Custom formulated for Mr. Olympia Brandon Curry, the O15 Expansion Performance Booster is a rich, non-stimulant pre-workout designed to deliver skin-splitting muscle pumps and boost your VO2 max by up to 11 times. With its potent blend of ingredients, this cheap stimulant-free pre-workout with electrolytes ensures that you can push through more reps and sets while enhancing your overall endurance.
This muscle pump supplement includes:
- 2000mg Peak O2
- 1500mg Betaine Anhydrous
- 110mg Himalayan Pink Sea Salt
- 157mg Magnesium Chelate
- 6000mg L-Citrulline
- 2000mg Glycerol HydroMax
Each ingredient is backed by clinical studies, ensuring that every workout sees improved performance. To use, simply mix 1 scoop with 8-16 ounces of water. Start with 1/2 scoop to assess your tolerance before progressing to the full scoop. Prioritize your health by consulting a physician before use, especially if you have any medical concerns or are taking medications.
Kaitlyn Tyler (verified owner) –
I’ve been using O15 Expansion for a few weeks, and the muscle pumps are incredible! It’s the best stimulant-free pre-workout I’ve tried.
Jason Nielsen (verified owner) –
As an athlete, I love this performance booster. It gives me the endurance I need without the jitters. Highly recommend!
Beverly Bailey (verified owner) –
Great product! The cheap stimulant-free pre-workout with electrolytes really keeps me hydrated and ready for my workouts.