R1 Casein Protein Flavor:Vanilla Creme PeakO2 helps increase oxygen uptake

PeakO2 helps increase oxygen uptake by allowing your body the ability to use oxygen more efficiently during exercise or physical activity

One of the key benefits of PeakO2 is its ability to reduce lactate buildup

Research-Supported Ingredients

11g Total Citrulline for massive pumps

this innovative supplement even helps to accelerate fat burning without exercise

R1 Casein Protein Flavor:Vanilla Creme PeakO2 helps increase oxygen uptakeWe utilize 25g per serving of Micellar Casein in this protein formula, so it keeps working long after you've left the gym. It's slow release formulation is designed for occasions when you want a protein that takes its time and delivers its amino acids benefits over several hours.