Overview
- Form
- capsule
- Category
- Stimulant
Budget,Energy,focus,exercise performance
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Caffeine
Strong EvidenceLoading goal mappings...
Supported Health Goals
Energy & Fatigue
Strong EvidenceBoost energy levels and reduce fatigue
Well-established energy and focus enhancement
Exercise Performance
Strong EvidenceEnhance athletic performance and recovery
Well-established performance enhancement
Scientific Studies (3)
Caffeine Use in Sport: A Systematic Review and Meta-analysis of Acute Side Effects and Implications for Athlete Health and Safety.
PrimarySports medicine (Auckland, N.Z.)· 2026· meta analysis
Documented acute side effects in sport
View Study →Caffeinated Coffee Consumption or Abstinence to Reduce Atrial Fibrillation: The DECAF Randomized Clinical Trial.
PrimaryJAMA· 2026· n=30· rct
Improved reaction time and alertness in sleep-deprived military personnel
View Study →Coffee, caffeine, and sleep: A systematic review of epidemiological studies and randomized controlled trials.
PrimarySleep medicine reviews· 2017· meta analysis
Improved endurance performance and power output in athletes
View Study →Safety & Interactions
⚠️ Severe Interactions Detected
Please consult a healthcare provider before using this supplement with other medications or supplements.
moderate Interaction
May reduce antidepressant effectiveness
Recommendation: Monitor mood, limit caffeine intake
mild Interaction
May reduce sedative effectiveness
Recommendation: Avoid close timing
moderate Interaction
May reduce beta blocker effectiveness
Recommendation: Monitor blood pressure, limit caffeine
moderate Interaction
Additive stimulant effects
Recommendation: Avoid combination or limit caffeine
mild Interaction
May reduce antipsychotic effectiveness
Recommendation: Monitor symptoms, limit caffeine
moderate Interaction
L-Theanine smooths caffeine's stimulant effects, improving focus without jitters
Recommendation: Recommended stack: 100-200mg L-Theanine + 50-100mg caffeine
severe Interaction
Additive stimulant effects may cause cardiovascular stress
Recommendation: Avoid combination, cardiovascular risk
moderate Interaction
Both are stimulating, may cause overstimulation
Recommendation: Monitor for anxiety or jitters, may reduce doses
mild Interaction
Ashwagandha may help buffer caffeine's stimulant effects
Recommendation: May be helpful combination for some
mild Interaction
May have mild synergy for focus
Recommendation: May be beneficial combination for focus
moderate Interaction
Enhanced performance and focus
Recommendation: Good pre-workout combination
moderate Interaction
Enhanced focus and pump during exercise
Recommendation: Good pre-workout stack
moderate Interaction
Enhanced performance and focus
Recommendation: Good pre-workout combination
moderate Interaction
Caffeine may interfere with melatonin's sleep-promoting effects
Recommendation: Avoid taking close to bedtime, separate by several hours
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