Label data · how much caffeine in pre workout
Pre-workout: caffeine per serving on every label we carry
Pre-workout labels print 150 mg to 400 mg of caffeine per serving — one to four cups of coffee — and the 'two scoops' serving on some tubs doubles it. The table lists the printed caffeine per serving for every pre-workout we track, with the label's other headline doses where available.
9 labels we read
- Lowest
- 100 mg
- Median
- 175 mg
- Highest
- 400 mg
Caffeine in pre-workout per serving as printed on the Supplement Facts panel of each product below · 1 of them print a third-party certification.
What to check on the label
- Caffeine per serving — and whether the label's serving is one scoop or two
- Beta-alanine (the tingles) and citrulline amounts
- The warning box: age, pregnancy, stimulant sensitivity
Contains caffeine. Not for anyone sensitive to stimulants, under 18, pregnant or nursing; don't stack with other caffeine.
Caffeine in pre-workout on each label we carry
Sorted by the printed amount. Tap a row to see it on eBay; the product page has the full label.
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RYSE Godzilla Pre-Workout
Caffeine: 400 mg per serving
Things to consider: Very high caffeine — 400 mg per scoop, about four cups of coffee. For experienced users only; start with half a scoop. Contains caffeine. Not for anyone sensitive to stimulants, under 18, pregnant or nursing. Don't combine with other caffeine sources.

GHOST Legend Pre-Workout
Caffeine: 300 mg per serving
Things to consider: 300 mg of caffeine per scoop — high. Not for anyone sensitive to stimulants, under 18, pregnant or nursing; start with half a scoop and skip other caffeine. Beta-alanine can cause a harmless tingling.

Alani Nu Pre-Workout
Caffeine: 200 mg per serving
Things to consider: Contains caffeine. Not for anyone sensitive to stimulants, under 18, pregnant or nursing. Don't combine with other caffeine sources.

Jacked Factory NITROSURGE Pre-Workout
Caffeine: 180 mg per serving
Things to consider: Two scoops means 360 mg of caffeine — start with one. Contains caffeine. Not for anyone sensitive to stimulants, under 18, pregnant or nursing. Don't combine with other caffeine sources.

Optimum Nutrition Gold Standard Pre-Workout
Caffeine: 175 mg per serving
Things to consider: Contains caffeine. Not for anyone sensitive to stimulants, under 18, pregnant or nursing. Don't combine with other caffeine sources.

Gorilla Mind Gorilla Mode Pre-Workout
Caffeine: 175 mg / scoop per serving
Things to consider: The two-scoop dose is 350 mg of caffeine — start with one scoop. Contains caffeine. Not for anyone sensitive to stimulants, under 18, pregnant or nursing. Don't combine with other caffeine sources.

Cellucor C4 Original Pre-Workout
Caffeine: 150 mg per serving
Things to consider: Contains caffeine. Not for anyone sensitive to stimulants, under 18, pregnant or nursing. Don't combine with other caffeine sources.

Cellucor C4 Sport Pre-Workout
Caffeine: 135 mg per serving · NSF Certified for Sport
Things to consider: Contains caffeine. Not for anyone sensitive to stimulants, under 18, pregnant or nursing. Don't combine with other caffeine sources.

Optimum Nutrition Essential Amino Energy
Caffeine: 100 mg per serving
Things to consider: Contains caffeine. Not for anyone sensitive to stimulants, under 18, pregnant or nursing. Don't combine with other caffeine sources.
Go deeper
Questions people ask
How much caffeine is in C4 pre-workout?
C4 Original prints 150 mg per scoop; C4 Sport 135 mg; stronger lines go to 300–400 mg. Each product below shows its label's number.
Is 300 mg of caffeine too much before a workout?
It's about three cups of coffee in one go — the top of what most labels allow, and above what caffeine-sensitive people tolerate. Start with half a scoop and read the label's warning box.
Part of the open label dataset (CC BY 4.0) · how we read labels · other ingredients: Creatine monohydrate · Whey protein · Plant protein · Collagen peptides · Magnesium · Melatonin · Ashwagandha · Vitamin D3