    • May improve mood †
    • Shown to reduce anxiety †
    • Can play a role in increasing natural GABA levels †

    What is L-Theanine? 

    L-Theanine is a naturally occurring amino acid, commonly found in tea (green tea specifically). It does not contain any caffeine itself, however it is thought to be the ingredient in green tea responsible for providing the calming effects associated with its use.

    How to take L-Theanine?

    We recommend a dose of natural L-Theanine at 100mg - 200mg per serving.


    Specification Sheet

    Price / Gram

    £0.18 / $0.25

    Suggested Dose

    100 - 200mg

    Dosing Ratio