The amino acid known as L-citrulline is made naturally in your body. Research isn’t clear whether these supplements will help boost exercise performance, lower blood pressure, or help with erectile ...

L-citrulline is a substance called a non-essential amino acid. Your kidneys change L-citrulline into another amino acid called L-arginine and a chemical called nitric oxide. These compounds are ...

L-carnitine, also known as levocarnitine, is a naturally occurring amino acid structure that the body produces. It plays a critical role in energy production, converting fat into energy. Most people ...