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Hydrolysed and ultra-filtered whey protein isolate by Optimum Nutrition.


If you’re looking for more than an Isolate, look no further than Optimum Nutrition’s Gold Standard 100% Whey Isolate!

Whether you’re conscious about the quality of the products you put into your body or are simply looking for a cutting-edge whey protein source in its purest form, Optimum Nutrition Gold Standard 100% Isolate is designed specifically for athletes and fitness enthusiasts wanting to get the most out of their workouts, and even more from their results. Boasting 1 gram of carbs, less than 1 gram of fat and over 80% pure protein per serving, Gold Standard 100% Isolate will help you to aim higher and match your effort every step of the way.

Key Features & Benefits:

  • Gluten-free
  • Low fat, carb & sugar content - Under 1g of carbs, fat and sugar to 80% of protein per scoop. 
  • Supports muscle growth & recovery - Containing 25g of superior whey protein and 5.5g of BCAAs per serve, Gold Standard 100% Isolate is the ultimate muscle growth and recovery formula. From reducing the breakdown of muscle to increasing muscle protein synthesis, these ingredients contain everything your body requires to see and feel real results. 
  • Premium quality protein source - Gold Standard 100% Isolate contains 25g of only the highest quality whey protein, which undergoes an in-depth filtration process to remove excess fat, cholesterol and sugar. The result? Optimum Nutrition Gold Standard 100% Isolate ensures your body has more of what it needs to grow and recover, while simultaneously minimising the unnecessary ingredients, to deliver nothing but the ultimate protein source to maximise your results. 
  • Easily digested - The benefits of this protein source don’t stop at the refinery process. A portion of the Whey Protein Isolate is hydrolysed, meaning it is broken down into smaller amino acid chains to improve digestion. As a result, you can enjoy a fast digesting complete protein that your body can utilise at a faster rate.

If quality is what matters to you most, there’s no better choice than Optimum Nutrition Gold Standard 100% Whey Isolate!


  • Please visit our page Return & refund policy to check if you are eligible.

    If you would like to request a return for a product purchased through Junior Top Nutrition, please contact Us.

  • We offer FREE standard shipping on all orders over $200 (Value of products in cart must total $200 or more). 

    We also offer FREE standard shipping without any minimum spend for Sydney Metro Area and areas around this area. Contact us for more details about shipping areas. 

    Flat Rate Shipping

    • Standard Shipping - For all orders under $200 we offer Standard Shipping Australia wide for just $10.

    • Express Shipping - For orders under 5kg we offer Express Shipping Australia wide starting at $20.

    Standard shipping takes in the Sydney area between 1 to 3 days and outside and Australia wide 3 to 5 days.

    Express Shipping outside Sydney takes between 2 to 4 days.

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