L-Citrulline is a nonessential amino acid made by the body and found in foods such as watermelon. The kidneys convert much of it to arginine, which the body can then use to produce nitric oxide.
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L-Citrulline is commonly used in workout products because its conversion to arginine may support nitric oxide production and blood flow. Human performance studies are limited and conflicting, so results should not be assumed.
No. L-Citrulline is the amino acid alone, while citrulline malate combines citrulline with malate. Compare labels by the stated form and serving amount rather than treating equal scoop weights as interchangeable.