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L-arginine L-arginine is a conditionally essential amino acid, meaning it only has to be consumed in the diet under certain conditions, while healthy adults can make all they need ( It directly produces nitric oxide through a process called the L-arginine-NO pathway

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Unknown Risks with Prolonged Use: As with any treatment, the long-term effects beyond a decade of continuous use are not fully studied, emphasizing the need for periodic medical evaluations

Journal of Food Science and Technology 56