2pm AEST
Estimated delivery by Mon Oct 19
from 11 verified customers3 sizes / 6 flavours
Gold Standard 100% Isolate by Optimum Nutrition
Price
$106.95
$106.95
SAVE 0%
$0.00 per serve 0 servesNutritional info
- 4 payments of $26.73*
- 4 payments of $26.73*
- From $17.82* a week
- Provides pure protein for lean gains
- Keeps macros tight and clean
- Helps prevent muscle breakdown
- Promotes lean strength gains over time
STACKS WELL WITH...
Add $43.05 and shipping is free
- Free gift when you spend $200
- Free postage on orders over $150
- East & west coast dispatch
- Easy returns within 30 days
Remy Hughes - Supplement MartVerified expert
Msc Sports Nutrition, Bsc Exercise Science
Reviewed January 2026
Good fit for
- Muscle building
- Fast recovery
- Low carb lifestyles
Not for
- Milk allergy
- Vegan diets
- Soy allergy
About this product
Free standard shipping on orders over $150, flat rate under that. Orders placed before 2PM AEST on a business day leave the same day, from whichever warehouse is closest to you.
Unopened and unused, send it back within 30 days for a refund or a swap. Change of mind included. Sealed tubs only, for obvious reasons.
Not sure which one is right for you? Ask us in chat, or walk into any of our 58 stores across Australia. Our staff train, so you get an answer rather than a sales pitch.
THE NUMBERS THAT MATTER
Optimum Nutrition Whey Isolate provides high-quality protein support with minimal extras. Ideal for those focused on lean muscle goals and clean nutrition.
- 25gProtein Per Serve
- 110Calories Per Serve
- 1gCarbohydrate
Sugars 0g per serveServing size about 1 scoop (31g)Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
NUTRITION & INGREDIENTS
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 461kJ(110kcal) | 1502kJ |
| Protein | 25g | 81g |
| Fat, total | 0.5g | 2g |
| - Saturated | 0g | 0g |
| Carbohydrate | 1g | 3g |
| - Sugars | 0g | 0g |
| Sodium | 190mg | 613mg |
Ingredients. Hydrolyzed Whey Protein Isolate, Whey Protein Isolate, Emulsifier (Soy Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).
Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 461kJ(110kcal) | 1502kJ |
| Protein | 25g | 81g |
| Fat, total | 0.5g | 2g |
| - Saturated | 0g | 0g |
| Carbohydrate | 1g | 3g |
| - Sugars | 0g | 0g |
| Sodium | 190mg | 613mg |
Ingredients. Hydrolyzed Whey Protein Isolate, Whey Protein Isolate, Emulsifier (Soy Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).
Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 461kJ(110kcal) | 1502kJ |
| Protein | 25g | 81g |
| Fat, total | 0.5g | 2g |
| - Saturated | 0g | 0g |
| Carbohydrate | 1g | 3g |
| - Sugars | 0g | 0g |
| Sodium | 190mg | 613mg |
Ingredients. Hydrolyzed Whey Protein Isolate, Whey Protein Isolate, Emulsifier (Soy Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).
Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 461kJ(110kcal) | 1502kJ |
| Protein | 25g | 81g |
| Fat, total | 0.5g | 2g |
| - Saturated | 0g | 0g |
| Carbohydrate | 1g | 3g |
| - Sugars | 0g | 0g |
| Sodium | 190mg | 613mg |
Ingredients. Hydrolyzed Whey Protein Isolate, Whey Protein Isolate, Emulsifier (Soy Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).
Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 461kJ(110kcal) | 1502kJ |
| Protein | 25g | 81g |
| Fat, total | 0.5g | 2g |
| - Saturated | 0g | 0g |
| Carbohydrate | 1g | 3g |
| - Sugars | 0g | 0g |
| Sodium | 190mg | 613mg |
Ingredients. Hydrolyzed Whey Protein Isolate, Whey Protein Isolate, Emulsifier (Soy Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).
Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 461kJ(110kcal) | 1502kJ |
| Protein | 25g | 81g |
| Fat, total | 0.5g | 2g |
| - Saturated | 0g | 0g |
| Carbohydrate | 1g | 3g |
| - Sugars | 0g | 0g |
| Sodium | 190mg | 613mg |
Ingredients. Hydrolyzed Whey Protein Isolate, Whey Protein Isolate, Emulsifier (Soy Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).
Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 461kJ(110kcal) | 1502kJ |
| Protein | 25g | 81g |
| Fat, total | 0.5g | 2g |
| - Saturated | 0g | 0g |
| Carbohydrate | 1g | 3g |
| - Sugars | 0g | 0g |
| Sodium | 190mg | 613mg |
Ingredients. Hydrolyzed Whey Protein Isolate, Whey Protein Isolate, Emulsifier (Soy Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).
Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 461kJ(110kcal) | 1502kJ |
| Protein | 25g | 81g |
| Fat, total | 0.5g | 2g |
| - Saturated | 0g | 0g |
| Carbohydrate | 1g | 3g |
| - Sugars | 0g | 0g |
| Sodium | 190mg | 613mg |
Ingredients. Hydrolyzed Whey Protein Isolate, Whey Protein Isolate, Emulsifier (Soy Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).
Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 461kJ(110kcal) | 1502kJ |
| Protein | 25g | 81g |
| Fat, total | 0.5g | 2g |
| - Saturated | 0g | 0g |
| Carbohydrate | 1g | 3g |
| - Sugars | 0g | 0g |
| Sodium | 190mg | 613mg |
Ingredients. Hydrolyzed Whey Protein Isolate, Whey Protein Isolate, Emulsifier (Soy Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).
Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 461kJ(110kcal) | 1502kJ |
| Protein | 25g | 81g |
| Fat, total | 0.5g | 2g |
| - Saturated | 0g | 0g |
| Carbohydrate | 1g | 3g |
| - Sugars | 0g | 0g |
| Sodium | 190mg | 613mg |
Ingredients. Hydrolyzed Whey Protein Isolate, Whey Protein Isolate, Emulsifier (Soy Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).
Contains Milk and Soy. May contain Eggs, Peanuts and Tree Nuts.
Based on the Chocolate flavour. Other flavours vary slightly.
Disclaimer: while we try our best to keep up-to-date nutritional information available on the website, packaging and products can change, therefore this information should serve only as a guide. Please refer to actual packaging for latest information.
BEST PAIRED WITH
QUESTIONS
What is Optimum Nutrition Whey Isolate?
How much protein does Optimum Nutrition Whey Isolate provide per serve?
Who is Optimum Nutrition Whey Isolate best suited for?
Why do people choose whey isolate over regular whey?
What are the benefits of using whey isolate regularly?
What is the best-selling flavour of Optimum Nutrition Whey Isolate?
Why are chocolate flavours so popular among gym-goers?
Are there flavour options suited to everyday consumers?
When is the best time to take Optimum Nutrition Whey Isolate?
Is Optimum Nutrition Whey Isolate compliant with Australian regulations?
INGREDIENT SPOTLIGHT
- 31gHydrolysed Whey Protein Isolate
- 24.3gProtein
CUSTOMER REVIEWS
4.1 / 5 from 11 reviews
It’s a good product I ever bought
Vanilla Flavour not the best
I ordered vanilla flavour, unfortuantly it doesn't taste very well compare to their 100% Whey.
Product is fine but they sent a tub with Short expiry date
It's a great product. but I was shipped A tub with Less then 6 months expiry.May 2024 Anything less then 12 months should have been sold at discount.
Fast when shipped
JOIN OUR REWARDS PROGRAM
Our rewards program gives you access to exclusive discounts, an awesome birthday voucher, access to VIP sales, and of course you earn points for every dollar you spend.
- Exclusive discounts
- Birthday voucher
- Early VIP sales
- 1 point per $1
- Better free shipping
- 50 points to join
- Earn in store too
- Redeem at checkout
You start with 50 points just for joining. Points expire 12 months after they are earned, and birthday vouchers are valid 30 days on a $50 minimum spend.
