NITRAFLEX® PUMP HAS THE POWER TO OUTPUMP!*
This scientifically complex power output formula is designed to create dramatically extended muscle pumps while weight training. Impressive, bigger and longer-lasting NITRAFLEX PUMPS! It’s Stim-Free, and won’t keep you awake after night training. Even those sensitive to stimulants can take it. Plus, it stacks well with other GAT products!