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Bulk Nutrients' Whey Protein Isolate

Whey Protein Isolate

921 product reviews
Great prices when buying in Bulk
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Product Description

Whey Protein Isolate

Our Whey Protein Isolate (WPI) is a low temperature cross and ultra filtered whey protein which remains completely undenatured. We believe it is one of the purest Whey Protein Isolates on the market, with high levels of protein and lower levels of fats, carbohydrates and sodium. Our Whey Protein Isolate is naturally rich in amino acids, particularly branched chain amino acids (BCAAs), essential amino acids (EAAs) and glutamine which ensures optimum muscle growth.

We use the strongest sweetener available and only the finest flavouring systems in our flavoured whey protein isolate, which ensures an exceptionally pure finished product. Our flavouring systems are mixed between 1% and 4% which guarantees product purity.

Our Whey Protein Isolate is suitable for those who want the fastest absorbing and most bio available protein source. From endurance to strength athletes users will find our Whey Protein Isolate (WPI) helps recovery, strength and muscle levels as well as strengthening the immune system.


Over the last 6 months supply for our NZ WPI has been increasingly unsteady.

Providing a consistent product is very important to us so we are now transitioning to cold filtered, grass fed WPIs from Ireland and the US.  

These proteins have undergone lengthy testing and as a positive the protein content is fractionally higher than our previously used NZ WPI, with equally low fat and carbohydrate levels.

Most importantly the whey used from both suppliers is cross filtered WPI from grass fed cows, identical to the process used with our previous NZ WPI.

You may notice some very minor changes in taste and texture but you can rest assured our WPI remains extremely pure, and of the highest quality as our customers expect.

Please click the flavour below to view our Whey Protein Isolate nutritional panels.

Servings Per Package: 1kg - 33
Serving Size: 30g

Chocolate Per Serve Per 100g
Energy (kj) 472 1572
Protein (g) 26.3 87.7
Carbohydrates (g) 0.5 1.7
(Sugars) (g) 0.3 1.5
Fats (g) 0.4 1.4
(Saturated) (g) 0.3 1.0
Sodium (mg) 61.5 205.0
Typical Amino Acid Profile Per 30g
Alanine 1379
Arginine 726
Aspartic acid 3023
Cysteine 967
Glutamic acid 4257
Glycine 435
Histidine 484
Isoleucine 1524
Leucine 3459
Lysine 2709
Methionine 580
Phenylalanine 919
Proline 1088
Serine 1088
Threonine 1282
Tryptophan 580
Tyrosine 1016
Valine 1354

 

FORMULATED SUPPLEMENTARY SPORTS FOOD. NOT SUITABLE FOR CHILDREN UNDER 15 YEARS OF AGE OR PREGNANT WOMEN. SHOULD ONLY BE USED UNDER MEDICAL OR DIETIC SUPERVISION.  THIS PRODUCT IS NOT A SOLE SOURCE OF NUTRITION AND SHOULD BE CONSUMED IN CONJUNCTION WITH A NUTRITIOUS DIET AND APPROPRIATE PHYSICAL TRAINING OR EXERCISE PROGRAM. 

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Showing reviews 1-10 of 921 | Next

  • Couldn't live without it!

    Posted by on Apr 02, 2017

    I cannot describe how great this product is. An easy way to reach my protein goals and tasty too. I've had Vanilla, Strawberry and Cookies and Cream and they are all great!

  • satisfied with quality

    Posted by on Mar 31, 2017

    I loved it not being too obnoxiously sweet. Maybe more "salted caramel" flavour would be nice but I guess it's not that easy with pure protein isolates?
    But I love the quality and not too high in sodium aswell. Free shipping would be great also!:)

  • Great Taste!

    Posted by on Mar 31, 2017

    This protein is the best tasting I've had! My favourites are banana and choc mint. One scoop mixed with water for breakfast will usually keep me full until lunch time :)

  • My new favourite protein

    Posted by on Mar 19, 2017

    I heard about Bulk Nutrients from a friend. I've purchased both the chocolate and strawberry WPI. Both flavours taste great, aren't super sweet and don't have a bad aftertaste like some protein powders I've tried in the past do. The consistency is really nice when added to milk and water. Honestly this is the best protein by far when it comes to taste and value for money!

  • Choc Mint WPI

    Posted by on Mar 15, 2017

    Easy to mix, but not a big fan on the taste, but has certainly helped with the muscle pain associated with recovery post exercise!

  • WPI Vanilla

    Posted by on Mar 15, 2017

    I like it. It mixes in really smoothly. The only criticism I have is that I find it really sweet. If you could take the edge off the sweetness a bit it would be perfect.

  • Quality Product at a Great Price!

    Posted by on Mar 14, 2017

    I've been using Bulk Nutrients WPI exclusively now for more than a year.
    Mixes easily in water or milk without any lumps and all the flavours I've tried so far have been great... choc honeycomb makes a great bedtime shake.

  • Best WPI

    Posted by on Mar 14, 2017

    This is one of the best WPI on the market, great range of flavours, better than all their competitors

  • Review

    Posted by on Mar 13, 2017

    Great protein, highly recommend to anyone unsure about what protein to use

  • Always best with BN

    Posted by on Mar 13, 2017

    I always stick to Bulk Nutrients for my protein and other supplements. Especially when it comes to WPI. I have tried each of the flavours and can't fault a single one of them. The mixability is spot on and it digests exceptionally well. Being in Tasmania, I can always expect my order to arrive at my door within 48hours.

    Spot on!!

Showing reviews 1-10 of 921 | Next

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