|Pre-Workout
73
HR Labs
Defib V3
Pre-Workout
£39.99 retail·£1.00 True Cost / serving
10.5g per serving · 40 servings per container
The Verdict
●Strong Effectiveness Match against reference doses
●Beta-Alanine 3.2mg — below optimal 3.2g dose
●Caffeine 250mg — in the effective sweet spot (200–400mg)
●Citrulline 8mg — below optimal 6–8g effective dose
Full Label
●Beta-Alanine
3.2gBetaine
5g●Caffeine
250mg●L-Citrulline
8gTaurine
3g40 servings · 10.5g per serving
Informational only — not medical advice.
Score Explained
This product scores 73/100 against our evidence-based reference spec for pre-workout. Scores are based on dose-for-dose comparison against evidence-based targets — not brand reputation or marketing claims.
● Green = meets dose● Amber = below optimal● Red = significantly underdosed
Rated Higher
Better-scoring pre-workout on our reference spec.
91
Darkstims
PRE V4
79
Raw Nutrition (CBUM)
Thavage
78
Optimum Nutrition
Platinum Pre-Workout
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