Find Your Forever Fit With 25% Off
Plus get extra 5% Off Bars and Snacks!
Use Code: FIT25

Whey Protein Powder

53 results

Shop our high-quality whey protein powders, shakes, and blends for supplements designed to support the growth and maintenance of your muscle mass.

Sort by
  • Impact Whey Protein
     
    Quick Buy

    Impact Whey Protein

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$10.99
  • Protein Cookie
     
    Quick Buy

    Protein Cookie

    Weekly Deal | Extra 5% Off All Bars, Food & Snacks Today

    Try our range of bars, food and snacks today!

    Enjoy 25% off sitewide + an additional 5% off all bars, food and snacks this week.

    Use code: FIT25
    Shop Now
    NZ$54.99
  • Impact Whey Isolate
     
    Quick Buy

    Impact Whey Isolate

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$69.99
  • Weight Gainer Blend
     
    Quick Buy

    Weight Gainer Blend

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$69.99
  • Impact Whey Protein - Milk Tea
     
    Quick Buy

    Impact Whey Protein - Milk Tea

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$10.99
  • High-Protein Bar
     
    Quick Buy

    High-Protein Bar

    Weekly Deal | Extra 5% Off All Bars, Food & Snacks Today

    Try our range of bars, food and snacks today!

    Enjoy 25% off sitewide + an additional 5% off all bars, food and snacks this week.

    Use code: FIT25
    Shop Now
    NZ$40.99
  • Impact Whey Protein (Sample)
     
    Quick Buy

    Impact Whey Protein (Sample)

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    NZ$1.99
  • Oats & Whey Protein Bar
     
    Quick Buy

    Oats & Whey Protein Bar

    Weekly Deal | Extra 5% Off All Bars, Food & Snacks Today

    Try our range of bars, food and snacks today!

    Enjoy 25% off sitewide + an additional 5% off all bars, food and snacks this week.

    Use code: FIT25
    Shop Now
    NZ$45.99
  • Protein Pancake Mix
     
    Quick Buy

    Protein Pancake Mix

    Weekly Deal | Extra 5% Off All Bars, Food & Snacks Today

    Try our range of bars, food and snacks today!

    Enjoy 25% off sitewide + an additional 5% off all bars, food and snacks this week.

    Use code: FIT25
    Shop Now
    from NZ$10.99
  • Clear Whey Isolate
     
    Quick Buy

    Clear Whey Isolate

    Want To Get Free Delivery?
    Get free delivery when you spend $200

    FREE Standard Tracked Delivery*. On orders over $200.

    Offer automatically applied at checkout.

    *Free Delivery Does not include Express delivery.
    Shop Now
    NZ$42.99
  • Extreme Gainer Blend
     
    Quick Buy

    Extreme Gainer Blend

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$56.99
  • Impact Diet Whey
     
    Quick Buy

    Impact Diet Whey

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$10.99
  • Clear Whey Isolate (Sample)
     
    Quick Buy

    Clear Whey Isolate (Sample)

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    NZ$4.49
  • Protein Mug Cake
     
    Quick Buy

    Protein Mug Cake

    Weekly Deal | Extra 5% Off All Bars, Food & Snacks Today

    Try our range of bars, food and snacks today!

    Enjoy 25% off sitewide + an additional 5% off all bars, food and snacks this week.

    Use code: FIT25
    Shop Now
    from NZ$19.99
  • Impact Whey Isolate (Sample)
     
    Quick Buy

    Impact Whey Isolate (Sample)

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    NZ$1.99
  • THE Whey™
     
    Quick Buy

    THE Whey™

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$61.99
  • Impact Whey Protein Elite
     
    Quick Buy

    Impact Whey Protein Elite

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    NZ$77.99
  • Protein Meal Replacement Blend
     
    Quick Buy

    Protein Meal Replacement Blend

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$27.99
  • Protein Bar Elite
     
    Quick Buy

    Protein Bar Elite

    Weekly Deal | Extra 5% Off All Bars, Food & Snacks Today

    Try our range of bars, food and snacks today!

    Enjoy 25% off sitewide + an additional 5% off all bars, food and snacks this week.

    Use code: FIT25
    Shop Now
    NZ$43.99
  • Protein Chocolate
     
    Quick Buy

    Protein Chocolate

    Weekly Deal | Extra 5% Off All Bars, Food & Snacks Today

    Try our range of bars, food and snacks today!

    Enjoy 25% off sitewide + an additional 5% off all bars, food and snacks this week.

    Use code: FIT25
    Shop Now
    NZ$6.99
  • All-In-One Perform Blend Elite
     
    Quick Buy

    All-In-One Perform Blend Elite

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    NZ$86.99
  • Diet Protein Blend
     
    Quick Buy

    Diet Protein Blend

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$20.99
  • Overnight Recovery Blend
     
    Quick Buy

    Overnight Recovery Blend

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$38.99
  • Impact Whey Protein - Hojicha Latte
     
    Quick Buy

    Impact Whey Protein - Hojicha Latte

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$10.99
  • Clear Whey Isolate – Swizzels Edition (Sample)
     
    Quick Buy

    Clear Whey Isolate – Swizzels Edition (Sample)

    Try our limited edition Swizzels products | Excluded from all site discounts

    Try our limited edition Swizzels products, these are excluded from all site discounts.


    Shop Now
    NZ$4.99
  • Total Protein Blend
     
    Quick Buy

    Total Protein Blend

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$36.99
  • High-Protein Bar (Sample)
     
    Quick Buy

    High-Protein Bar (Sample)

    Weekly Deal | Extra 5% Off All Bars, Food & Snacks Today

    Try our range of bars, food and snacks today!

    Enjoy 25% off sitewide + an additional 5% off all bars, food and snacks this week.

    Use code: FIT25
    Shop Now
    NZ$4.99
  • Hydrolysed Whey Protein
     
    Quick Buy

    Hydrolysed Whey Protein

    25% Off + Extra 5% Off All Bars, Food & Snacks
    *Use Code: FIT25

    Get 25% off at checkout when you use code FIT25.


    *Extra savings automatically added at checkout.
    SHOP NOW
    from NZ$59.99
  • Clear Whey Isolate – Swizzels Edition
     
    Quick Buy

    Clear Whey Isolate – Swizzels Edition

    Try our limited edition Swizzels products | Excluded from all site discounts

    Try our limited edition Swizzels products, these are excluded from all site discounts.


    Shop Now
    NZ$29.99
  • Protein Water
     
    Quick Buy

    Protein Water

    Weekly Deal | Extra 5% Off All Bars, Food & Snacks Today

    Try our range of bars, food and snacks today!

    Enjoy 25% off sitewide + an additional 5% off all bars, food and snacks this week.

    Use code: FIT25
    Shop Now
    NZ$56.99

What is Whey Protein?

Whey protein, along with casein, is derived from milk. It’s a source of protein and essential amino acids, which are the building blocks of protein that occur naturally within the body. There are three different types of whey protein — concentrate, isolate, and hydrolysate — which all have unique nutritional compositions to cater for different dietary needs.


What are the Benefits of Whey Protein?

Whey protein shakes are a highly-popular way of getting additional protein into your diet to support both the building and maintenance of muscle mass — important no matter your workout goals. These shakes are also incredibly convenient, and can provide you with a protein boost whenever needed — whether between meals, before training, or post-workout.


Our Whey Protein Products

Our range of over twenty different whey protein supplements offers an unbeatable selection of high-quality powders and blends to fuel your fitness ambitions — featuring whey protein concentrate, isolate, and hydrolysate, as well as a variety of flavours including unflavoured protein powders, vanilla protein powders, and chocolate protein powders.


Our best-selling Impact Whey Protein is the UK’s #1 protein powder for everyday nutrition, with key benefits that make it the country’s favourite:

Ideal everyday shake to support all fitness and workout goals

  • Features 4.5g naturally-occurring BCAAs*
  • Boasts 21g of high-quality protein*
  • Available in over 40 different delicious flavours


For our premium whey protein formula, check out THE Whey™:

  • Designed to fuel serious mass-gaining gym training
  • Features 25g of ultra-quality whey protein*
  • Created with an expert filtration system and the finest ingredients
  • Contains under 2g of carbohydrates and 1g of fat*


Alternatively, for our purest whey protein powder, try our Impact Whey Isolate:

  • Perfect for providing a powerful protein boost
  • Features 90% protein content*
  • Completely fat free*
  • Contains under 100 calories*


Still not sure which is best for you? Check out our breakdown of the best whey protein powders.


Looking for another flavour? Check out our other selections of delicious protein shakes: peanut butter protein powders, strawberry protein powders, cookies and cream protein powders, banana protein powders, and caramel protein powders.


*Nutritional information will vary depending on flavour.


FAQs


What is whey protein?

During the process of cheese-making, milk is curdled and strained. Whey is the liquid byproduct which remains from this process and is considered a complete protein as well as being one of the best sources of protein (given the percentage of protein in a given volume is typically greater than 70%).


How is whey protein made?

The liquid whey byproduct from the cheese-making process is filtered to remove virtually all bacteria as well as the majority of the fat and lactose content. It is then put through a second filtration process depending on the form of whey protein product. Once this secondary filtration has been carried out the liquid whey is then spray dried into a powder and then packaged.


Is whey protein from dairy?

Yes, our whey protein is sourced from dairy cows.


Is whey protein keto-friendly?

Yes, as you can see from our products' nutritional information they have minimal carbohydrate per serving across our range, including Impact Whey Protein, Total Protein Blend and our Vegan Protein Blend.


Can whey protein help you to gain weight?

If it contributes to you being in a calorie surplus then yes, whilst also having the added benefit of helping you maintain a desirable body composition.


How does whey protein work?

Whey protein, like other protein sources, provides the building blocks needed to repair and rebuild muscle tissue. Research has also shown that it can help keep you fuller for longer and improve body composition.


How is whey made?

The liquid whey byproduct from the cheese-making process is filtered to remove virtually all bacteria as well as the majority of the fat and lactose content. It is then put through a second filtration process depending on the form of whey protein product. Once this secondary filtration has been carried out the liquid whey is then spray dried into a powder and then packaged.


What are the various forms of whey protein and how do they differ?

There are three forms whey protein appears in; whey protein concentrate, whey protein isolate and whey protein hydrolysate. Concentrate is the most commonly found form, low in fat and lactose and high in protein (typically exceeding 70%), Isolates are further processed to remove all the fat and lactose (containing at least 90% protein). Hydolysates are slightly different; they are "pre-digested" by an additional processing step making them more rapidly absorbable comparative to the other forms.