O15 Nutrition | Stim-Free Preworkout
Custom formulated for Mr. Olympia Brandon Curry, O15 Nutrition Expansion™ is an ingredient-dense, non-stimulant preworkout. It is built to provide skin-splitting pumps AND increase VO2 Max by up to 11x (for more reps, sets, and endurance).
Performance & Electrolytes
- 2000mg Peak 02
- 1500mg Betaine Anhydrous
- 110mg Himalyan Pink Sea Salt
- 157mg Magnesium Chelate
Pump
- 6000mg L-Citrulline
- 2000mg Glyercol™ HydroMax®
Expansion™ is designed to continually improve your performance each & every workout thereafter, and is loaded with ingredients backed by human-clinical studies!