Theacrine and energy
What 2 graded rows on theacrine agree on for energy, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Theacrine page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Theacrine page, with its PubMed record.
Your question
Theacrine and energy
2 rows · 34 peopleSplit. 1 row found an improvement and 1 found no difference.
- DGrade D× 2
- Rows
- 2
- Trials
- 2
- People
- 34
Where they differ
From the rowsThe best-graded row, grade D, is a crossover trial of 19 people (2026) and found no difference.
Only the row that found no difference names women and men in its population.
The row that found no difference is newer (2026) than the row that found an improvement (2017).
The rows
1 improved · 1 no difference- DGrade DSelf-rated energy, fatigue and concentration · Improved
Crossover RCT · n 15 · 2017 · Healthy adults
200 mg, single dose · Single dose; ratings over 3 hours
Energy, fatigue and concentration ratings improved versus placebo; resting heart rate, blood pressure, gas exchange and side-effect reports did not change.
- DGrade DEnergy, cognition, heart rate and cortisol at high doses · No difference
Crossover RCT · n 19 · 2026 · Healthy habitual caffeine users (14 women, 5 men)
3, 6 or 9 mg per kg of body weight, single doses · One dose per visit, 7-day washout
No effect on heart rate, blood pressure, self-rated energy, salivary alpha-amylase or cognitive performance; salivary cortisol was higher than with placebo at 120 and 180 minutes.