Supplement
Theacrine
SaveTheacrine is a purine alkaloid structurally similar to caffeine found in kucha tea, providing energy and focus without habituation or tolerance.
Quick verdict
Promising caffeine alternative that does not appear to build tolerance. Energy and mood data from initial human trials are encouraging.
Evidence score
A rough internal score reflecting quantity, quality, and consistency of human evidence. Not a clinical recommendation.
What the research shows
Early human trials show improved energy, focus, and mood without tolerance development over 8 weeks. Acts on adenosine and dopamine receptors. TeaCrine is the most studied branded form.
Benefits
- Energy boost without tolerance buildup
- Enhances mood and motivation
- Synergistic with caffeine
Dosage notes
100–300 mg daily. Often combined with caffeine (100–150 mg) for synergy.
Side effects
- Restlessness at high doses
- Mild GI discomfort
- Insomnia if taken late
Who should be cautious
Limited long-term safety data. May have additive effects with caffeine. Not recommended in pregnancy.
What this page cannot tell you
Evidence base is small and partially industry-funded. Habituation resistance needs confirmation in larger, longer studies.
Leaderboard scores
- Energy55
- Focus50
- Mood40
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