Stim-free pumps: citrulline, arginine, glycerol and nitrate formulas that drive blood flow, vascularity and muscle fullness — stackable with any stim pre-workout or perfect for evening sessions. Shop Canada's best pump and nitric oxide supplements.
Pump Supplement FAQ
What does a nitric oxide booster do?
Ingredients like L-citrulline raise nitric oxide, dilating blood vessels for better nutrient delivery, bigger pumps and improved endurance.
Can I stack a pump product with my pre-workout?
Yes — most pump formulas are stimulant-free by design so they layer cleanly on a caffeinated pre-workout.