Natural Factors Curcumin Rich Joint Optimizer combines the most trusted, effective, herbal supplements for natural joint pain

Arginine is a conditional amino acid, which means it can be manufactured by the body. However, in times of illness & stress,

L-Carnitine is an amino acid that helps transform fats into energy & supports normal & healthy heart, liver & vascular function.*

L-Carnosine supports healthy ageing & cellular rejuvenation. It occurs naturally in muscle & brain & is critical to the proper

L-Lysine supports a healthy immune system & is one of the nine essential amino acids that the body needs to manufacture proteins.*

L-Tyrosine supports stress management & promotes energy. Natural Factors amino acids are the highest quality products available.