Other
Methylliberine
Methylliberine is a purine alkaloid related to caffeine. It occurs naturally in small amounts in some coffee species and tea plants.
What it is studied for
The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.
Every rating with its studiesGrouped by health goal, with the publications behind each rating
Why people take it
Energy25.4%
Cognition25.4%
Fitness20.3%
Stress & Mood12%
Weight Management10.3%
Essential Health2.7%
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.