Methylliberine
At a glance
- Best for
- people seeking an acute caffeine-like energy and focus boost in a pre-workout
- Typical dose
- 50–200 mg per serving (often with caffeine); blends cap near 250 mg/day
- Time to effect
- Within an hour (acute)
- Main caution
- Stacked with caffeine and theacrine it adds cardiovascular load; caution in hypertension or arrhythmia
What is it
Methylliberine (2-methoxy-1,7,9-trimethylpurine-6,8-dione, trade name Dynamine) is a methoxylated purine alkaloid structurally related to caffeine and theacrine, naturally occurring in trace amounts in Coffea and kucha (Camellia assamica var. kucha) tea. It is hypothesized to act as a non-selective adenosine receptor antagonist and dopamine reuptake modulator, with anecdotally faster onset than caffeine.
Is it worth it for you?
Worth considering if…
- You want a short-acting stimulant ingredient alongside caffeine in a pre-workout
- You tolerate caffeine well and have no cardiovascular concerns
Probably skip if…
- You have hypertension, arrhythmia, or other heart concerns
- You expect a unique tolerance-free or proven nootropic effect
- You are pregnant or sensitive to stimulants
Evidence at a glance
| Goal | Evidence | Effect | Best fit | Time |
|---|---|---|---|---|
| acute energy and focus | Mixed Evidence | Modest, short-lived | stimulant-tolerant adults wanting an acute pre-workout lift | Within an hour |
Evidence for 1 use
AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.
acute energy and focus
Supplement benefitMethylliberine (Dynamine) is a purine alkaloid related to caffeine and theacrine, proposed to antagonize adenosine receptors and modulate dopamine signaling. The limited human evidence comes mostly from short studies combining it with caffeine, where hemodynamics and labs stayed stable but isolated efficacy was not robustly demonstrated. Effects on energy and focus are plausible but under-characterized.
Bottom line: A plausible short-acting stimulant adjunct, but human efficacy evidence is thin.
Evidence is mixed
Most data study methylliberine combined with caffeine, so its standalone contribution to energy and focus is hard to isolate.
How to take it
- Typical dose
- 50–200 mg per serving; manufacturer safety studies support up to 400 mg/day
- Timing
- Before activity needing focus or training
- With food
- Either; with food may soften stimulant feel
- How long to try
- Used acutely; chronic high-dose use is not well studied
What to track
- Heart rate and any palpitations
- Subjective energy and focus
- Sleep if taken later in the day
Safety
Common side effects
Possible jitteriness, Elevated heart rate, Sleep disruption if taken late
Serious risks
- Added cardiovascular load when stacked with caffeine and theacrine
Who should avoid it
- People with hypertension or arrhythmia
- Stimulant-sensitive individuals
- Pregnant or breastfeeding women
Pregnancy & breastfeeding
Avoid; no safety data and it adds stimulant load.
Interactions
Additive cardiovascular and CNS stimulation, raising heart rate and blood pressure.
Combined stimulation may increase cardiovascular strain.
Choosing a product
Look for
- Disclosed methylliberine dose (not hidden in a proprietary blend)
- Clear total caffeine content of the product
- Third-party tested for sport
Be skeptical of
- 'No tolerance' or 'no crash' guarantees
- Claims of proven fat loss or major cognitive enhancement
References by claim
Track Methylliberine with Pilora
Set up dose reminders, check interactions, and join the community in the Pilora iPhone app.
Coming to App StoreDisclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.