| CITRULLINE Citrulline is a nonessential amino acid, which means that it is manufactured from other amino acids in the liver; it does not have to be obtained directly through the diet. Citrulline is found in high concentration in the liver. Citrulline is not a component of any major proteins or enzymes. The body makes citrulline from another amino acid, or nithine. It is metabolized to form L-arginine. Main Functions: • Citrulline promotes energy, • Stimulates the immune system, • Detoxifies ammonia, which damages living cells. • It is helpful in treating fatigue. |