Crowned Brand of the Year seven years running, Optimum Nutrition has built a reputation as one of the world’s most trusted sports supplement companies. Now available here in New Zealand, we’ve rounded up some of our favourite ON products to help you fuel training, recovery, and results.
Gold Standard 100% Whey by Optimum Nutrition
One of the most iconic protein powders globally, Gold Standard 100% Whey combines whey protein isolate (WPI), whey protein concentrate (WPC) and whey peptides. With low carbs and fat, it’s a clean, versatile option for supporting strength, recovery, and everyday wellness goals. Thanks to its instantised formula, it mixes smoothly and tastes great—perfect in shakes or even added to oats, yoghurt, muffins, or pancakes.
Gold Standard 100% Whey by Optimum Nutrition
- High‑Quality Protein for Muscle Growth & Recovery. Each scoop delivers 24 g of premium whey protein, with Whey Protein Isolate as the primary ingredient, making it an effective and fast-absorbing option to support muscle repair and growth.
- Naturally Rich in BCAAs and Glutamine Precursors. Contains approximately 5.5 g of naturally occurring branched-chain amino acids (BCAAs) and glutamine precursors per serving, helping enhance endurance and speed recovery post-exercise.
- Low‑Sugar, Low‑Fat, Easy‑Mixing, and Trusted Quality. Designed to be low in sugar and fat while offering smooth mixability; it's also gluten-free, banned substance tested, and globally recognised for its consistent quality.
Serious Mass by Optimum Nutrition
Looking to bulk up? Serious Mass is built for maximum size and strength gains. Each serving contains a huge 1,250 calories, with 50g protein and over 250g of carbs, delivering serious fuel for muscle building. Fortified with essential micronutrients including creatine, glutamine, choline, and inositol, Serious Mass supports muscle recovery and growth in one convenient shake.
Serious Mass by Optimum Nutrition
- Massive Calorie Surge for Weight Gain. Each two-scoop serving delivers approximately 1,250–1,260 kcal, making it a powerful tool for anyone needing a substantial calorie boost to support muscle gain or bulk phases.
- Balanced Macro Formula with Creatine Boost. Includes 50 g of fast-digesting protein, 250+ g of carbohydrates to replenish glycogen, and 3–5 g of added creatine monohydrate per serving to help enhance strength and training performance.
- Nutrient-Rich and Convenient – Offers more than just macros: it’s fortified with 19–25 essential vitamins and minerals, including glutamine for recovery, and supports busy lifestyles with an easy-to-mix shake format.
Gold Standard 100% Isolate by Optimum Nutrition
For those who prefer a cleaner formula, Gold Standard 100% Isolate is one of the purest whey proteins available. Undergoing advanced filtration, it removes excess carbs, fats, and sugars, leaving you with a fast-digesting protein that’s gentle on the stomach. Ideal for anyone sensitive to standard whey powders.
Gold Standard 100% Isolate by Optimum Nutrition
- Ultra‑Pure 25 g Whey Isolate Per Serving. Delivers high-quality hydrolyzed whey protein isolate for rapid absorption, with minimal carbs (approx. 1 g) and almost no fat ideal for lean muscle support and post-workout recovery.
- Supports Muscle Repair with BCAAs. Provides essential amino acids, helping to promote efficient muscle recovery and growth after training.
- Clean, Easy-to-Mix and Digest. Engineered for smooth mixability and gentle digestion with low sugar content (around 1 g or less) and no added fats making it perfect for those watching macros or following a lean nutrition plan.
Gold Standard Pre-Workout by Optimum Nutrition
When you need to hit the gym with focus and energy, Gold Standard Pre-Workout has your back. With natural caffeine for alertness, beta-alanine for endurance, and creatine monohydrate for strength, this formula supports peak performance in every session.
From protein powders to weight gainers and performance enhancers, Optimum Nutrition continues to set the gold standard for sports supplements. Trusted globally and now loved across New Zealand, ON offers a product for every training style and fitness goal.
Gold Standard Pre Workout by Optimum Nutrition
- Tick of approval for performance, focus and energy
- Contains premium and proven ingredients
- 3g of creatine monohydrate to support overall performance
- Banned substance tested in accordance with the Informed Choice certification
- 175mg of caffeine to help fuel your mind and body to train at the highest level
- 1.5 grams of beta alanine to help support enhanced endurance
- A range of delicious flavours
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