L-Arginine is an amino acid that plays an important role in the synthesis of proteins, the production of creatine phosphate (needed to produce Atp), and the synthesis of nitric oxide, a secondary messenger involved in blood flow.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.