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Whey Protein

Whey protein is one of the most researched sports supplements for muscle recovery and lean mass support after training. At GymStack you can compare isolate, concentrate and blended formulas from over 50 trusted brands in one place.

Whether you train for strength, endurance or general fitness, choose from flavoured shakes, unflavoured bases and high-protein blends to match your goals and diet. Filter by brand, format and price to find the right product quickly.

All orders benefit from fast UK dispatch. Spend over £75 for free delivery on eligible items.

Explore related hubs: whey isolate, mass gainer, protein bars, creatine. See all brands on our brands A–Z page.

17% off

CNP
CNP Whey 2kg Toffee Yum

Sale price £57.99 Regular price £69.99

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RDX
RDX Belt 6" Leather Full Black M Black

Sale price £34.99 Regular price £41.99

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17% off

MaxiNutrition
MaxiNutrition MaxWhey 420g Chocolate

Sale price £24.99 Regular price £29.99

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NutriSport
NutriSport Whey Isolate 5kg Strawberry

Sale price £77.99 Regular price £93.99

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19% off

Powerade
Powerade 12x500ml Berry Tropical

Sale price £21.99 Regular price £26.99
Unit price£3.67 /L

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Per4m
Per4m Isolate Zero 2kg Strawberry

Sale price £93.99 Regular price £112.99
Unit price£47.00 /kg

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Applied Nutrition
Applied Nutrition Critical Oats Protein Porridge 12x60g Golden Syrup

Sale price £22.99 Regular price £27.99

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Applied Nutrition
Applied Nutrition Critical Plant 1.8kg Vanilla

Sale price £37.99 Regular price £45.99

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RDX
RDX Gym Hook Strap Plus Black

Sale price £18.99 Regular price £22.99

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Per4m
Per4m Advanced Whey Protein 2.01kg Caramel Biscuit

Sale price £57.99 Regular price £69.99
Unit price£28.85 /kg

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NutriSport
NutriSport 90+ Protein 5kg Strawberry

Sale price £70.99 Regular price £85.99
Unit price£14.20 /kg

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18% off

PhD Nutrition
PhD Nutrition Diet Whey 1kg Belgian Choc

Sale price £31.99 Regular price £38.99

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HIGH5
HIGH5 Energy Gel 6x40g Berry

Sale price £6.99 Regular price £8.99

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HIGH5
HIGH5 Energy Gel 20x40g Mango

Sale price £25.99 Regular price £31.99

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DY Nutrition
DY Nutrition Hit Pack Complex 30x8 Packs

Sale price £31.99 Regular price £38.99

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RDX
RDX Gym Gloves Sumblimation F6 L Blue

Sale price £12.99 Regular price £15.99

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Muscle Moose
Muscle Moose Supreme Protein 1.8kg Chocolate

Sale price £41.99 Regular price £50.99

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TWP
TWP ALL THE WHEY UP 900g Chocolate Bourbon

Sale price £32.99 Regular price £39.99

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BSN
BSN Syntha-6 Edge 1.87kg Cookies & Cream

Sale price £75.99 Regular price £91.99

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22% off

SIS
SIS HYDRO+ 6x4.3g Lemon

Sale price £6.99 Regular price £8.99

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21% off

Novo Nutrition
Novo Nutrition Novo Protein Pops 6x45g Salt and Vinegar

Sale price £10.99 Regular price £13.99
Unit price£40.70 /kg

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TWP
TWP Endure 510g Raspberry Lime

Sale price £26.99 Regular price £32.99

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TWP
TWP Endure 510g Blue Snowcone

Sale price £26.99 Regular price £32.99

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Muscle Moose
Muscle Moose Supreme Protein 1.8kg Vanilla

Sale price £41.99 Regular price £50.99

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NutriSport
NutriSport 90+ Protein 5kg Vanilla

Sale price £70.99 Regular price £85.99
Unit price£14.20 /kg

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Applied Nutrition
Applied Nutrition ABE (All Black Everything) 375g Baddy Berry

Sale price £25.99 Regular price £31.99

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Applied Nutrition
Applied Nutrition Iso-XP 1.8kg Vanilla

Sale price £90.99 Regular price £109.99

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Mountain Joes
Mountain Joes Protein Cake 10x60g Birthday Cake

Sale price £20.99 Regular price £25.99
Unit price£34.98 /kg

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Applied Nutrition
Applied Nutrition Diet Whey 1kg Strawberry Shake

Sale price £32.99 Regular price £39.99
Unit price£32.99 /kg

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Strom Sports
Strom Sports DigestMax 480g Raspberry

Sale price £44.99 Regular price £53.99

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Applied Nutrition
Applied Nutrition Diet Whey 1.8kg Strawberry Shake

Sale price £60.99 Regular price £73.99

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Per4m
Per4m Isolate Zero 900g Chocolate Creme

Sale price £46.99 Regular price £56.99

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17% off

NutriSport
NutriSport 90+ Protein 5kg Chocolate

Sale price £70.99 Regular price £85.99
Unit price£14.20 /kg

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18% off

BSN
BSN N.O.Xplode 650g Red Rush

Sale price £35.99 Regular price £43.99

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17% off

Strom Sports
Strom Sports LipidMAX 400g Mango

Sale price £44.99 Regular price £53.99
Unit price£112.48 /kg

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Bulk
Bulk Pure Whey Protein 1.8kg Strawberry

Sale price £48.99 Regular price £58.99

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NoWhey
NoWhey Flavoured Protein Water 12x330ml Berry

Sale price £26.99 Regular price £32.99

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Per4m
Per4m Isolate Zero 2kg Chocolate Eggsplosion

Sale price £93.99 Regular price £112.99

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Reflex Nutrition
Reflex Nutrition Instant Whey Pro 2.2kg Strawberry & Raspberry

Sale price £92.99 Regular price £111.99

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Applied Nutrition
Applied Nutrition Critical Oats Protein Porridge 12x60g Chocolate

Sale price £22.99 Regular price £27.99
Unit price£31.93 /kg

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22% off

HIGH5
HIGH5 Energy Gel 6x40g Orange

Sale price £6.99 Regular price £8.99
Unit price£29.13 /kg

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17% off

BSN
BSN N.O.Xplode 390g Purple Power

Sale price £23.99 Regular price £28.99
Unit price£61.51 /kg

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17% off

NutriSport
NutriSport 90+ Protein 5kg Banana

Sale price £70.99 Regular price £85.99
Unit price£14.20 /kg

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18% off

USN
USN Diet Fuel Ultralean 2kg Vanilla

Sale price £55.99 Regular price £67.99

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USN
USN Blue Lab Whey 2kg Salted Caramel

Sale price £63.99 Regular price £76.99
Unit price£32.00 /kg

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TWP
TWP Vari V2 580g Sour Apple

Sale price £41.99 Regular price £50.99

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Cellucor
Cellucor C4 Original 30 Servings 195g Icy Blue Razz

Sale price £23.99 Regular price £28.99

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17% off

Per4m
Per4m Advanced Whey Protein 2.01kg Smores

Sale price £57.99 Regular price £69.99
Unit price£28.85 /kg

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19% off

Applied Nutrition
Applied Nutrition ABE (All Black Everything) 375g Sour Apple

Sale price £25.99 Regular price £31.99
Unit price£69.31 /kg

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17% off

Per4m
Per4m Isolate Zero 2kg Vanilla

Sale price £93.99 Regular price £112.99
Unit price£47.00 /kg

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