Arginine in humans is a semi-essential or conditional amino acid, meaning that it is only produced in the human body under certain conditions. Because this amino acid plays such an important in our function it is imperative that we get enough of this nutrient in our diet.

Arginine is mostly known for its role in the immune system. It can boost the function of the T cells, a type of lymphocyte which functions in cell-mediated immunity. Because of this, it can be useful in many conditions of lowered immunity.


Arginine is really important for wound healing. It has shown to enhance wound strength and collagen deposition in damaged or wounded tissue. Arginine also helps synthesis in collagen which can not only help wound healing but in digestive function and the strength and appearance of skin.

It can help in the regeneration of a damaged liver. This can also help with detoxification.

Arginine can increase the release of insulin and glucagon to help regular blood sugar levels. Arginine is, in fact, the most potent amino acid in this process.

It is required for the production and release of growth hormone. This hormone is incredibly important for the production of liver enzymes to process toxins and helps bone growth and strength.

Arginine plays an important role in male fertility by being necessary for spermatogenesis, the production of sperm.