Theacrine (TeaCrine) is a purine alkaloid related to caffeine. People use it for a longer, flatter alertness curve. Human data is smaller than caffeine’s library. Stacking both can still wreck sleep — it is not “caffeine without consequences.”
Nootropics
Limited evidence
Theacrine
Tea alkaloid that feels like caffeine with a slower fade.
How to use
100–200 mg in the morning, last dose well before mid-afternoon if sleep is fragile.
Details
- Ingredients
- Theacrine
- Benefits
- Alertness, Lower habituation vs caffeine (claimed)
- Dosage
- 100–200 mg
- When to take
- Morning, Pre-workout
- Side effects
- Insomnia, jitter if stacked with coffee. Start low.
- Scientific evidence
- Small human studies on energy and cognition; not a replacement for sleep or a huge caffeine evidence base.
- Form
- Capsule
Editorial rating ★ 3.7
A reasonable caffeine cousin. Respect the half-life the same way you would coffee.
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