howtosupplement
Performance/Cognition/Mood

Theacrine

Purine alkaloid from kucha tea that provides stimulant-like energy and focus for caffeine-sensitive adults seeking alertness.

Theacrine

Theacrine

48
score
C
evidence
Caution
risk
Quick Take

Early evidence for smooth energy and focus, but weaker and pricier than caffeine. Try only if caffeine causes jitters.

Theacrine is a purine alkaloid found in the kucha tea plant (Camellia assamica var. kucha) and the cupuaçu fruit. Like caffeine, it acts as an adenosine receptor antagonist and may modulate dopamine signaling, promoting wakefulness and reducing perceived fatigue. Human trials suggest modest improvements in subjective energy, concentration, and exercise endurance, though the evidence base remains small and industry-funded. It may offer a smoother, longer-lasting stimulant effect compared to caffeine for those sensitive to jitters or crashes.

Proven Benefits

01
Reduces fatigue and boosts energy
02
Improves concentration and focus
03
May enhance exercise endurance
04
May improve subjective mood

Protocol

Amount
100-300 mg
Frequency
Once daily
When
Morning or early afternoon, with or without food. Avoid within 6-8 hours of bedtime due to stimulant properties.

Onset Time

Acute, within 30-60 minutes; effects may build over several days

Who Should Consider

Caffeine-sensitive adults needing alertness
People looking to reduce daily caffeine intake
Students or professionals with demanding cognitive work
Shift workers requiring sustained focus

Food Sources

  • Kucha tea (Camellia assamica var. kucha)
  • Cupuaçu (Theobroma grandiflorum)

How It Works

Theacrine blocks adenosine receptors in the brain, reducing perceived fatigue and promoting alertness. It also appears to interact with dopamine D1/D2 receptors, potentially enhancing motivation and mood. Its effects onset more gradually and may last longer than caffeine, with less pronounced impact on blood pressure and heart rate in some studies.

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