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Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition
Gold Standard 100% Isolate by Optimum Nutrition

Gold Standard 100% Isolate by Optimum Nutrition

4.8
Rated 4.8 out of 5 stars
53 Reviews
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Nutrition Warehouse Callouts
  • 25g pure whey isolate protein
  • Low sugar and no added fats
  • Fast absorption for recovery support
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Was: $94.95
Total: $75.96

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100% Pure Creatine by Genetix Nutrition Essentials

Support your recovery and fuel your performance with Gold Standard 100% Isolate by Optimum Nutrition, a premium-quality whey isolate protein powder crafted for serious lifters and athletes. Designed for rapid absorption and high bioavailability, this ultra-pure isolate undergoes advanced filtration techniques to deliver a clean, fast-digesting protein that helps support your post-workout recovery and fitness progress.

Each scoop offers 25 grams of pure protein with minimal sugars, low sodium, and virtually no fats or carbs — making it an ideal option for those wanting lean support without unnecessary extras. Gold Standard 100% Isolate is a high-performance solution trusted by elite athletes and fitness professionals who demand maximum results with no compromise on purity or taste.

It mixes smoothly with just a shaker, making it a convenient and effective addition to any training routine. When results matter, Gold Standard 100% Isolate delivers.

Benefits of Gold Standard 100% Isolate by Optimum Nutrition:

  • Provides fast-absorbing protein to support post-workout recovery
  • Helps maintain lean muscle and overall performance
  • Mixes effortlessly with water or milk in a shaker
  • Contains 25g of premium protein with minimal sugar and low sodium
  • Ideal for those following lean or low-carb nutrition plans
  • Made by Optimum Nutrition, a globally trusted brand in sports nutrition

How does Gold Standard 100% Isolate compare to Gold Standard 100% Whey?
Gold Standard 100% Isolate is more highly filtered than Gold Standard 100% Whey, resulting in a purer protein with less sugar, fat, and lactose, making it a leaner option for those wanting maximum protein with minimal extras.

Is Gold Standard 100% Isolate better for fast absorption than Gold Standard 100% Whey?
Yes, Gold Standard 100% Isolate is designed for faster digestion due to its high purity and refined isolate content, which may make it more suitable for immediate post-workout recovery.

When your goal is to train harder and recover faster, Gold Standard 100% Isolate by Optimum Nutrition gives you the clarity and quality you need to keep pushing forward.

Mix one scoop of Gold Standard 100% Isolate with 180–240mL of cold water or beverage of choice. Consume immediately after training or as needed to meet your protein requirements. This product is intended for healthy adults; always read the label, use only as directed, and seek medical advice if unsure.
24 Serves / Chocolate Bliss
NUTRITION INFORMATION Per Serve / Per 100 g
Energy 461 kJ (110 kcal) / 1502 kJ (359 kcal)
Protein 25 g / 81 g
Total Fat 0.5 g / 2 g
Saturated Fat 0 g / 0 g
Total Carbohydrate 1 g / 3 g
Sugars 0 g / 0 g
Sodium 190 mg / 613 mg

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

Contains - Milk and Soy.

Nutrition information is intended as a guide and may vary slightly between flavours or over time. While we strive for accuracy, small differences can occur. For specific details on a particular 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

Support your recovery and fuel your performance with Gold Standard 100% Isolate by Optimum Nutrition, a premium-quality whey isolate protein powder crafted for serious lifters and athletes. Designed for rapid absorption and high bioavailability, this ultra-pure isolate undergoes advanced filtration techniques to deliver a clean, fast-digesting protein that helps support your post-workout recovery and fitness progress.

Each scoop offers 25 grams of pure protein with minimal sugars, low sodium, and virtually no fats or carbs — making it an ideal option for those wanting lean support without unnecessary extras. Gold Standard 100% Isolate is a high-performance solution trusted by elite athletes and fitness professionals who demand maximum results with no compromise on purity or taste.

It mixes smoothly with just a shaker, making it a convenient and effective addition to any training routine. When results matter, Gold Standard 100% Isolate delivers.

Benefits of Gold Standard 100% Isolate by Optimum Nutrition:

  • Provides fast-absorbing protein to support post-workout recovery
  • Helps maintain lean muscle and overall performance
  • Mixes effortlessly with water or milk in a shaker
  • Contains 25g of premium protein with minimal sugar and low sodium
  • Ideal for those following lean or low-carb nutrition plans
  • Made by Optimum Nutrition, a globally trusted brand in sports nutrition

How does Gold Standard 100% Isolate compare to Gold Standard 100% Whey?
Gold Standard 100% Isolate is more highly filtered than Gold Standard 100% Whey, resulting in a purer protein with less sugar, fat, and lactose, making it a leaner option for those wanting maximum protein with minimal extras.

Is Gold Standard 100% Isolate better for fast absorption than Gold Standard 100% Whey?
Yes, Gold Standard 100% Isolate is designed for faster digestion due to its high purity and refined isolate content, which may make it more suitable for immediate post-workout recovery.

When your goal is to train harder and recover faster, Gold Standard 100% Isolate by Optimum Nutrition gives you the clarity and quality you need to keep pushing forward.

Mix one scoop of Gold Standard 100% Isolate with 180–240mL of cold water or beverage of choice. Consume immediately after training or as needed to meet your protein requirements. This product is intended for healthy adults; always read the label, use only as directed, and seek medical advice if unsure.
24 Serves / Chocolate Bliss
NUTRITION INFORMATION Per Serve / Per 100 g
Energy 461 kJ (110 kcal) / 1502 kJ (359 kcal)
Protein 25 g / 81 g
Total Fat 0.5 g / 2 g
Saturated Fat 0 g / 0 g
Total Carbohydrate 1 g / 3 g
Sugars 0 g / 0 g
Sodium 190 mg / 613 mg

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

Contains - Milk and Soy.

Nutrition information is intended as a guide and may vary slightly between flavours or over time. While we strive for accuracy, small differences can occur. For specific details on a particular 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
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4.8
Rated 4.8 out of 5 stars
Based on 53 reviews
Total 5 star reviews: 44 Total 4 star reviews: 8 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 0
TasteRated 4.8 on a scale of 1 to 5
TextureRated 4.8 on a scale of 1 to 5
Value for moneyRated 4.5 on a scale of 1 to 5
Slide 1 selected
98%would recommend this product
Rating
Ratings
53 reviews
  • HB
    Hany B.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    8 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
  • AA
    Akash A.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    9 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
  • YM
    Yining M.
    Verified Reviewer
    I recommend this product
    Rated 4 out of 5 stars
    1 year 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
  • LS
    Lovepreet S.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    18 seconds ago
    Best

    Best

    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
  • SV
    Siddharth V. S.
    Verified Buyer
    Rated 3 out of 5 stars
    5 days ago
    Okay

    Product is good but found it very unfair when the shipping insurance was charged on the customer and not the supplier

    TasteRated 4.0 on a scale of 1 to 5
    TextureRated 4.0 on a scale of 1 to 5
    Value for moneyRated 3.0 on a scale of 1 to 5