About this item 4.5 grams of Pure L-Citrulline per scoop for explosive pumps Potent combination of NooTropic ingredients including 10mg Thinkamine to boost focus with no crash afterwards 3.5G of Beta Alanine to push through muscle fatigue 120MG of ZumXR for extended release caffeine aiding in no crash Fully Transparent labeling and formula so you know exactly what you put in your body