Train harder. Stay focused. Push further.

Nutrex NIOX is an advanced stimulant-free nitric oxide and pump formula designed to support blood flow, workout pumps, endurance, and training performance without caffeine. Whether you train early morning, late evening, or simply prefer stimulant-free performance support, NIOX is built to help maximise your session without the crash.

Featuring a performance-focused formula with ingredients selected to support muscle pumps, nutrient delivery, and exercise output, NIOX is ideal as a standalone pre-workout or stacked with your favourite stimulant-based pre.

Perfect for lifters chasing bigger pumps, improved training feel, and consistent performance.

Key Benefits

• Stimulant-free nitric oxide support
• Supports muscle pumps and blood flow
• Helps improve training performance
• No caffeine and no crash
• Can be used day or night
• Easy to stack with pre-workout formulas

Best For

• Muscle pumps
• Strength and resistance training
• Evening workouts
• Stimulant-sensitive users
• Pre-workout stacking

Why Buy From FitVibes?

• Authentic products
• Fast NZ delivery
• Free shipping over $99