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Research Article: L-Arginine in diabetes: clinical and preclinical evidence

Date Published: 2023-05-18

Abstract:
L-Arginine (L-Arg), is a semi-essential amino acid involved in the formation of nitric oxide. The functional relevance of L-Arg in diabetes mellitus has been evaluated both in animal models and in human subjects. In the literature there are several lines of evidence indicating that L-Arg has beneficial effects in diabetes and numerous studies advocate its administration to attenuate glucose intolerance in diabetic patients. Here we present a comprehensive overview of the main studies exploring the effects of L-Arg in diabetes, including preclinical and clinical reports on this topic.

Introduction:
L-Arginine, hereinafter referred to as L-Arg, was first isolated from lupin seeds by E. Schulze and E. Steiger in 1886, who called it “á??????” (argiros), a Greek word meaning silver, due to the white-silverish appearance of its crystal. L-Arg is an essential or conditionally essential amino acid — because it can be synthesized by healthy individuals but not by premature newborns [1] — that has been shown to be safe for the human body [2].

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