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Performance + Recovery

Citrulline

A nitric-oxide-pathway ingredient considered for training output, perceived exertion, and soreness context.

Evidence file

Mechanism, dose, form, limitations, related products, and PubMed-supported references are reviewed before this ingredient is used in stronger product copy.

Evidence summary.

Mechanism
Citrulline can increase arginine availability and nitric oxide pathway activity more effectively than oral arginine in many contexts.
Human Evidence
Meta-analyses show mixed strength findings but possible benefits for perceived exertion and post-exercise soreness depending on protocol and dose.
Dosing Context
Studies often use multi-gram servings, commonly around 6 to 8 g for citrulline malate contexts. Small token doses should not be treated as evidence-based.
Form Standard
L-citrulline and citrulline malate should not be blurred together; the label must identify the exact form.
Limitations
Strength effects are inconsistent, so WRAITH avoids pretending citrulline is universally performance-transforming.

Related protocols

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