Optimum Nutrition Gold Standard 100% Whey Isolate
Choose size
All prices – 1.6lb – 4 stores in stock
Updated 12 Apr, 6:18am
Product Details
Size
1.6lb
Servings
23
Serving size
31g
Barcode
748927061260
About this product
Optimum Nutrition Gold Standard 100% Isolate – Ultra-Pure Whey Protein Gold Standard 100% Isolate is Optimum Nutrition’s most advanced whey protein formula — crafted for those who demand precision, purity, and performance.
Through a multi-step filtration and hydrolysis process, this protein isolate delivers over 80% pure protein per serving, with minimal fat, carbs, or sugar.
Whether you're targeting lean muscle development, post-workout recovery, or a low-lactose solution, this formula supports your goals without compromise.
Consume post-workout or between meals to support daily protein needs. Can also be added to smoothies or oats.
Best price in NZ today
Best value size
5lb — $81.57/kg
$185.00
Xtreme Nutrition
Free shipping
Last checked 12 Apr 2026, 5:57am
All stores at a glance
Supplements NZ
1.6lb
$99.90
In stock
Sportsfuel
1.6lb
$99.94
In stock
NZ Muscle
1.6lb
$99.95
In stock
Nutrition Warehouse
1.6lb
$99.95
In stock
Supplements NZ
3lb
$149.90
In stock
Sportsfuel
3lb
$149.94
In stock
NZ Muscle
3lb
$149.95
In stock
Nutrition Warehouse
3lb
$149.95
In stock
Xtreme Nutrition
5lb
$185.00
In stock
Payless Supplements
5lb
$199.95
In stock
Sportsfuel
5lb
$239.94
In stock
NZ Muscle
5lb
$239.95
In stock
Nutrition Warehouse
5lb
$239.95
In stock
Supplements NZ
5lb
$239.95
In stock
Frequently asked questions
Based on today's prices, Supplements NZ has the lowest price at $99.90.
We compare 6 NZ stores daily so you always see the best deal.
Optimum Nutrition Gold Standard 100% Whey Isolate is available in 3 sizes:
- 1.6lb � from $99.90 at Supplements NZ
- 3lb � from $149.90 at Supplements NZ
- 5lb � from $185.00 at Xtreme Nutrition
Optimum Nutrition Gold Standard 100% Whey Isolate comes in 3 sizes:
- 1.6lb – from $99.90
- 3lb – from $149.90
- 5lb – from $185.00
The recommended retail price (RRP) is $239.95.
The current best price is $99.90 at Supplements NZ, saving you 58% off RRP.
Yes � currently in stock at 14 NZ stores.
Optimum Nutrition Gold Standard 100% Whey Isolate is sold by 6 NZ stores:
- Supplements NZ – $99.90 In stock
- Sportsfuel – $99.94 In stock
- NZ Muscle – $99.95 In stock
- Nutrition Warehouse – $99.95 In stock
- Xtreme Nutrition – $185.00 In stock
- Payless Supplements – $199.95 In stock