These amino acids include: L-Citrulline L-Arginine L-Norvaline All three basically work in the same way: they act as precursors to nitric oxide while also boosting protein synthesis within the body. Ingredients of Nitric Alpha Uptake The Nitric Alpha Uptake fitness aid's formula includes the following pure, all-natural ingredients: L-Citrulline – This major supplement component increases the body's production of nitric oxide through its amino acid content for stronger, more energetic muscle action and supports cardiovascular capacity for engaging in lengthy, challenging workouts and sports practice sessions or games. It is customary how devotees can treat fairly a plain activity like Nitric Alpha Uptake. You need to go back and check the comments on that older installment. Nitric Alpha Uptake is a supplement available for trial that claims to boost confidence, muscle and performance, but how does it work and more importantly is it as effective as it claims to be?