How To Build Muscle and Improve Blood Flow With Arginine.

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What is Arginine and What Does it Do For Me?

Arginine is an essential amino acid – the body cannot make it and must consume it from food. Arginine is commonly found in chicken, fish, dairy and other higher protein foods. It helps the body build muscle, expand blood vessels for greater blood flow, supports immune system functioning, assists with the conversion of ammonia to urea (a harmless waste product), and, arginine can be converted to the sugar glucose and used as a source of energy. Arginine is also used in the production of many compounds that are important for athletic performance including creatine, agmatine, glutamate, polyamines, ornithine, and citrulline. This article will focus on its two primary functions: building muscle and improving blood flow.

Building Muscle

Arginine is used to make proteins in the body including muscle. Recent cell research suggests arginine may “turn on” the muscle building process in a manner similar to leucine.

Improved Blood Flow

Arginine is a precursor to nitric oxide, a molecule that helps relax blood vessels so they expand (open wider) to accommodate greater blood flow. Better blood flow means greater delivery of carbohydrate and oxygen to muscles.

Arginine is found in several Amino VITAL products. Try Fast Charge 45 to 60 minutes before your workout to allow enough time for it to open up blood vessels while also supporting overall muscle health – you’ll notice a difference!



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Alvares TS, Conte CA, Paschoalin VM, Silva JT, Meirelles Cde M, Bhambhani YN, Gomes PS. Acute l-arginine supplementation increases muscle blood volume but not strength performance. Appl Physiol Nutr Metab 2012;37(1):115-26.

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