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Caffeine

11 benefits mapped to clinical evidence across supplements.

Serves the goals:Bone & JointCognitionEnergyFitnessStress & Mood

Benefit Evidence

Alertness
Strong

Alertness +, RT↓

Blood pressure +, alertness +

17,229 people
Focus & concentration
Strong

Caffeine: faster attention +RT

Drunk: partial RT rescue

Sleep loss: alertness +RT

18,692 people
Productivity
Strong

Reaction time + mood

Memory/attention + endurance

Driving/sport speed +10%

14,221 people
Energy & Fatigue
Strong

Endurance +44-51%

Adrenaline/glycerol up

Alertness/fatigue improved

7,073 people
Mental clarity
Strong

Reaction/memory +

Alertness/EEG +

16,095 people
Pain relief
Strong

Pain relief +26 pp

Faster onset, longer relief

17,710 people
Workout performance
Strong

Endurance +1–50%

Strength/power +2–16%

1,783 people
Endurance
Strong

Endurance +3-51%

Power/RPE: improved

1,622 people
Mood balance
Strong

Alertness↑ mood

Fatigue↓ irritability↓

1,703 people
Metabolism
Moderate

Fat oxidation + EE

CYP1A2 metabolism -32%

AUC/clearance changes

810 people
Motivation & confidence
Moderate

Motivation/confidence +5-15%

Effort & vigilance +1-14%

674 people

Similar by evidence

Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.

NADH

Shares 9 benefits: alertness, endurance, energy & fatigue, focus & concentration

L-Tyrosine

Shares 8 benefits: alertness, energy & fatigue, focus & concentration, mental clarity

Acetyl-L-Carnitine

Shares 8 benefits: alertness, endurance, energy & fatigue, focus & concentration

Phenylethylamine

Shares 8 benefits: alertness, endurance, energy & fatigue, focus & concentration

Panax Ginseng

Shares 8 benefits: alertness, endurance, energy & fatigue, focus & concentration

Theobromine

Shares 8 benefits: alertness, endurance, energy & fatigue, focus & concentration

Products with Caffeine

Search all

83 products whose verified label declares Caffeine — not every bottle that mentions it in a title.

Applied Nutrition

Applied Nutrition Green Tea Fat Burner Weight Loss 90 Softgels (2

Green Tea Leaf Extract 400 mg · Epigallocatechin Gallate 200 mg · Caffeine 160 mg +12 more

$34.39Green Tea

GU Energy

GU Energy Original Sports Nutrition Energy Gel, Vanilla Bean

Includes 7g Added Sugars · GU Amino Acid Blend 450 mg · L-Leucine +3 more

$37.36Chews & Gels

NOW

NOW Foods Supplements, EGCg Green Tea Extract 400 mg, Free Radical

Green Tea Leaf Extract 400 mg · Epigallocatechin Gallate 200 mg · Caffeine 4 mg +1 more

$11.62Green Tea

SlimQuick

SlimQuick Pure 3X Extra Strength Drink Mix for Women, Achieve Weight

Slimquick Pure Extra Strength 6 Ways Complex 327.5 mg · Caffeine 0 NP · AlloPure Green Tea 0 NP +4 more

$19.99Fat Burners

Nature's Truth

Nature's Truth Caffeine Pills

Caffeine 200 mg · Green Tea Leaf Extract 20 mg

$7.99Green Tea

STACKER 2

Stacker 3 Metabolizing Fat Burner with Chitosan, Capsules, 20 Count

CHROMIUM (AS CHROMIUM PICOLINATE) 200 mcg · PROPRIETARY BLEND 325 mg · CAMELLIA SINENSIS 60% POLYPHENOLS (GREEN TEA LEAVES) +5 more

$18.00Fat Burners

Being studied right now

Recruiting clinical trials registered on ClinicalTrials.gov. A trial in progress has no result yet — this is what the field is asking, not what it found.

Caffeine Consumption and Rate Control in Permanent Atrial FIBrillation: The CAFIB TrialCaffeine · Atrial Fibrillation (AF), Permanent Atrial Fibrillation, Coffee Consumption · 50 participants planned · ClinicalTrials.govRecruitingA Study to See if an Energy Drink With Caffeine and Green Tea Increases Fat Burning When ExercisingCaffeine · Exercise · 40 participants planned · ClinicalTrials.govRecruitingAcute Effects of JÀgermeister With Energy Drinks (JÀgermbomb)Caffeine · Alcohol Drinking, Healthy Adult Participants, Binge Alcohol Consumption · 24 participants planned · ClinicalTrials.govRecruiting