Ornithine is a nonessential amino acid that plays a central role in the urea cycle functioning along with arginine and citrulline to rid the body of ammonia a byproduct of protein metabolism.* Because ornithine is converted into arginine it can help to maintain healthy arginine levels in the body.* Ornithine can also be converted into other amino acids such as citrulline proline and glutamate as well as creatine an important muscular energy source.*
