Acute effects of L-arginine intake on heart rate variability after a submaximal exercise test in healthy men: randomized clinical trial
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L-arginine (L-ARG) is a semi-essential amino acid and a precursor for nitric oxide (NO) synthesis via endothelial nitric oxide synthase (eNOS). While NO has been implicated in autonomic modulation and vascular function, the effects of acute L-ARG intake on hea... ...
