This amino acid, found naturally in certain foods and also available in supplement form, has been gaining attention for its remarkable benefits. From boosting exercise performance and endurance to supporting heart health and improving blood flow, L-Citrulline seems to have a wide range of positive effects on the body.

But what exactly is L-Citrulline, and how does it work? Are the purported benefits backed by science, or is it just another trendy supplement with exaggerated claims?