Nutrition
Citrulline Malate Evidence Summary
Citrulline malate evidence is mixed modest support for high-rep fatigue—tier-two behind sleep, protein, creatine, and caffeine.
Citrulline malate evidence summary: six to eight grams about an hour pre-workout may lower rep fatigue in some hypertrophy trials, but effects are smaller and less consistent than creatine, caffeine, or sleep. Watermelon provides food citrulline at far lower doses.
It is optional tier-two, not foundation.
Common questions
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Should beginners buy citrulline first?
No—fix protein, sleep, and training volume first. Citrulline is an optional experiment for lifters already covering fundamentals.
Related terms
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