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Milk Protein

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Our range of high-quality milk protein and casein are the perfect alternatives to whey protein. Packed with slow-releasing protein, they help to grow and maintain muscle between meals, and even while you sleep.

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  • Impact Whey Protein
     

    Impact Whey Protein

    4.6 Stars 21107 Reviews

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    from £12.99
  • Slow-Release Casein
     

    Slow-Release Casein

    4.15 Stars 722 Reviews

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    from £22.99
  • Clear Whey Isolate
     

    Clear Whey Isolate

    4.53 Stars 1885 Reviews

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    from £26.99
  • Impact Whey Isolate
     

    Impact Whey Isolate

    4.47 Stars 3857 Reviews

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    from £21.99
  • Impact Diet Whey
     

    Impact Diet Whey

    4.33 Stars 3981 Reviews

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    from £8.99
  • Advanced Weight Gainer
     

    Advanced Weight Gainer

    4.32 Stars 1412 Reviews

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    from £37.99
  • Weight Gainer Blend
     

    Weight Gainer Blend

    4.08 Stars 603 Reviews

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    from £13.99
  • Protein Meal Replacement Blend
     

    Protein Meal Replacement Blend

    4.34 Stars 683 Reviews

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    from £14.99
  • THE Whey
     

    THE Whey

    4.44 Stars 34 Reviews

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    from £47.99
  • Total Protein Blend
     

    Total Protein Blend

    4.51 Stars 971 Reviews

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    from £31.99
  • Clear Whey Isolate – Swizzels Edition
     

    Clear Whey Isolate – Swizzels Edition

    2.84 Stars 165 Reviews

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    £14.99
  • Overnight Recovery Blend
     

    Overnight Recovery Blend

    4.29 Stars 337 Reviews

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    from £23.99
  • Protein Hot Chocolate
     

    Protein Hot Chocolate

    4.28 Stars 286 Reviews

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    £18.99
  • THE Whey+
     

    THE Whey+

    4.58 Stars 86 Reviews

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    £51.99
  • THE Gainer™
     

    THE Gainer™

    3.69 Stars 45 Reviews

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    £54.99
  • Coffee Boost Whey
     

    Coffee Boost Whey

    4.64 Stars 22 Reviews

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    from £12.99
  • Impact Whey Protein Elite
     

    Impact Whey Protein Elite

    4.74 Stars 57 Reviews

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    £99.99
  • Meal Replacement Blend
     

    Meal Replacement Blend

    4.26 Stars 124 Reviews

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    £24.99
  • All-In-One Perform Blend
     

    All-In-One Perform Blend

    4.44 Stars 1649 Reviews

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    from £59.99
  • THE Diet™
     

    THE Diet™

    4.17 Stars 46 Reviews

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    from £51.99
  • Organic Whey Protein
     

    Organic Whey Protein

    4.33 Stars 52 Reviews

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    from £16.19
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  • Impact Whey Protein 250g
     

    Impact Whey Protein 250g

    4.68 Stars 263 Reviews

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    £10.49
  • Slow-Release Casein Elite
     

    Slow-Release Casein Elite

    3.82 Stars 34 Reviews

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    £27.99
  • Protein Mocha
     

    Protein Mocha

    4.35 Stars 110 Reviews

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    £18.99
  • Impact Whey Protein – Ruby Chocolate
     

    Impact Whey Protein – Ruby Chocolate

    4.71 Stars 7 Reviews

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  • All-In-One Perform Blend Elite
     

    All-In-One Perform Blend Elite

    4.05 Stars 22 Reviews

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    £79.99
  • Diet Protein Blend
     

    Diet Protein Blend

    4.29 Stars 391 Reviews

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    from £19.99
  • Impact Native Whey Isolate
     

    Impact Native Whey Isolate

    4.22 Stars 159 Reviews

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    from £36.99
  • Clear Whey Gainer
     

    Clear Whey Gainer

    5.0 Stars 4 Reviews

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    £42.99
  • Limited Edition Impact Whey Protein
     

    Limited Edition Impact Whey Protein

    3.33 Stars 3 Reviews

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    from £21.07
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  • Milk Protein Powder
     

    Milk Protein Powder

    4.09 Stars 443 Reviews

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    £49.99
  • Impact Protein Blend
     

    Impact Protein Blend

    4.0 Stars 2 Reviews

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  • PeptoPro® Casein
     

    PeptoPro® Casein

    4.39 Stars 59 Reviews

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    £49.49

What is Casein?

Casein is derived from cow’s milk and makes up 80% of milk protein. It contains essential amino acids, which are the building blocks of protein and considered essential since they cannot be produced by your body.


What are the Benefits of Casein?

Casein is a popular form of protein because it’s slow-digesting and releases amino acids gradually, making it a great option for bedtime nutrition that provides a continuous boost of protein throughout the night — ideal for helping to support your muscle growth and maintenance while you sleep.


Our Milk Protein and Casein Products

Our range of milk protein and casein powder offers an unbeatable selection of high-quality shakes, powders, and blends to fuel your training.


Slow-Release Casein is our super-popular casein protein powder, designed to support your muscles overnight:

• Ideal night-time protein shake

• Contains 23g of slow-release protein*

• Boasts a complete amino acid profile

• Available in a variety of delicious flavours


Our Milk Protein has an impressive 93% milk protein concentrate content, making it an ideal source of bed-time protein:

• Perfect as a source of milk protein with only 106 calories*

• Sourced from ultra-filtered skimmed milk for a smooth-mixing shake

• Features both whey and casein proteins

• Contains only 0.2g of fat*


Alternatively, check out our Protein Hot Chocolate for an indulgent, high-protein hot chocolate mix:

• Perfect for a delicious protein kick any time of day

• Contains 14g of protein*

• Under 100 calories*

• Over 50% less fat and sugar than many supermarket alternatives*


*Nutritional information will vary depending on flavour.


FAQs


How is milk protein produced?

Whole milk is first separated into cream and skim milk. The skim milk is then ultrafiltrated to create a skim milk reduction. This reduction is further filtered to separate the casein and whey proteins from the other components within the skim milk. Once isolated these are then spray dried to create the milk powder which we use in our products.


What animal is milk protein from?

We source our milk protein from dairy cows.


Is milk protein the same as whey?

Whilst the source may be the same, the difference lies in the form of protein present; milk protein is 80% casein 20% whey protein whereas whey is virtually 100% whey protein.


What is the difference between milk protein concentrate and casein?

Casein powders will be virtually 100% casein protein whereas milk protein concentrate will be 80% casein and 20% whey proteins.


What is casein protein?

Casein protein is a "slower digesting" protein which forms a gel-like substance when it interacts with water. This slows down the release of protein and makes it an arguably better option for satiety and protein meals pre-fasting (such as your last meal of the day).


Does milk protein build muscle?

If your exercise programme and overall lifestyle support the goal of muscle building, then milk protein may be a valuable aid in helping you achieve it.


Can you get milk protein isolate?

Yes; it requires a further filtration process to further remove any non-protein constituents, however, it would leave you with an isolated protein source of at least 90% pure protein.


Is milk protein easy to digest?

Milk proteins may be more difficult to digest from source, however, our powdered products have had most of the lactose (the more difficult to digest component of milk) removed.