Fire Up Every Workout With Optimum Nutrition Pre-Workouts

Optimum Nutrition (ON) pre-workouts are built to help you lift with more focus, push with greater intensity, and keep energy levels steady from start to finish. Known worldwide for clean, effective formulations, ON provides the fuel you need to bring purpose to every rep, set, and session.

Whether you’re trying a pre-workout for the first time or want something stronger for advanced training, ON offers formulas that align with different fitness levels and goals.

Not sure what pre-workout does? Check out our blog: What Does Pre-Workout Do?

Choose Your ON Pre-Workout Formula

• Gold Standard Pre-Workout – Delivers balanced energy and focus with 175 mg caffeine from natural sources, plus 3 g creatine, beta-alanine, and essential vitamins. Designed for reliable performance support without excessive stimulation—ideal for daily use.

• Gold Standard Pre Advanced – A more powerful option with 300 mg caffeine, 5 g creatine, 6 g L-citrulline, and higher beta-alanine. Suited to experienced athletes chasing maximum endurance, pumps, and drive in demanding training sessions.

Why Athletes in NZ Trust Optimum Nutrition Pre-Workouts

• Formulas designed for different needs—from steady focus to advanced energy support

• Transparent labels with no proprietary blends

• Produced to ON’s internationally recognised quality standards

• Banned substance tested for added assurance

Independent reviewers consistently highlight ON’s balance: Gold Standard Pre-Workout as a dependable entry choice, and Pre Advanced as a step up for lifters aiming to push harder.

Build a Complete ON Training Stack

Combine pre-workouts with other ON products to get more from your sessions:

• Protein Powders – Whey, Isolate, and Casein to support muscle repair and growth

• Creatine – Micronised Creatine or Creatine+ for strength and power output

• Aminos – Recovery and hydration support with Amino Energy, Amino Energy + Electrolytes, or BCAA Boost

• Mass Gainers – Serious Mass and Gold Standard Gainer for calorie and size support

Elevate Your Training With ON Pre-Workouts

From the controlled energy of Gold Standard Pre-Workout to the amplified power of Gold Standard Pre Advanced, Optimum Nutrition has a pre-workout to suit every training style. Explore the collection today and unlock greater performance in the gym.

Why Shop Optimum Nutrition Pre-Workouts at Nutrition Warehouse NZ?

• 100% genuine ON pre-workouts, sourced directly from the brand

• Exclusive bundle deals and value packs

• Free delivery NZ-wide on qualifying orders

• Click & Collect available at participating store locations

• Same Day Supps—delivery in as little as 2 hours in select metro areas

• Backed by the 5 Scoop Guarantee for complete confidence

• Best Price Guarantee—find it cheaper, we’ll beat it by $1 + include a free shaker

Shop the full ON Pre-Workout range today at Nutrition Warehouse New Zealand.