${ quantity }

Gold Standard 100% Isolate by Optimum Nutrition

Name: Gold Standard 100% Isolate by Optimum Nutrition
Brand: Optimum Nutrition
Price: 99.95 NZD
Availability: InStock
Rating: 4.8 (39 reviews)

4.8

Rated 4.8 out of 5 stars

39 Reviews

write a review

In stock Online Out of Stock Online

${ selectedVariant.price_money }

${ variants[0].price_money }

${ percentageOff(selectedVariant) }% Off

Don't Pay: ${ selectedVariant.comparePrice_money }

${ Math.floor(selectedVariant.price/100) } Points

$${Math.floor(selectedVariant.price / (100 / 0.03) * 100) / 100} Cashback

or 4 interest free payments of ${ selectedVariant.afterPayPrice }

Ultra-pure whey isolate
Fast digestion & absorption
Low sugar, no added fats

Select Option

Maximum of ${ maxQuantity } available.

${ quantity }

Was: $${ totalComparePrice }

Total: $${ totalPrice }

2025 Supplement Award Winner

2 nd
Brand of the Year

You may also like...

Recharge and recover faster with Optimum Nutrition Gold Standard 100% Isolate—a premium whey protein isolate designed for those who demand purity and performance. This fast-absorbing protein powder undergoes advanced filtration processes to deliver high-quality amino acids that support muscle recovery and growth. Favoured by top athletes, it mixes seamlessly and provides an ultra-clean protein source to fuel your fitness goals.

Benefits of Gold Standard 100% Isolate by Optimum Nutrition:

Supports Muscle Recovery – Helps repair and rebuild muscle post-workout.
Ultra-Pure Whey Isolate – Fast-digesting protein with minimal carbs and fats.
Gentle on Digestion – Designed to reduce bloating and discomfort.
Low Sugar & No Added Fats – Ideal for lean muscle support.
Easy Mixability – Smooth texture with no clumps.

Is this protein powder suitable for a lean diet?
Yes, it contains minimal carbs, no added fats, and only 1g of sugar per serving, making it perfect for maintaining a lean physique.

How does Gold Standard 100% Isolate support muscle growth?
With 25g of high-quality protein per serving, it provides essential amino acids that aid in muscle repair, helping you recover and grow stronger after workouts.

For a clean, fast-absorbing protein that delivers results, choose Optimum Nutrition Gold Standard 100% Isolate—the ultimate choice for post-workout recovery.

Mix 30 g (about 1 scoop) of whey isolate powder with 180-240 mL of cold water, milk, or your preferred beverage. Stir, shake, or blend for 30 seconds until fully dissolved. For best results, consume as part of a balanced diet and exercise program to meet your daily protein requirements.

24 Serves / Chocolate Bliss

NUTRITION INFORMATION	Per serve / Per 100 g
Energy	461 kJ / 1502 kJ
	110 kcal / 359 kcal
Protein	25 g / 81 g
Fat, total	0.5 g / 2 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	0 g / 0 g
Sodium	190 mg / 613 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

24 Serves / Rich Vanilla

NUTRITION INFORMATION	Per serve / Per 100
Energy	442 kJ / 1462 kJ
	106 kcal / 350 kcal
Protein	25 g / 83 g
Fat, total	0 g / 0 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	1 g / 3 g
Sodium	80 mg / 267 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Flavours, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

44 Serves / Chocolate Bliss

NUTRITION INFORMATION	Per serve / Per 100 g
Energy	461 kJ / 1502 kJ
	110 kcal / 359 kcal
Protein	25 g / 81 g
Fat, total	0.5 g / 2 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	0 g / 0 g
Sodium	190 mg / 613 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

44 Serves / Rich Vanilla

NUTRITION INFORMATION	Per serve / Per 100
Energy	442 kJ / 1462 kJ
	106 kcal / 350 kcal
Protein	25 g / 83 g
Fat, total	0 g / 0 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	1 g / 3 g
Sodium	80 mg / 267 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Flavours, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

76 Serves / Chocolate Bliss

NUTRITION INFORMATION	Per serve / Per 100 g
Energy	461 kJ / 1502 kJ
	110 kcal / 359 kcal
Protein	25 g / 81 g
Fat, total	0.5 g / 2 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	0 g / 0 g
Sodium	190 mg / 613 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

76 Serves / Rich Vanilla

NUTRITION INFORMATION	Per serve / Per 100
Energy	442 kJ / 1462 kJ
	106 kcal / 350 kcal
Protein	25 g / 83 g
Fat, total	0 g / 0 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	1 g / 3 g
Sodium	80 mg / 267 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Flavours, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

Warning

This product is not a sole source of nutrition and should be consumed in conjunction with a nutritious diet and an appropriate training or exercise program. Not suitable for children under 15 years of age or pregnant women: Should only be used under medical or dietetic supervision.

Orders placed before 3PM AEST, Monday to Friday (not including Public Holidays), will be shipped the same day! Once your payment clears and despatch information is available we'll email you an order tracking number. Most customers receive their supplements in 1-2 business days! As long as:

You order before 3pm (AEST) Mon-Fri
You use a payment method with instant clearance, like Paypal Instant Payment or Credit Card
Your parcel is less than 5kg in cubic weight. (Some bulky goods will not apply)
You are not in a remote location

Please note parcels going via Australia Post (PoBox, Defence Adresses) may take longer than 1-3 business days.

Parcels going to NT, and bulky parcels going to WA may take 5+ business days to arrive.

If your order weighs more than 5kg or is bulky: Heavy or bulky orders are sent via road freight which means that the estimated delivery time will be longer than orders sent via air freight.

If you have used an alternate payment method: Direct bank deposit or Paypal Echeque may take some time to clear. To get your supplements in the shortest time possible, use Paypal's Instant Payment or a credit card.

Shipping Policy

More Information

Benefits of Gold Standard 100% Isolate by Optimum Nutrition:

Supports Muscle Recovery – Helps repair and rebuild muscle post-workout.
Ultra-Pure Whey Isolate – Fast-digesting protein with minimal carbs and fats.
Gentle on Digestion – Designed to reduce bloating and discomfort.
Low Sugar & No Added Fats – Ideal for lean muscle support.
Easy Mixability – Smooth texture with no clumps.

Is this protein powder suitable for a lean diet?
Yes, it contains minimal carbs, no added fats, and only 1g of sugar per serving, making it perfect for maintaining a lean physique.

For a clean, fast-absorbing protein that delivers results, choose Optimum Nutrition Gold Standard 100% Isolate—the ultimate choice for post-workout recovery.

24 Serves / Chocolate Bliss

NUTRITION INFORMATION	Per serve / Per 100 g
Energy	461 kJ / 1502 kJ
	110 kcal / 359 kcal
Protein	25 g / 81 g
Fat, total	0.5 g / 2 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	0 g / 0 g
Sodium	190 mg / 613 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

24 Serves / Rich Vanilla

NUTRITION INFORMATION	Per serve / Per 100
Energy	442 kJ / 1462 kJ
	106 kcal / 350 kcal
Protein	25 g / 83 g
Fat, total	0 g / 0 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	1 g / 3 g
Sodium	80 mg / 267 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Flavours, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

44 Serves / Chocolate Bliss

NUTRITION INFORMATION	Per serve / Per 100 g
Energy	461 kJ / 1502 kJ
	110 kcal / 359 kcal
Protein	25 g / 81 g
Fat, total	0.5 g / 2 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	0 g / 0 g
Sodium	190 mg / 613 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

44 Serves / Rich Vanilla

NUTRITION INFORMATION	Per serve / Per 100
Energy	442 kJ / 1462 kJ
	106 kcal / 350 kcal
Protein	25 g / 83 g
Fat, total	0 g / 0 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	1 g / 3 g
Sodium	80 mg / 267 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Flavours, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

76 Serves / Chocolate Bliss

NUTRITION INFORMATION	Per serve / Per 100 g
Energy	461 kJ / 1502 kJ
	110 kcal / 359 kcal
Protein	25 g / 81 g
Fat, total	0.5 g / 2 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	0 g / 0 g
Sodium	190 mg / 613 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Cocoa (Processed with Alkali), Flavours, Salt, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

76 Serves / Rich Vanilla

NUTRITION INFORMATION	Per serve / Per 100
Energy	442 kJ / 1462 kJ
	106 kcal / 350 kcal
Protein	25 g / 83 g
Fat, total	0 g / 0 g
- Saturated	0 g / 0 g
Carbohydrate	1 g / 3 g
- Sugars	1 g / 3 g
Sodium	80 mg / 267 mg

Ingredients - Hydrolyzed Whey Protein Isolate [MILK], Whey Protein Isolate [MILK] (Emulsifier: SOY Lecithin), Flavours, Sweetener (955).

Allergen Statement - Contains Milk and Soy.

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

Warning

You order before 3pm (AEST) Mon-Fri
You use a payment method with instant clearance, like Paypal Instant Payment or Credit Card
Your parcel is less than 5kg in cubic weight. (Some bulky goods will not apply)
You are not in a remote location

Please note parcels going via Australia Post (PoBox, Defence Adresses) may take longer than 1-3 business days.

Parcels going to NT, and bulky parcels going to WA may take 5+ business days to arrive.

If your order weighs more than 5kg or is bulky: Heavy or bulky orders are sent via road freight which means that the estimated delivery time will be longer than orders sent via air freight.

Shipping Policy

4.8

Rated 4.8 out of 5 stars

Based on 39 reviews

Total 5 star reviews: 33 Total 4 star reviews: 6 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0

Slide 1 selected

100%would recommend this product

39 reviews

Sort

HB
Hany B.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
4 months ago
Best protein for all your needs
I’ve been using GSI for many years now and by far it’s one of the best if not the best for all your needs.
The best tasting protein that I have tried and trust me I tried so many of them.
Great for pre and after workout at the gym and can also help you gain or lose weight depending on your diet.
If you’re looking for results then look no further.
TasteRated 5.0 on a scale of 1 to 5
TextureRated 5.0 on a scale of 1 to 5
Value for moneyRated 5.0 on a scale of 1 to 5
Was this helpful?
AA
Akash A.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
5 months ago
Awesome Protein
It does what is says, gained 300g muscle mass in 3 weeks. Recommend 100%
TasteRated 5.0 on a scale of 1 to 5
TextureRated 5.0 on a scale of 1 to 5
Value for moneyRated 5.0 on a scale of 1 to 5
Was this helpful?
YM
Yining M.
Verified Reviewer
I recommend this product
Rated 4 out of 5 stars
12 months ago
Good protein
It’s a good source of protein, but a little bit too sweet for me
TasteRated 3.0 on a scale of 1 to 5
TextureRated 4.0 on a scale of 1 to 5
Value for moneyRated 4.0 on a scale of 1 to 5
Was this helpful?
SP
Samantha P.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
6 minutes ago
Great tasting protein
Nice taste, mixes well and doesn’t bloat me
TasteRated 5.0 on a scale of 1 to 5
TextureRated 5.0 on a scale of 1 to 5
Value for moneyRated 4.0 on a scale of 1 to 5
Was this helpful?
JP
Juan P.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
2 weeks ago
Great product
Good value for money
TasteRated 5.0 on a scale of 1 to 5
TextureRated 5.0 on a scale of 1 to 5
Value for moneyRated 5.0 on a scale of 1 to 5
Was this helpful?

Results for ${searchQuery}

${isZeroState ? 'Top Searched Terms' : 'Search Suggestions'}

${isZeroState ? 'Best Selling Products' : 'Products'}

Gold Standard 100% Isolate by Optimum Nutrition

You may also like...

${ gift.displayName }