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Arginine or L-arginine is a complex, nitrogen-rich amino acid that is available as a natural supplement.[1][2]

Purpose[edit | edit source]

Arginine is a precursor for nitric acid and is catalyzed by nitric oxide synthase (NOS) enzyme.[1][2] Arginine is also a precursor to agmatine and creatine, and a precursor in the urea cycle.[2] This means arginine has a role in many different bodily systems including vasodilation, modulating the immune system, neurotransmission, ammonia detoxification, cell signaling and muscles.[2]

Sources[edit | edit source]

The human body synthesizes arginine from the admino acid citrulline.[2]

Evidence[edit | edit source]

Arginine may help reduce fatigue, and may help prevent or treat heart or circulatory diseases.[1]

ME/CFS[edit | edit source]

Costs and availability[edit | edit source]

Available over the counter.

Risks and safety[edit | edit source]

Learn more[edit | edit source]

See also[edit | edit source]

References[edit | edit source]

  1. PubChem. "Arginine". Retrieved March 5, 2021.
  2. van der Poll, MCG; Luiking, YC; Dejong, CHC; Soeters, PB (September 2, 2009). "Amino Acids". In Caballero, Benjamin (ed.). Guide to Nutritional Supplements. Oxford, UK: Academic Press. pp. 2–5. ISBN 978-0-12-375661-9.

The information provided at this site is not intended to diagnose or treat any illness.
From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history.