As an amino acid, L-arginine helps create protein. Protein builds and repairs body cells and tissues, breaks down and digests food, assists chemical reactions, and provides fuel for energy. [5] ...

It’s found naturally in fish, poultry, red meat and dairy products. While most people get the l-arginine they need from food, it’s also sold as a dietary supplement.

Since L-arginine is already an approved medication, our team decided to explore its safety and efficacy as a potential treatment for polyglutamine diseases in humans through a clinical trial. II.