Clinical FAQ

What is the half-life of your capsules?

The caffeine in our capsules is standard anhydrous caffeine. Your body will process it according to your genetic CYP1A2 expression, typically resulting in a 5-hour half-life. Use our calculator.

Why L-Theanine?

It acts as a synergistic modulator to blunt the sympathetic nervous system response (jitters). Read the full clinical protocol here.

Do you ship internationally?

Yes. Because our product is USP grade and contains no prohibited substances, we ship globally.