L-Arginine (Arginine) is a conditionally essential amino acid, meaning it is not usually
essential, except in times of illness and stress as well or for vulnerable populations.
Generally, your body will manufacture all of the arginine it needs to function, and
arginine can be obtained through most protein-rich foods, including fish, meat,
poultry, whole grains, soy products and dairy.
As an amino acid, arginine participants in protein synthesis but it has other
functions and benefits, including acting as the endothelium-derived relaxation
factor (EDRF) or a vasodilator, due to its role in the production of nitric oxide. This
can redirect or change blood flow depending on needs and can only be done in
oxygen rich conditions.