Theacrine for Health & Longevity - Quick Reference Sheet
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Theacrine for Health & Longevity

Created on 08/01/2026 – Quick Reference based on Evidence Review created using AI4L / Opus 4.8 – Audit

Theacrine is a caffeine relative sold for energy, focus, and mood, promising longer-lasting, smoother effects without a crash or tolerance. Human evidence that it lifts energy and eases fatigue is real but modest, mostly from small, industry-funded studies, and its clearest thinking benefits appear when paired with caffeine. Short-term use is well tolerated; long-term safety is untested. (Full Review)

Protocol

Standard Dose
100–300 mg/day
~200 mg is the most common single dose
Timing
Morning / early afternoon
Pre-workout: 30–60 min before training
Frequency
Once daily
Single dose suits its ~20-hour half-life
Time to effect
Energy & Focus
1–2 hours
Acute subjective lift after a dose
Sustained Effect
Up to 8 weeks
No loss of effect with daily use
Longevity Benefits
Long-term
Animal-only; unproven in humans

Benefits

Contraindications
  • Pregnancy or breastfeeding
  • Children and adolescents
  • Significant cardiovascular disease (recent heart attack, uncontrolled hypertension, serious arrhythmia)
  • Anxiety or panic disorders
    •
Key Interactions
  • Caffeine and other stimulants (synephrine, yohimbine, ephedra)
  • Prescription stimulants and dopaminergic drugs (Adderall, Vyvanse)
  • MAOIs (phenelzine, tranylcypromine)
  • OTC stimulants and decongestants (pseudoephedrine)
  • Antihypertensive medications
  • Supplement stacks (pre-workout, nootropic blends)
    •

Risk & Side Effects

  • High:
  • Medium:
  • Low: Gastrointestinal discomfort, cortisol elevation
    •
  • Speculative: Sleep disruption, additive effects with other stimulants, unknown long-term and pregnancy safety
    •

Monitoring

Marker Target Why
Resting blood pressure ~110–120 / 70–80 mmHg Screens for any stimulant-related rise, especially when stacked with caffeine
Resting heart rate ~55–70 bpm Detects additive cardiovascular stimulation from theacrine plus other stimulants
Serum uric acid (optional) ~3.5–6.0 mg/dL Theoretical check, as theacrine is a methylated uric-acid derivative

Cadence: Reassess at 1–2 weeks after starting, then every 3–6 months or whenever the dose or stimulant stack changes

Qualitative Assessment

  • Energy: steadier daytime energy without a mid-day crash
  • Focus and motivation: improved ability to start and sustain demanding tasks
  • Mood: a mild lift in mood or drive rather than agitation
  • Sleep: no worsening of sleep onset or quality with appropriate timing
  • Tolerability: absence of nausea, restlessness, or anxiety at the chosen dose
Not medical advice. Educational distillation of a single evidence review. Confirm any decision with a qualified clinician, especially in the presence of prescription drugs or chronic conditions.