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L-arginine supplier in China

time:2025-08-18

L-arginine is a naturally occurring basic amino acid and is classified as a semi-essential amino acid for humans. For adults, the body can synthesize a certain amount through its own metabolism to meet needs. However, in infants, pregnant women, or individuals in states of trauma or illness, the amount synthesized in the body is insufficient, and it needs to be supplemented from food. Therefore, it is also regarded as a conditionally essential amino acid.

Its chemical structure contains a guanidine group (-NH-C(=NH)-NH), and this unique structure enables it to play multiple key roles in human physiological processes:

Participating in the urea cycle: As an important intermediate product in urea synthesis, L-arginine can promote the conversion of ammonia (a metabolic waste) in the body into urea for excretion, maintaining the liver's detoxification function and nitrogen metabolism balance.

Synthesizing nitric oxide (NO): Under the catalysis of nitric oxide synthase, L-arginine can generate NO. NO is an important vasodilator factor that can improve vascular elasticity and promote blood circulation, which is beneficial to cardiovascular health, especially playing a role in regulating blood pressure and improving local blood flow (such as in the process of penile erection).

Immunomodulation: It is an important regulator of the proliferation and activity of immune cells such as lymphocytes and macrophages, and can promote antibody production and the release of cytokines (such as interleukins), enhancing the body's immunity.

Protein synthesis: As one of the basic units constituting proteins, L-arginine participates in the synthesis of body tissue proteins, which is crucial for growth and development as well as tissue repair (such as wound healing).

In food, L-arginine is widely present in protein-rich ingredients, such as dairy products (milk, cheese), meats (beef, pork), fish (salmon, tuna), legumes (soybeans, black beans), and nuts (walnuts, almonds), etc. In addition, it is also made into nutritional supplements for nutritional support or health conditioning of specific populations. However, supplementation should be carried out under professional guidance to avoid potential gastrointestinal discomfort or metabolic burden caused by excessive intake.