Protein powder & bars

Our protein powders and bars are some of Europe’s most loved and sold. We offer everything from whey-, egg white-, and casein protein to delicious organic and vegan options. There’s something for everyone no matter your taste, goal, or potential food allergies.

Set Descending Direction
  1. One Whey®
    grass-fed whey protein for your muscles
    As low as £15.90
  2. One Whey® Isolate
    pure protein helping you push harder and feel stronger
    As low as £29.90
  3. One Whey® Bar Zero box
    protein-packed power with zero sugar
    £19.90
  4. One Slender
    -25%
    One Slender
    diet shake with 22 g of protein
    As low as £29.90 Regular Price £39.90
  5. One Whey® Bar Zero
    protein-packed power with zero sugar
    As low as £1.90
  6. One Recovery®
    premium protein mixture for maximum recovery
    As low as £24.90
  7. One Whey Bar
    powerful protein in one delicious bar
    As low as £1.90
  8. One Collagen
    the fountain of youth
    As low as £34.90
  9. Organic One Vegan
    100% plant-based, organic protein
    As low as £24.90
  10. One Whey® Taster Pack
    discover your favourite flavour
    £4.50
  11. Big Weight Loss Pack
    -28%
    Big Weight Loss Pack
    maximise your fat burning
    £89.90
    Regular Price £124.60
  12. Medium Weight Loss Pack
    -17%
    Medium Weight Loss Pack
    take the next step towards your target weight
    £69.90
    Regular Price £84.70
  13. Small Weight Loss Pack
    -11%
    Small Weight Loss Pack
    get started with your weight loss
    £39.90
    Regular Price £44.80
  14. Big Muscle Pack
    -23%
    Big Muscle Pack
    maximise strength and endurance
    £99.90
    Regular Price £129.50
  15. Medium Muscle Pack
    -17%
    Medium Muscle Pack
    get the most out of your training
    £69.90
    Regular Price £84.70
  16. Small Muscle Pack
    -7%
    Small Muscle Pack
    the perfect starter pack
    £37.90
    Regular Price £40.80
  17. Workout System
    -21%
    Workout System
    optimise every workout
    £74.90
    Regular Price £94.60
  18. 100 Weight Loss Meals
    -19%
    100 Weight Loss Meals
    One Slender x 4, SmartShake Slim Pink
    £129.90
    Regular Price £160.50
  19. 24 h Protein
    -2%
    24 h Protein
    One Whey®, One Casein®, SmartShake Slim Pink
    £40.80
    Regular Price £41.70
  20. One Whey® Essentials
    the perfect beginners protein    
    As low as £9.90
  21. One Egg®
    protein powder from real eggs
    As low as £14.90
  22. One Whey® Sample
    whey protein sample    
    As low as £1.50
  23. One Bake
    a simple way to add protein to baked goods
    £29.90
  24. One Casein®
    slow-release protein for long-lasting strength
    As low as £24.90
  25. One Meal®
    a healthy meal in 10 seconds
    As low as £24.90
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