L-Arginine has it's space in helping to boost nitric oxide, but if you're over the age of 45, your body may not be able to handle all of the exogenous L-Arginine you intake. If you want to learn more about this subject, then I recommend checking out my full video on YouTube called: "Is L-Arginine Right For You, And What Does Taking Too Much Do?" P.S. 🥤 If you want to naturally boost your nitric oxide, then I recommend checking out my E-Function Smoothie Recipe Book 2.0! My E-Function Smoothies