Main function:
L-Arginine is a basic, genetically coded amino acid. It is essential for human development and is considered a semi-essential amino acid.

: arg r

Molecular formula
: C6H14N4O2

Linear Structure Formula:

Molecular weight:

Isoelectric point (pH):

CAS Registry Number:


arginine 3D

L-Arginine is crystalline, free-form amino acid. It is a important factor in muscle metabolism and works to transport, store and excrete nitrogen and is involved in DNA synthesis. It is also a precursor of guanidophosphate, phosphoarginine, and creatine, three high-energy compounds found in muscles.

Arginine is very popular among athletes and bodybuilders because it is required in muscle metabolism maintaining the nitrogen balance, and helping with weight control since it facilitates the increase of muscle mass, while reducing body fat. Arginine is required in muscle metabolism maintaining the nitrogen balance, and helping with weight control since it facilitates the increase of muscle mass, while reducing body fat.

Arginine is a non-essential amino acid which is called a conditionally-essential amino acid. Arginine is abundant in protamines and histones both proteins associated with nucleic acids and was first isolated in 1895 from animal horn. Newborns may produce this amino acid too slowly and for them arginine should be seen as an essential amino acid.

Arginine is extremely useful in enhancing the immune system, and it increases the size and activity of the thymus gland, which is responsible for manufacturing T lymphocytes the much talked about T-cells, which assist the immune system. For this reason arginine might be an important nutrient for people suffering from AIDS and other malignant diseases which suppress the immune system.

In the pancreas arginine is used to release insulin and in the pituitary gland it is a component of human growth hormone, and is used in sexual stimulants, as people report longer and more intense orgasms when their intake of arginine is increased.

Arginine is also important in liver health and assists in neutralizing ammonia in the liver, while it is also involved in the skin and connective tissue making it important in healing and repair of tissue as well as the formation of collagen and building of new bone and tendons.

Arginine is found in seminal fluid and L-arginine is used in the treatment of male sexual health and has been used in the treatment of sterility. Products Containing Leucine:  Click Here


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