Teacrine
Also known as: TeaCrine, Theacrine
Overview
Theacrine is a purine alkaloid found in plants like *Camellia assamica* var. *kucha* and *Camellia sinensis* (tea plants), often synthesized as a dietary supplement. It is primarily used to enhance cognitive function, improve endurance, and boost energy levels. Unlike caffeine, theacrine is reported to increase alertness and energy without significant jitters or crashes. Emerging research suggests potential benefits, but the evidence base is not as robust as for more established supplements. Theacrine's effects are believed to stem from its interaction with adenosine receptors and potential influence on dopamine and norepinephrine pathways. It is available in forms like capsules and tablets and is typically taken orally. While generally considered safe for healthy adults, long-term effects require further study.
Benefits
Theacrine may improve endurance and cognitive function, with some studies suggesting that combining it with caffeine can enhance cognitive benefits more than either supplement alone. Emerging evidence indicates potential improvements in reaction time and vigilance, though more research is needed. Theacrine may be particularly beneficial for individuals seeking cognitive enhancement without the typical side effects of caffeine. While data indicate potential benefits, effect sizes are not consistently reported across studies. The onset and duration of benefits are not well-documented, but peak plasma concentrations are expected to be reached within a few hours of ingestion.
How it works
Theacrine is believed to act on adenosine receptors and possibly influence dopamine and norepinephrine pathways, though its exact mechanisms are less understood than those of caffeine. It interacts with the central nervous system to enhance alertness and energy. Adenosine receptors are a primary target, but more research is needed to fully understand its molecular interactions. Theacrine is absorbed orally, but detailed bioavailability data are limited. Its effects on neurotransmitter systems contribute to its stimulant and nootropic properties.
Side effects
Theacrine is generally considered safe in healthy adults, but long-term effects are not well-studied. Common side effects are not well-documented, but may include mild gastrointestinal issues. Uncommon side effects may include increased heart rate or blood pressure, though not consistently observed. Rare side effects have insufficient data to identify. Potential interactions with other stimulants or medications affecting adenosine receptors exist. Caution is advised in individuals sensitive to stimulants. Pregnant or breastfeeding women should consult healthcare providers before use. Further research is needed to fully characterize the safety profile.
Dosage
The minimum effective dose of theacrine is typically around 200-300 mg, with an optimal dosage range of 200-400 mg per day. The maximum safe dose is not well-established, but doses above 400 mg are not commonly studied. It is best taken in the morning or early afternoon to avoid disrupting sleep. Capsules or tablets are common forms. Food may affect absorption, but specific data are lacking. No required cofactors have been identified. Individuals should start with a lower dose to assess tolerance.
FAQs
How should I use theacrine?
Theacrine can be used as a substitute for or in combination with caffeine for energy and cognitive enhancement. It is best taken in the morning or early afternoon to avoid sleep disruption.
Is theacrine safe?
Theacrine is generally safe, but individuals with sensitivities to stimulants should exercise caution. Pregnant or breastfeeding women should consult healthcare providers before use.
What results can I expect from taking theacrine?
You may experience improved energy and cognitive function, though individual results may vary. It is not caffeine, though it shares some similar effects. Start with a low dose to assess tolerance.
When is the best time to take theacrine?
Theacrine is best taken in the morning or early afternoon to avoid disrupting sleep patterns. Taking it earlier in the day allows you to experience its cognitive and energy-boosting effects without interfering with your ability to rest.
Research Sources
- https://pmc.ncbi.nlm.nih.gov/articles/PMC6472067/ – This study examined the effects of TeaCrine and caffeine on endurance and cognitive function. It found that TeaCrine favorably impacts endurance, and combining it with caffeine enhances cognitive benefits, suggesting a synergistic effect between the two compounds.
- https://pmc.ncbi.nlm.nih.gov/articles/PMC6816173/ – This study investigated the effects of TeaCrine on resistance exercise performance using a randomized design with caffeine and placebo controls. The results indicated some benefits in muscular performance measures, highlighting the potential of theacrine to enhance physical performance.
- https://www.tandfonline.com/doi/full/10.1080/15502783.2022.2113339 – This study investigated the impact of TeaCrine supplementation on various aspects of health and performance. The findings suggest that TeaCrine may have positive effects on energy levels, focus, and overall well-being, supporting its use as a dietary supplement for cognitive and physical enhancement.
- https://esmed.org/MRA/mra/article/view/2062 – This study explored the effects of TeaCrine on cognitive function and mood. The results indicated that TeaCrine may improve cognitive performance and enhance mood, suggesting its potential as a nootropic agent.
- https://www.cureus.com/articles/80528-a-combination-of-caffeine-teacrine-theacrine-and-dynamine-methylliberine-increases-cognitive-performance-and-reaction-time-without-interfering-with-mood-in-adult-male-egamers – This study found that a combination of caffeine, TeaCrine, and Dynamine improved cognitive performance in e-gamers without increasing anxiety. The combination enhanced cognitive performance and reaction time, suggesting a potential benefit for individuals engaged in cognitively demanding tasks.
Supplements Containing Teacrine

Thermo Burn
Black Dragon Labs

Hardwire Lime Colada
Method

Hardwire Paradise Punch
Method

Pyroxamine
Myokem

Burn Black Cherry Limeaid
Motiv-8 Performance Supplements
Prophecy Ultimate Pre-Workout Peach Mango
ANS Performance

Pathogen Double Barrel Berry
Outbreak

Amplified Focus
GNC AMP Advanced Muscle Performance

ViperX
Blackstone Labs