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1–86 of 86 products.Prices updated 25 Aug 2026, 15:32.

£/g protein ▲DosePriceSizeFormRatingName
£0.000651 g£28.862 kg · 1,000 srvPowder4.4 (30)Protein Works | Vegan Mass Matrix 360 - Gold, Vanilla Crème, 2kg | Vegan Mass Gainer, Weight Gain Supplement, Tri Protein Blend, Amino Acids, Post Workout Protein Shake, 10 Servings
£0.000660 g£54.996 kg · 1,500 srvPowder4.4 (60)Boditronics Mass Attack Heavyweight Mass Gainer Protein Powder with 60g Protein, 214g Carbohydrates and 5g Creatine per Serving, Banana Cream, 6 kg
£0.002051 g£49.992.5 kg · 500 srvPowder3.9 (5)Bulk 1000 Mass Gainer Powder, Chocolate Brownie, 2.5kg | High-Calorie Gainer with 51g Protein & 165g Carbs per Serving, At Least 1000 Calories per Serving
£0.002034 g£54.994.8 kg · 800 srvPowder4.7 (9)CNP Professional Mass XL, High Calorie Lean Mass, Muscle & Bulk, Weight Gainer Protein Powder Shake 4.8kg, 4 Flavours Available (Strawberry)
£0.009260 g£54.996 kg · 100 srvPowder5 (7)Boditronics Mass Attack Heavyweight Mass Gainer Powder with 60g Protein, 5g Creatine, 214g Carbohydrates for Muscle Building, Milk Chocolate, 6 kg
£0.01145 g£47.996 kg · 100 srvPowder4.1 (7)Method Mass Gainer Powder, Tropical Banana 6kg 100 Scoops | High Calorie Whey Protein Powder Weight Gainer for Muscle Growth
£0.01538 g£34.99300 g · 60 srvPowder4.2 (297)ProDog Muscle+ Dog Weight Gainer Powder, 76% Protein Tri Blend, 300g | 76% protein tri blend of hemp, pea & kelp with fish collagen & omega 3,6,9. No whey or dairy. 60 servings (300g).
£0.02551 g£40.002.73 kg · 32 srvPowder4.5 (12.6k)Optimum Nutrition Serious Mass Protein Powder, 2.73 Kg, 8 Servings | Vanilla, High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Supports Muscle Building
~£0.025~50 g£39.995.2 kg · 32 srvPowder4.6 (31)Mass Gainer 5.2kg Strawberry 1000 Calories 50g Protein
£0.02642 g£26.973.13 kg · 25 srvPowder3.6 (8)Applied Nutrition Beef Mass Gainer Protein Powder – 42g Beef Protein Isolate, High Calorie Weight Gainer Supplement, Lactose Free, Low Sugar (3.13kg – 25 Servings) (Frozen Berries)
~£0.027~49.5 g£39.985 kg · 30 srvPowder4.1 (700)Serious Gainz Bulk Mass Gainer Protein Powder 5kg Weight Gain Shake
~£0.028~49.5 g£50.006 kg · 36 srvPowder4.1 (326)USN Hyperbolic Mass Gainer Protein Powder I Dutch Chocolate I 6kg | 1,132kcal | 60g 6-Stage | Carb10 & Palatinose | 8.8g BCAAs | Glutamine, HMB & Creatine | Beta-Alanine | Hardgainer Size Stack
~£0.029~37.6 g£26.973.13 kg · 25 srvPowder—Applied Nutrition Beef Mass Gainer Protein Powder – 42g Beef Protein Isolate, High Calorie Weight Gainer Supplement, Lactose Free, Low Sugar (3.13kg – 25 Servings) (Tropical Vibes)
~£0.029~49.5 g£43.995 kg · 30 srvPowder5 (9)Super Weight Gainer Mass Gain 5kg / 5000g + Shaker
£0.03031 g£29.994 kg · 32 srvPowder4 (2)Weight Gainer High Protein Powder Shakes 4KG Vegetarian Serious Mass, Gainz Heavyweight, Weight Gain with Added Creatine, Glutamine and BCAA Powder Made in UK by PROELITE (4KG, Chocolate)
~£0.033~83.3 g£49.575 kg · 18 srvPowder4.1 (44)Warrior Mass Gainer Protein Powder 5kg High Calorie Weight Gain Shake | Mass Gainer, Weight Gain Shake, 18 Servings, 1000 kcal, 61g Protein, Whey & Casein Blend, For Women & Men (Double Chocolate)
£0.03356 g£29.622.27 kg · 16 srvPowder4.6 (170)MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | 2270g | Triple Chocolate
~£0.034~49.5 g£61.306 kg · 36 srvPowder—DY Nutrition Metabolic Mass Gainer Whey Protein Powder with Creatine Vitamins Magnesium for Muscle Growth Energy Recovery 6000g PFOA Free (Chocolate)
2 ingredients
Protein—Magnesium—
~£0.035~49.5 g£21.002 kg · 12 srvPowder4.2 (598)USN Hyperbolic Mass Gainer Protein Powder I French Vanilla I 2kg | 1,134kcal | 60g 6-Stage | Carb10 & Palatinose | 9.3g BCAAs | Glutamine, HMB & Creatine | Beta-Alanine | Hardgainer Size Stack
£0.03560 g£54.994 kg · 26 srvPowder4.4 (57)Boditronics Mass Attack Juggernaut Powder for Weight Gainer Powder, All in One Muscle Mass Gainer, High Protein Powder for Men & Women, 5g Creatine, BCAA, Glutamine & Beta Alanine (Rich Chocolates)
~£0.036~49.5 g£29.262.72 kg · 17 srvPowder4.2 (1.4k)MUTANT Mass Extreme 2500 | High-Calorie Weight Gainer | Complex Carbs, BCAAs & Glutamine | Hardcore Muscle Mass Shake | 2720g | Vanilla Ice Cream
£0.03727 g£39.985 kg · 40 srvPowder4.1 (880)Serious Gainz Bulk Mass Gainer Protein Powder 5kg Weight Gain Shake
£0.03727 g£39.995 kg · 40 srvPowder4.1 (1.6k)Serious Gainz Bulk Mass Gainer Protein Powder 5kg Weight Gain Shake
~£0.040~56 g£30.512.27 kg · 14 srvPowder4.4 (440)MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | (2270g) | (Strawberry Banana)
~£0.040~102.2 g£65.005.45 kg · 16 srvPowder4.4 (1k)Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Cookies and Cream, 16 Servings, 5.45 kg, Packaging May Vary
~£0.040~49.5 g£29.992.5 kg · 15 srvPowder3.2 (82)Bulk Vegan Mass Gainer, Strawberry, 2.5 kg
£0.04030 g£29.992.5 kg · 25 srvPowder3.4 (92)Bulk Vegan Mass Gainer, Banana Caramel, 2.5 kg
£0.04030 g£29.992.5 kg · 25 srvPowder3.8 (29)Bulk Vegan Mass Gainer, Vanilla, 2.5 kg | Plant Based Protein Powder, Weight Gainer, 25 Servings
£0.04050 g£39.995.2 kg · 20 srvPowder4.2 (31)Mass Gainer 5.2kg Chocolate 1000 Calories 50g Protein
£0.04230 g£49.995 kg · 40 srvPowder3.9 (48)Anabolic Gainz 5kg – Mass Gainer – 30g Protein Powder – Contains 3g Creatine Per Serving – Post Workout Recovery Fuel to Build Lean Muscle – 40 Servings – GMP Certified – TBPC (Vanilla)
£0.04352.5 g£35.952.4 kg · 16 srvPowder4.3 (68)Applied Nutrition Critical Mass Professional - Weight Gain Protein Powder, High Calorie Weight Gainer, Lean Mass (2.4kg - 16 Servings) (Chocolate)
£0.04332 g£21.992 kg · 16 srvPowder4.5 (94)SCI-MX Total Mass • Mass Gainer Protein Powder • Chocolate Flavour • 2Kg | SCI-MX Total Mass • Chocolate Flavour • Mass Gainer Protein Powder • High Calorie Support • Muscle Gain
£0.04361 g£47.255 kg · 18 srvPowder4 (43)Warrior Mass Protein Powder – 5.04kg – Serious Mass Gainer – High Calorie, Weight Gain Supplement – 61g of Protein, 18 Servings, 1000+ Calories Shake, Supports Muscle Growth (Salted Caramel, 5kg)
£0.04460 g£52.826 kg · 20 srvPowder4.2 (416)USN Hyperbolic All in One Mass (6000g) Strawberry - Weight Gainer - with Creatine | 1,134kcal | 60g 6-Stage | Carb10 & Palatinose | 9.3g BCAAs | Glutamine, HMB & Creatine | Beta-Alanine | Hardgainer Size Stack
£0.04543 g£34.992.5 kg · 18 srvPowder4.2 (257)Bulk Complete Mass Gainer, Chocolate | 16 servings, 43g Protein per Serving, 81g Carbohydrates, 500 kcal per Serving, High-Calorie Weight Gainer
£0.04534 g£16.991 kg · 11 srvPowder4.2 (203)Bulk Lean Mass Gainer, Vanilla, 1 kg | Protein Shake
£0.04648 g£43.993 kg · 20 srvPowder2 (1)DY Nutrition Game Changer Mass Gainer Powder 3Kg 20 Servings High-Protein Lean Muscle Supplement with Creatine, Carbohydrates, BCAAs, L-Glutamine, Vitamins & Minerals for Recovery (Chocolate)
£0.04660 g£54.996 kg · 20 srvPowder4.1 (85)Boditronics Mass Attack Heavyweight Mass Gainer Powder for High Protein and High-Calorie Weight Gainer Protein Powder with 5g Creatine, BCAA, Glutamine and Beta Alanine (Vanilla Ice Cream)
£0.04642 g£34.992.5 kg · 18 srvPowder3.8 (25)Bulk Complete Mass Gainer, Cinnamon Cereal Milk | 6 servings, 42 g Protein per Serving, 85g Carbohydrates, 500 kcal, High-Calorie Weight Gainer
~£0.047~79.5 g£29.902.12 kg · 8 srvPowder4.1 (159)Protein Works | Total Mass Matrix 360 - Gold, Chocolate Silk, 2.12kg | Tri Protein Blend, Mass Gainer Protein Powder, Creatine Monohydrate, Glutamine, Vitamin & Mineral Blend, 8 Servings
£0.04845 g£14.991 kg · 7 srvPowder4 (765)Bulk Complete Mass Gainer, Chocolate | 6 servings, 43g Protein per Serving, 81g Carbohydrates, 500 kcal per Serving, High-Calorie Weight Gainer
£0.04955 g£37.992.03 kg · 14 srvPowder4 (100)Reflex One Stop Xtreme Mass Gainer, Protein Powder, Vanilla, 2.03kg | All-in-one mass gainer with 55g protein, 10.3g BCAAs and 5,000mg creatine for muscle building.
~£0.050~55 g£71.994.35 kg · 26 srvPowder4 (100)Reflex One Stop Xtreme Mass Gainer, Protein Powder, Vanilla, 4.35kg | All-in-one mass gainer with 55g protein, 10.3g BCAAs and 5,000mg creatine for muscle building.
£0.05043 g£14.991 kg · 7 srvPowder4 (25)Bulk Complete Mass Gainer, Chocolate Caramel | 6 servings, 43g Protein per Serving, 81g Carbohydrates, 500 kcal, High-Calorie Weight Gainer
~£0.050~49.5 g£34.142.27 kg · 14 srvPowder4.4 (100)BioTechUSA Hyper Mass - Mass Gainer with Carbs & Protein Blend | Micronised Creatine | Gluten-Free, 2.27 kg, Salted Caramel
~£0.051~49.5 g£37.992.5 kg · 15 srvPowder4.1 (71)Bulk Lean Mass Gainer, Vanilla, 2.5 kg | Protein Shake
£0.05143 g£34.992.5 kg · 16 srvPowder4.2 (16)Bulk Complete Mass Gainer, Chocolate Caramel | 16 servings, 43g Protein per Serving, 81g Carbohydrates, 500 kcal, High-Calorie Weight Gainer
£0.05142 g£14.991 kg · 7 srvPowder4 (26)Bulk Complete Mass Gainer, Cinnamon Cereal Milk | 16 servings, 42g Protein per Serving, 85g Carbohydrates, 500 kcal, High-Calorie Weight Gainer
£0.05242 g£34.992.5 kg · 16 srvPowder3.8 (146)Bulk Complete Mass Gainer, Vanilla | 16 servings, 42g Protein per Serving, 84g Carbohydrates, 500 kcal, High-Calorie Weight Gainer
~£0.054~52 g£49.992.94 kg · 18 srvPowder4.2 (307)Dymatize Super Mass Gainer Cookies & Cream 2943g - Weight-Gainer Powder + Carbohydrates, BCAAs and Casein
£0.05451 g£27.552 kg · 10 srvPowder4.5 (23)Protein Works | Vegan Mass Matrix 360 - Gold, Banana Smooth, 2kg | Vegan Mass Gainer, Weight Gain Supplement, Tri Protein Blend, Amino Acids, Post Workout Protein Shake, 10 Servings
£0.05572 g£19.671 kg · 5 srvPowder—Protein Works | Vegan Mass Matrix 360 - Gold, Chocolate Bueno, 1kg | Vegan Mass Gainer, Weight Gain Supplement, Tri Protein Blend, Amino Acids, Post Workout Protein Shake, 5 Servings
£0.05551 g£28.132 kg · 10 srvPowder4 (21)Protein Works | Vegan Mass Matrix 360 - Gold, Chocolate Silk, 2kg | Vegan Mass Gainer, Weight Gain Supplement, Tri Protein Blend, Amino Acids, Post Workout Protein Shake, 10 Servings
~£0.056~79.2 g£22.211.32 kg · 5 srvPowder4.1 (116)Protein Works | Total Mass Matrix 360 - Gold, Banana Smooth, 1.32kg | Tri Protein Blend, Mass Gainer Protein Powder, Creatine Monohydrate, Glutamine, Vitamin & Mineral Blend, 5 Servings
£0.05860 g£21.002 kg · 6 srvPowder4.3 (420)USN Hyperbolic Mass Gainer Protein Powder I Strawberry Cheesecake I 2kg | 1,134kcal | 60g 6-Stage | Carb10 & Palatinose | 9.3g BCAAs | Glutamine, HMB & Creatine | Beta-Alanine | Hardgainer Size Stack
~£0.059~31 g£21.992 kg · 12 srvPowder4.4 (101)SCI-MX Total Mass - Advanced Muscle Mass Gainer Protein Powder - Muscle Growth & Weight Gain - Strawberry • 31g Protein + 478 Calories per Serving • 2kg
£0.05930 g£52.993.18 kg · 30 srvPowder—NXT Nutrition Beef Mass Gain 3.15kg | High Calorie Weight Gainer with Beef Protein Isolate | 30g Protein & 70g Carbs per Serving | Dairy Free Mass Gainer (Ice Burst)
£0.05942 g£14.991 kg · 6 srvPowder4.1 (454)Bulk Complete Mass Gainer, Vanilla | 6 servings, 42g Protein per Serving, 84g Carbohydrates, 500 kcal per Serving, High-Calorie Weight Gainer
~£0.061~54 g£39.982 kg · 12 srvPowder4.5 (576)USN Muscle Fuel Anabolic All-In-One Muscle Mass Gainer, Strawberry Flavour - 2kg, 54g Protein Powder, 5g Creatine Powder & 5g BCAA Powder For Maximum Muscle Growth, Post Workout Recovery Drink Mix | 54g Protein Matrix | 9.81g BCAAs | 78.5g Mass Gainer Carbs | Creatine | HMB | Beta-Alanine | Avena Sativa | Easy Digestion
£0.06330 g£30.002 kg · 16 srvPowder4.2 (52)USN Wholefood Muscle Gain Protein Powder, Vanilla Flavour - 2kg, Natural Muscle Growth & Mass Gainer, All-in-One 30g Vegan Protein Powder, Meal Replacement & Dietary Supplement Protein Shake Mix | 483kcal | 30g Pea & Rice Protein | 4.5g Fibre | Oats & Sweet Potato Carbs | Zero Soy or Maltodextrin | Stevia | Clean Bulk
~£0.063~48 g£64.993.53 kg · 21 srvPowder4.3 (2.2k)NAKED Mass - Unflavored Natural Weight Gainer Protein Powder - 3531g - GMO, Gluten, and Soy Free. No Artificial Ingredients - 1,216 Calories per Serving
£0.06451 g£32.492 kg · 10 srvPowder—Protein Works | Vegan Mass Matrix 360 - Gold, Chocolate Bueno, 2kg | Vegan Mass Gainer, Weight Gain Supplement, Tri Protein Blend, Amino Acids, Post Workout Protein Shake, 10 Servings
£0.06451 g£16.311 kg · 5 srvPowder3.5 (29)Protein Works | Vegan Mass Matrix 360 - Gold, Banana Smooth, 1kg | Vegan Mass Gainer, Weight Gain Supplement, Tri Protein Blend, Amino Acids, Post Workout Protein Shake, 5 Servings
£0.06730 g£32.002 kg · 16 srvPowder4.4 (57)USN Wholefood Muscle Gain Protein Powder, Chocolate Flavour - 2kg, Natural Muscle Growth & Mass Gainer, All-in-One 30g Vegan Protein Powder, Meal Replacement & Dietary Supplement Protein Shake Mix | 471kcal | 30g Pea & Rice Protein | 8.9g Fibre | Oats & Sweet Potato Carbs | Zero Soy or Maltodextrin | Stevia | Clean Bulk
£0.06946 g£94.994.8 kg · 30 srvPowder4.4 (208)Kinetica Sports OatGain Mass Gainer–Raspberry Yoghurt, 4.8Kg, 30 Servings | 46g Protein, 78g Carbs & 620 Kcal/Serve |Optimum Bulk Weight Gain Whey Protein Supplement | WADA & Informed Sport Approved
£0.07246 g£49.992.4 kg · 15 srvPowder4.4 (208)Kinetica Sports OatGain Mass Gainer–Raspberry Yoghurt, 2.4Kg, 15 Servings | 46g Protein, 78g Carbs & 620 Kcal/Serve |Optimum Bulk Weight Gain Whey Protein Supplement | WADA & Informed Sport Approved
~£0.076~60 g£22.711 kg · 5 srvPowder4.1 (35)Protein Works | Vegan Mass Matrix 360 - Gold, Chocolate Silk, 1kg | Vegan Mass Gainer, Weight Gain Supplement, Tri Protein Blend, Amino Acids, Post Workout Protein Shake, 5 Servings
£0.07734 g£28.621 kg · 11 srvPowder4.1 (557)Bulk Lean Mass Gainer, Chocolate, 1 kg | Protein Shake
£0.07750 g£61.355.45 kg · 16 srvPowder4.5 (3.2k)Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Banana, 16 Servings, 5.45 kg, Packaging May Vary
£0.07950 g£31.402.73 kg · 8 srvPowder4.4 (18.5k)Optimum Nutrition Serious Mass Protein Powder, 2.73 Kg, 8 Servings | Chocolate, High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Supports Muscle Building
~£0.080~100.5 g£32.001.34 kg · 4 srvPowder4.2 (38)Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 4 Servings, 1.34 kg, Packaging May Vary
£0.08050 g£40.002.73 kg · 10 srvPowder4.4 (5.8k)Optimum Nutrition Serious Mass Protein Powder, 2.73 kg 8 Servings | Strawberry, High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Supports Muscle Building
£0.08050 g£36.153 kg · 9 srvPowder4.2 (802)PBN - Premium Body Nutrition Weight Gainer 3kg Cookies, New Improved Flavour | 50g Protein per Serving, 1300 Calories Per Serving, Mass Gain Nutrition, Vegetarian
£0.08450 g£67.205.45 kg · 16 srvPowder4.5 (15.4k)Optimum Nutrition Serious Mass Protein Powder, 5.45 Kg, 16 Servings | Chocolate, High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Supports Muscle Building
£0.09160 g£32.672 kg · 6 srvPowder4.1 (657)Reflex Instant Mass Heavyweight Mass Gainer Protein, Chocolate, 2kg | Over 1000 kcal per serving with 60g protein and creatine. High calorie protein shake for post workout or before bed.
£0.09150 g£36.552.73 kg · 8 srvPowder4.5 (2.3k)Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Cookies and Cream, 8 Servings, 2.73 kg, Packaging May Vary
£0.09450 g£74.995.45 kg · 16 srvPowder4.4 (991)Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate Peanut Butter, 16 Servings, 5.45 kg, Packaging May Vary
£0.1050 g£40.002.73 kg · 8 srvPowder4.5 (4.2k)Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine Monohydrate and Glutamine, Banana, 8 Servings, 2.73kg, Packaging May Vary
£0.1152 g£49.992.94 kg · 9 srvPowder4.4 (635)Dymatize Super Mass Gainer Rich Chocolate 2943g - Weight-Gainer Powder + Carbohydrates, BCAAs and Casein
£0.1127 g£29.6110 g · 10 srvBars4 (69)Dymatize Super Mass Gainer Bar Vanilla Caramel Fudge - High Protein Weight-Gainer Bar + Whey and Casein Protein
£0.1112 g£66.996.8 kg · 49 srvPowder4.4 (1k)MUTANT Mass Weight Gainer Protein Powder with a Whey Isolate, Concentrate, and Casein Protein Blend, for High-Calorie Workout Shakes, Smoothies and Drinks, 6.8 Kg (15 lb) - Triple Chocolate
£0.1312 g£39.896 kg · 25 srvPowder4.2 (26)Applied Nutrition Original Critical Mass - Weight Gainer with MCT Powder, High Calorie Protein Powder Mass Gainer (6kg - 25 Servings) (Vanilla)
~£0.15~12 g£29.262.72 kg · 17 srvPowder4.3 (1k)MUTANT Mass Extreme 2500 | High-Calorie Weight Gainer | Complex Carbs, BCAAs & Glutamine | Hardcore Muscle Mass Shake | 2720g | Cookies & Cream
£0.1820 g£21.002 kg · 6 srvPowder4.2 (303)USN Hyperbolic All in One Mass (2000g) Chocolate - Weight Gainer - with Creatine | 1,132kcal | 60g 6-Stage | Carb10 & Palatinose | 8.8g BCAAs | Glutamine, HMB & Creatine | Beta-Alanine | Hardgainer Size Stack
~£0.34~49.5 g£30.95300 g · 2 srvPowder4 (874)Buddy & Lola Dog Weight Gainer - Protein for Dogs, Build Muscle & Recovery | High-calorie weight gainer. 43kcal per scoop for underweight & rescue dogs. Plant based chicken flavour with soy & flaxseed
—~—£49.99120 caps · 30 srvCapsules—Efectiv Nutrition MPS185 - Vegan, Gluten Free, Mass Gainer with DL185 Dileucine. Supports Muscle Growth & Recovery. Enhances Muscle Protein Synthesis via mTOR Pathway - 30 Servings.