Best Sustained Release Arginine (120 Tabs) By Doctors Best

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  Best Sustained Release Arginine (120 Tabs) By Doctors Best
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  Best Sustained Release Arginine contains the conditionally essential amino acid L-arginine in a sustained-release formula that allows for enhanced blood levels of this nutrient. L-arginine is quickly absorbed into circulation and is extremely efficiently metabolized, yielding only a short-lived boost to L-arginine levels. Best Sustained Release Arginine tablets are specially manufactured to release the L-Arginine continuously over a 5-7 hour period, resulting in sustained levels in the blood.
  
  L-arginine has been shown to support the cardiovascular system, promote vigorous heart function and enhance healthy circulation throughout the body through its conversion to nitric oxide. Research suggests L-arginine supplementation may also have positive benefits on athletic performance.

  Benefits

  
  
  Promotes a Healthy Cardiovascular System, Enhances Healthy Circulation and Supports Heart Function
  
  The normal aging process in humans has been found to be associated with progressive changes in endothelial function (cells that line the inner surfaces of blood vessels). Research suggests that a major reason for these common changes associated with aging is reduced production or bioavailability of nitric oxide (NO) in vessels and tissues (Bode-Boger et al. 2003). L-arginine is a substrate for the enzyme nitric oxide synthase, required for the production of nitric oxide in the body. Nitric oxide is a substance critical for the maintenance of normal vascular function (Brown and Hu 2001). NO mediates a number of physiological effects on the cardiovascular system, including supporting healthy endothelial function, enhancing cardiovascular health and displaying potent antioxidant properties against free radical species.
  
  Oral L-arginine supplementation has been shown in clinical studies to support various aspects of cardiovascular health. A randomized double-blind placebo-controlled trial found that six weeks of L-arginine supplementation enhanced circulation, improved arterial compliance and supported healthy heart function compared to placebo. The mechanism of L-arginine's effect was due to its role in NO production. Other clinical trials have shown that oral L-arginine supplementation contributes to enhanced exercise tolerance because of its ability to enhance cardiac circulation and vasodilation of blood vessels (Appleton 2002). Multiple clinical trials have been conducted in which L-arginine at various doses has been administered to healthy individuals to assess its impact on cardiovascular function and health. In one such study, L-arginine enrichment of the diet in healthy indiv
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