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Supplement audits/Pre-workout
Category 03 / Pre-workout

Pre-workout,
audited.

Three disclosed formulas compared ingredient by ingredient. Caffeine, citrulline, beta-alanine and creatine are assessed separately; a long label is not automatically a better formula.

Category boundary. Caffeine response is individual. These audits are not a dosing instruction, and stimulant products are inappropriate for some people and circumstances.
Provisional audit order

3 products. Six separate scores.

This is a transparent first field, not a universal “best” list. Formula, certification, claim risk and value remain separate.

#ProductTotalTesting signalValue
1Advanced Pre-WorkoutDisclosed stimulant formula91NSF Certified for Sport5 / 10
2Klean Pre-WorkoutLow-caffeine beet formula86NSF Certified for Sport4 / 10
3Gold Standard Pre-WorkoutMainstream multi-active78No exact EU register located9 / 10
All auditedModerate caffeineHigher stimulantSport certified
Thorne Advanced Pre-Workout Rainbow Sherbet tub#01 provisional
Disclosed stimulant formula

Advanced Pre-Workout

A fully disclosed formula with 5 g citrulline, 3,2 g beta-alanine, 600 mg alpha-GPC and 200 mg caffeine. Strong verification; not a casual default for every trainee.

Caffeine / serving200 mg
Audit score91
Klean Athlete Klean Pre-Workout lemon tea tub#02 provisional
Low-caffeine beet formula

Klean Pre-Workout

A restrained formula with 75 mg organic caffeine and beet extract standardised to 300 mg nitrate. The label and certification are strong; the product is narrower than a conventional multi-active pre-workout.

Caffeine / serving75 mg
Audit score86
Optimum Nutrition Gold Standard Pre-Workout tub#03 provisional
Mainstream multi-active

Gold Standard Pre-Workout

A transparent European formula with 3 g creatine and 175 mg caffeine. Several supporting actives are present at modest amounts, and the exact certification trail is less clear than the category leaders.

Caffeine / serving175 mg
Audit score78

Ingredient ≠ product

Strong evidence for an ingredient does not prove a particular tub contains the claimed dose or deserves a premium.

Testing has borders

A certificate applies only to the exact product, region and batches the directory lists.

Commercial wall

No active retailer or affiliate link appears here. Future monetised links will be labelled and cannot alter a score.