List · Dated labels
The highest-caffeine pre-workouts
THE SHORT ANSWER
25 pre-workouts meet this list's rule, out of 76 normalized pre-workouts in the FormulaSignal Record. GHOST LEGEND ALL OUT declares the most caffeine of the 25: 400 mg per serving.
Read from the labels on file, the newest observed August 18, 2026. No brand pays to appear, and the order comes from the rule printed below.
The rule
What qualifies, and how it is ordered.
Qualifies: The Record's caffeine total for one serving is 300 mg or more.
Order: Ranked by declared caffeine per serving, highest first, then by lower cost per serving. Strongest here means most caffeine and nothing more.
Note: 300 mg is FormulaSignal's own stimulant-load screening line, not a regulatory limit. NIH's Office of Dietary Supplements summarizes an FDA reference point of 400 mg of caffeine a day for healthy adults, so one serving here uses at least three quarters of it. Individual tolerance varies; ask a clinician what suits you. NIH ODS source.
The list
25 of 76 normalized pre-workouts.
Not counted: 18 pre-workouts in the Record whose label has not been normalized yet; 7 adjacent amino, EAA and thermogenic products, which are ranked on their own names and never as pre-workouts; 46 products in other categories. A product missing from this list may still qualify once its label is read.
Questions
Common questions
What is the strongest pre-workout by caffeine?
25 pre-workouts meet this list's rule, out of 76 normalized pre-workouts in the FormulaSignal Record. GHOST LEGEND ALL OUT declares the most caffeine of the 25: 400 mg per serving. The full list is above, with a link to each product's dated Record.
How is this list ranked?
Ranked by declared caffeine per serving, highest first, then by lower cost per serving. Strongest here means most caffeine and nothing more.
Why isn't my pre-workout on this list?
Either its label does not meet the rule, or the Record has not read it completely yet. This list excludes 18 pre-workouts in the Record whose label has not been normalized yet; 7 adjacent amino, EAA and thermogenic products, which are ranked on their own names and never as pre-workouts; 46 products in other categories. You can request any product free from your Locker.
Does any brand pay to be ranked?
No. FormulaSignal takes no payment for a conclusion, a ranking or a placement, and carries no affiliate links. The order comes from the rule above and the labels on file.
Found one?
Save it with the date you read the label.
Your Locker keeps a dated label reference for every product you save, free. Optional monitoring tells you if its formula changes before you buy it again.