Other
Theacrine
Theacrine is a purine alkaloid related to caffeine, found in the leaves of kucha, a Chinese tea plant (Camellia assamica var. kucha).
Also listed as 1 3 7 9-tetramethyluric acid
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%
Cognition24.4%
Fitness21%
Weight Management11.2%
Essential Health7.9%
Stress & Mood6.4%
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.
Caffeine