L-citrulline | 合法藥品大搜索

L-citrulline is a substance called a non-essential amino acid. Your kidneys[1] change L-citrulline into another amino acid called L-arginine[2] and a chemical called nitric oxide.

These compounds are important to your heart[3] and blood[4] vessel health. They may also boost your immune system.

L-citrulline boosts nitric oxide production in the body. Nitric oxide helps your arteries[5] relax and work better, which improves blood[6] flow throughout your body. This may be helpful for treating or preventing some diseases.

There is some evidence to suggest the supplement could possibly help lower blood pressure[7] in people with elevated blood pressure. Elevated blood pressure raises your risk for high blood pressure[8] and heart disease. Definitions for blood pressure levels are: