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Whey Protein Isolate in NZ

Find your perfect whey protein isolate at our NZ store. Our premium range of whey isolate protein powders are excellent for optimising your protein intake while keeping carbohydrates and fats to a bare minimum. Perfect for fitness enthusiasts, bodybuilders, and anyone looking to boost their health.

Our selection of whey isolate protein powders carries high concentrations of protein that support muscle recovery and growth without the excess baggage. With low lactose content, they’re also a great protein booster for those with sensitive stomachs.

Whether you're crafting a nutrient-packed smoothie or seeking a quick post-workout shake, explore our range of flavours and brands to suit your nutritional regimen.

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  • pvl iso gold nz
    $189.95 - $189.95
    $189.95
    $189.95 - $189.95
    $189.95

    PVL 100% WHEY ISOGOLD - PREMIUM ISOLATE PROTEIN 5LB

    PVL

    ISOGOLD – OUR MULTI AWARD-WINNING ISOLATED WHEY PROTEIN   Premium Whey Protein – Zero Fillers Superior Whey Isolate & Hydrolysate Technolog...

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    $189.95 - $189.95
    $189.95
    $189.95 - $189.95
    $189.95
  • pvl iso gold
    Sold out
    $89.95 - $89.95
    $89.95
    $89.95 - $89.95
    $89.95

    PVL 100% WHEY ISOGOLD - PREMIUM ISOLATE PROTEIN 2LB

    PVL

    ISOGOLD – OUR MULTI AWARD-WINNING ISOLATED WHEY PROTEIN   Premium Whey Protein – Zero Fillers Superior Whey Isolate & Hydrolysate Technolog...

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    $89.95 - $89.95
    $89.95
    $89.95 - $89.95
    $89.95
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  • MUSCLETECH NITRO TECH RIPPED 2LB - Bay Supplements
    Sold out
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    MUSCLETECH NITRO TECH RIPPED 2LB

    Muscletech

    MuscleTech Nitro-Tech Ripped combines the highest quality whey protein peptides and isolate with a scientifically tested weight loss ingredient to ...

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    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95
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  • OPTIMUM NUTRITION GOLD STANDARD 100% WHEY ISOLATE 5LB - Bay Supplements
    Sold out
    $199.95 - $199.95
    $199.95
    $199.95 - $199.95
    $199.95

    OPTIMUM NUTRITION GOLD STANDARD 100% WHEY ISOLATE 5LB

    Optimum Nutrition

    THE ONLY 100% WHEY ISOLATE PROTEIN THAT WORKS AS HARD AS YOU DO! To create GOLD STANDARD 100% ISOLATE, They start by selecting only the highest qu...

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    $199.95 - $199.95
    $199.95
    $199.95 - $199.95
    $199.95
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  • MUSCLETECH ISOWHEY CLEAR - FRUITY/JUICE LIKE MIX-ABILITY - Bay Supplements
    $69.95 - $69.95
    $69.95
    $69.95 - $69.95
    $69.95

    MUSCLETECH ISOWHEY CLEAR - FRUITY/JUICE LIKE MIX-ABILITY

    Muscletech

    WHEY ISOLATE ISO WHEY CLEAR  22G WHEY PROTEIN ISOLATE | 20% BETTER ABSORPTION | 0G FAT & SUGAR | 220MG PROHYDROLASE  Not-your-typical protein! ...

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    $69.95 - $69.95
    $69.95
    $69.95 - $69.95
    $69.95
  • $5.00 - $5.00
    $5.00
    $5.00 - $5.00
    $5.00

    PVL ISOGOLD - PREMIUM ISOLATE PROTEIN SAMPLE - TRIPLE MILK CHOCOLATE

    PVL

    Experience the pinnacle of protein supplementation with PVL Isogold. Each sample pack delivers the highest quality whey protein isolate, providing ...

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    $5.00 - $5.00
    $5.00
    $5.00 - $5.00
    $5.00
  • MUTANT ISO SURGE WHEY PROTEIN ISOLATE 5LB - Bay Supplements
    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95

    MUTANT ISO SURGE WHEY PROTEIN ISOLATE 5LB

    Mutant

    You want a high quality whey isolate that will deliver exactly what the label says, with a huge hit of gourmet flavour. You want the best, to taste...

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    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95
  • $179.95 - $179.95
    $179.95
    $179.95 - $179.95
    $179.95

    MUSCLETECH ISOWHEY 5LB

    Muscletech

    IsoWhey is a premium whey protein isolate that tastes amazing! Each serving provides 25 grams of protein from higher quality whey protein isolate! ...

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    $179.95 - $179.95
    $179.95
    $179.95 - $179.95
    $179.95
  • EHP LABS ISOPEPT ZERO 2LB - Bay Supplements
    $84.95 - $84.95
    $84.95
    $84.95 - $84.95
    $84.95

    EHP LABS ISOPEPT ZERO 2LB

    EHP Labs

    We created ISOPEPT Hydrolyzed Whey Protein for EVERYONE demanding the highest quality post-workout protein to immediately fuel your muscles with th...

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    $84.95 - $84.95
    $84.95
    $84.95 - $84.95
    $84.95
  • ANS PERFORMANCE N-ISO 1.8LB - Bay Supplements
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    ANS PERFORMANCE N-ISO 1.8LB

    ANS Performance

    The cleanest, purest & fastest absorbing protein source yet.   100% hydrolyzed whey protein isolate source for the fastest absorption! Natural...

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    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95
  • OPTIMUM NUTRITION GOLD STANDARD 100% WHEY ISOLATE 1.6LB - Bay Supplements
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    $89.95 - $89.95
    $89.95
    $89.95 - $89.95
    $89.95

    OPTIMUM NUTRITION GOLD STANDARD 100% WHEY ISOLATE 1.6LB

    Optimum Nutrition

    Optimum Nutrition Gold Standard 100% Isolate is an ultra-pure protein powder that has been designed to minimise any excess fat, cholesterol, and su...

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    $89.95 - $89.95
    $89.95
    $89.95 - $89.95
    $89.95
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  • INTERNATIONAL PROTEIN AMINO CHARGED WPI 907G - Bay Supplements
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    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    INTERNATIONAL PROTEIN AMINO CHARGED WPI 907G

    International Protein

    AMINO ACID ENHANCED FORMULA What do you get when you take whey protein isolate, boost it with natural whey peptides and then super-charge it with t...

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    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95
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  • Sold out
    $74.99 - $74.99
    $74.99
    $74.99 - $74.99
    $74.99

    MUSCLE NATION PROTEIN WATER 750G

    Muscle Nation

    A refreshing clear protein water supplement which is a light alternative to the usual milky protein shake. With the benefits of protein, collagen, ...

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    $74.99 - $74.99
    $74.99
    $74.99 - $74.99
    $74.99
    Sold out
  • ANS PERFORMANCE N ISO 5LB - Bay Supplements
    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95

    ANS PERFORMANCE N ISO 5LB

    ANS Performance

    100% PURE HYDROLYZED WHEY ISOLATE PROTEIN The cleanest, purest & fastest absorbing protein source yet. 100% hydrolyzed whey protein isolate so...

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    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95
  • $82.95 - $82.95
    $82.95
    $82.95 - $82.95
    $82.95

    MUSCLETECH ISOWHEY 2LB

    Muscletech

    IsoWhey is a premium whey protein isolate that tastes amazing! Each serving provides 25 grams of protein from higher quality whey protein isolate! ...

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    $82.95 - $82.95
    $82.95
    $82.95 - $82.95
    $82.95
  • $84.95 - $84.95
    $84.95
    $84.95 - $84.95
    $84.95

    ABE ISO WHEY PROTEIN 2LB

    ABE

    The crew at ABE Nation had no interest launching a run-of-the-mill protein powder. Say goodbye to bland protein flavors and hello to a sweet, indul...

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    $84.95 - $84.95
    $84.95
    $84.95 - $84.95
    $84.95
  • MUTANT ISO SURGE 1.6LB - Bay Supplements
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    MUTANT ISO SURGE 1.6LB

    Mutant

    Details   High speed absorption to get protein into your muscle tissue FAST Premium high quality protein, enzyme boosted for extra bio-availabilit...

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    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95
  • MUSCLE NATION 100% WHEY ISOLATE - Bay Supplements
    $89.95 - $89.95
    $89.95
    $89.95 - $89.95
    $89.95

    MUSCLE NATION 100% WHEY ISOLATE

    Muscle Nation

    Not all protein powders are created equally. Premium Whey Isolate combined with DigeZyme®️ for increased muscle mass and digestive support. Muscle ...

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    $89.95 - $89.95
    $89.95
    $89.95 - $89.95
    $89.95
  • $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    APPLIED NUTRITION CLEAR WHEY PROTEIN 875G

    Applied Nutrition

    Hydrolysed Whey Protein Isolate   Applied Nutrition’s Clear Whey Protein is not your average protein shake. Using ultra-hydrolysed whey protein iso...

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    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95
  • MUTANT ISO SURGE WHEY PROTEIN ISOLATE 5LB - Bay Supplements
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    $169.95
    $169.95 - $169.95
    $169.95
    $110.95
    $110.95 - $110.95
    $110.95

    MUTANT ISO SURGE WHEY PROTEIN ISOLATE 5LB - DATED 3/25

    Mutant

    You want a high quality whey isolate that will deliver exactly what the label says, with a huge hit of gourmet flavour. You want the best, to taste...

    View full details
    $169.95
    $169.95 - $169.95
    $169.95
    $110.95
    $110.95 - $110.95
    $110.95
    Save 35% Save %
  • Save 34% Save %
    $69.95
    $69.95 - $69.95
    $69.95
    $45.95
    $45.95 - $45.95
    $45.95

    MUSCLETECH ISOWHEY CLEAR - FRUITY/JUICE LIKE MIX-ABILITY - DATED 3/25

    Muscletech

    WHEY ISOLATE ISO WHEY CLEAR  22G WHEY PROTEIN ISOLATE | 20% BETTER ABSORPTION | 0G FAT & SUGAR | 220MG PROHYDROLASE  Not-your-typical protein! ...

    View full details
    $69.95
    $69.95 - $69.95
    $69.95
    $45.95
    $45.95 - $45.95
    $45.95
    Save 34% Save %

Frequently Asked Questions

What does isolate protein powder do?

Isolate protein powder is a dietary supplement that provides a high-quality, purified form of protein, which is particularly effective for muscle repair and growth. It is ideally suited for people looking to boost their protein consumption without significant carbohydrates and fats after exercise.

Which is better: whey protein or whey isolate?

Whey protein and whey isolate are both great powders, depending on what you’re looking to get out of your supplement. Whey isolate protein powder is considered superior because it has a higher protein content and a lower presence of lactose, fats, and carbohydrates. This makes it an excellent choice for those with lactose intolerance or for people aiming for a leaner diet while maintaining a high protein intake.

The fattier content in whey protein makes it an excellent drink for those looking to bulk up or increase their healthier fat consumption.

Is protein isolate powder good for you?

Protein isolate powder can be beneficial to your health. It offers an easy way to increase your protein intake, which is essential for muscle maintenance, immune function, and other bodily processes. Even if you take it without exercise, consuming whey isolate protein powder can contribute to a balanced diet but should be combined with a healthy lifestyle for optimal benefits.

Can I take whey isolate protein powder without doing a workout?

You can take whey isolate protein powder without doing a workout, however, its benefits are optimised when you do exercise, particularly resistance training. It can be consumed at various times: in the morning to help suppress your appetite, after your exercise to aid in recovery, or before bed to provide muscles with the amino acids needed for overnight repair.

Are there any side effects of taking isolate protein powder?

Taking isolate protein powder is generally safe, but overconsumption can cause digestive issues such as bloating, gas, and cramps. People with kidney disorders should use it with caution and consult a healthcare professional due to the increased workload high protein intake can place on the kidneys. If you have any health conditions or concerns, consult your practitioner before using any supplement.

Is whey isolate protein powder good for weight loss?

Isolate protein can complement a weight loss regimen with exercise well as it can help maintain lean muscle mass while dieting. Its high protein content can reduce appetite and assist in reducing overall calorie intake. However, it should be used alongside a balanced approach to nutrition and exercise for best results.