Suplmnt

Theobromine vs TeaCrine (theacrine) for long‑lasting low‑stimulation energy

Evidence Level: promising

For smooth, long-lasting, low-stimulation energy, choose TeaCrine 100–200 mg in the morning; it shows sustained subjective energy without HR/BP spikes. Pick theobromine only if you want the mildest CNS effect and lowest "buzz," but expect little measurable energizing benefit. [1][2][7]

TeaCrine is the more evidence-backed choice for sustained, jitter-light energy: it improves subjective energy/fatigue in randomized crossover testing, has a long half-life with minimal hemodynamic impact, and shows no short-term tolerance. Theobromine is gentler but underwhelming for alertness in human trials and can raise HR or reduce calmness at higher doses; use it when you want minimal CNS activation and can accept modest or negligible energizing effects. Time TeaCrine early to avoid sleep disruption. [1][2][3][7][9]

Theobromine Products

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TeaCrine (theacrine) Products

The Comparison

A Theobromine

Dosage: 100–400 mg/day (supplemental); much higher from dark cocoa

Benefits

  • Very mild CNS stimulation
  • Vasodilation/bronchodilation; may feel "smooth"
  • Longer half-life than caffeine but weaker CNS effects

Drawbacks

  • Human trials show little to no improvement in alertness or vigor at typical doses; high doses can worsen calmness and raise heart rate
  • Effects on blood pressure are mixed and context-dependent
  • Generic ingredient with variable quality control

Safety:Half-life ~6–10 h in humans; high doses can cause nausea, insomnia, tremor, palpitations; extremely toxic to pets. [8][11]

B TeaCrine (theacrine)

by Compound Solutions’ TeaCrine

Standardization: >98% theacrine (branded, validated assay); also available as 40% granulate for flavor-masked powders

Dosage: 100–200 mg once daily; some studies used 200–300 mg

Benefits

  • Human crossover trials show increased energy and reduced fatigue without raising HR/BP
  • Very long half-life (~16–26 h) and ~1.8 h Tmax → smooth, sustained effect
  • 8-week data suggest no tolerance build-up at ≤300 mg/day

Drawbacks

  • Patented, pricier per dose than generics
  • Can extend wakefulness if taken late due to long half-life
  • Most efficacy data are on subjective energy, often industry-funded

Safety:No significant changes in hemodynamics or safety labs over 8 weeks at 200–300 mg/day; avoid late dosing to protect sleep. [1][2][3][6]

Head-to-Head Analysis

Efficacy for long‑lasting low‑stimulation energy Critical

Winner:TeaCrine (theacrine) Importance: high

TeaCrine (200 mg) acutely increased energy and reduced fatigue in a randomized, double-blind, placebo-controlled crossover trial; theobromine showed little to no improvement in mood/vigilance at typical oral doses. [1][7]

Onset and duration Critical

Winner:TeaCrine (theacrine) Importance: high

TeaCrine Tmax ~1.8 h and half-life ~16–26 h support a smooth, extended curve; theobromine half-life ~6–10 h and weaker CNS effects reduce perceived endurance. [2][8]

Side effects/tolerability at effective doses Critical

Winner:TeaCrine (theacrine) Importance: high

TeaCrine improved energy without increasing HR/BP in controlled studies and showed no tolerance over 8 weeks; theobromine at higher doses decreased calmness and increased HR. [1][2][3][7]

Standardization and quality control

Winner:TeaCrine (theacrine) Importance: medium

TeaCrine is a >98% theacrine branded ingredient with validated assay and Informed-Sport registration; theobromine is generic with variable specs. [6][14]

Bioavailability/formulation flexibility

Winner:TeaCrine (theacrine) Importance: medium

TeaCrine's characterized PK and available 40% granulate enable predictable release and blendability; theobromine has less formulation data and variable sources. [2][6]

Cost/value per effective dose

Winner:Theobromine Importance: medium

Theobromine is inexpensive per gram; TeaCrine is patented and pricier per effective 100–200 mg dose. (Market observation; efficacy still favors TeaCrine.) [13]

Stacking compatibility for “low‑stim” users

Winner:TeaCrine (theacrine) Importance: medium

TeaCrine can be used with low caffeine or alone; caffeine increases theacrine exposure without raising HR/BP in the tested range, allowing flexible low-stim stacks. [2]

Which Should You Choose?

Workday focus with minimal jitters (single morning dose)

Choose: TeaCrine (theacrine)

TeaCrine 100–200 mg improves energy/fatigue and sustains effect through the day with negligible HR/BP changes. Dose early due to long half-life. [1][2]

Very caffeine‑sensitive individual seeking the mildest stimulation

Choose: Theobromine

Theobromine produces weaker CNS effects than caffeine/TeaCrine; expect subtle or no noticeable energy boost. [7][10]

Stacking with small caffeine for smoother curve

Choose: TeaCrine (theacrine)

Caffeine increases theacrine exposure without altering its half-life or raising hemodynamics at studied doses, enabling lower total caffeine with maintained alertness. [2]

Evening productivity without sleep compromise

Choose: Theobromine

TeaCrine's long half-life risks insomnia; if any stimulant is needed late, small theobromine may be less disruptive, though effects may be minimal. [2][8]

Safety Considerations

  • TeaCrine: In RCTs and an 8-week trial (200–300 mg/day), no significant HR/BP changes or clinical lab issues; avoid late dosing due to long half-life (~16–26 h). Limited long-term (>8 weeks) data. [1][2][3]
  • Theobromine: Half-life ~6–10 h; high doses can raise HR, reduce calmness, and cause nausea or insomnia. Mixed BP effects in cocoa matrices; isolated 700–979 mg doses altered central vs ambulatory BP. Keep away from pets (highly toxic). [7][8][9][11]
  • Interactions: All methylxanthines/urates antagonize adenosine receptors; use caution with arrhythmias, uncontrolled hypertension, pregnancy, and concurrent stimulants. [2][11]
  • General: Start low, assess tolerance; discontinue if palpitations, anxiety, or insomnia occur.

Common Questions

What dose should I start with?

TeaCrine: 100 mg in the morning, titrate to 200 mg if needed. Theobromine: 100–200 mg if you want very mild effects. [1][2][8]

Will either disturb my sleep?

TeaCrine's long half-life can; avoid after late morning. Theobromine is shorter but still may affect sleep at higher doses. [2][8][11]

Is TeaCrine safer than caffeine?

In studied doses, TeaCrine did not raise HR/BP and showed no tolerance over 8 weeks; direct long-term head-to-head data with caffeine are limited. [2][3]

Can I stack TeaCrine with a little caffeine?

Yes; caffeine increases theacrine exposure without altering its half-life or HR/BP in the tested range—use small caffeine doses to stay "low-stim." [2]

Does theobromine help blood pressure?

Findings are mixed; high theobromine altered central vs ambulatory BP, and 500 mg/day didn't improve endothelial function overall. [9][12]

Sources

  1. 1.
    Two‑part human study: theacrine (TeaCrine) improves energy/fatigue in randomized, double‑blind crossover (2016) [link]
  2. 2.
    Theacrine–caffeine pharmacokinetics and hemodynamics in humans (TeaCrine) (2017) [link]
  3. 3.
    Safety of TeaCrine over 8 weeks of continuous use (2016) [link]
  4. 4.
    ISSN conference abstract: time course and safety of theacrine ± caffeine (2017) [link]
  5. 5.
    Caffeine+TeaCrine+Methylliberine improved cognition without anxiety vs caffeine in egamers (2022) [link]
  6. 6.
    TeaCrine spec (>98% theacrine; 40% granulate) (2024) [link]
  7. 7.
    Psychopharmacology of theobromine in healthy volunteers (2013) [link]
  8. 8.
    Human theobromine half‑life ~6–10 h (1979) [link]
  9. 9.
    Cocoa with high theobromine altered central vs ambulatory BP (2010) [link]
  10. 10.
    Discriminative stimulus & subjective effects of theobromine vs caffeine (1994) [link]
  11. 11.
    NIH NCATS monograph: theobromine A1/A2A antagonist; adverse effects (2024) [link]
  12. 12.
    Theobromine 500 mg/day for 4 weeks: vascular function outcomes (2019) [link]
  13. 13.
    Compound Solutions TeaCrine overview (patented; market context) (2024) [link]
  14. 14.
    Informed‑Sport validation of TeaCrine (2014) [link]