Sorry, nothing was found. Please change your selection and try again.
Mass Gainer
(81 - 120 of 399 results)
Filters
Best Match
Best Match
Price: Low to high
Price: High to low
TREC Nutrition Gainer Mass XXL 4.8kg – Muscle Mass Gainer Powder with Whey Protein Concentrate, Carbs, and Vitamins for Rapid Weight Gain - Vanilla 5S-1GJG-NC3D
Fuel Your Muscle Growth: Achieve and maintain muscle mass with a premium blend of whey protein concentrate, carefully selected carbohydrates, and essential vitamins. Optimal Nutrient Balance: Enjoy the perfect 80% carbohydrate to 20% protein ratio, supporting effective muscle building and recovery during periods of increased physical activity. Vitamin Boost for Metabolism: Enriched with a vitamin complex, including vitamin B6, promoting proper metabolism of proteins and glycogen for enhanced workout results. Post-Training Powerhouse: Ideal for post-workout nutrition, MASS XXL complements your exercise routine, delivering a smooth, easily digestible blend to support muscle regeneration and adaptation. Recommended for Active Lifestyles: Tailored for athletes and fitness enthusiasts seeking rapid weight gain, MASS XXL is your go-to solution for a high-calorie, muscle-building diet.
£51.99
Shipping: Free
Amazon Marketplace - Vitamin-Go
Dymatize Super Mass Gainer Gourmet Vanilla 2943g - Weight-Gainer Powder + Carbohydrates, BCAAs and Casein, White OPC-PB95CG9-NEW
Dymatize Super Mass Gainer Gourmet Vanilla 2943g - Weight-Gainer Powder + Carbohydrates, BCAAs and Casein, White
£62.49
Shipping: Free
OnBuy
Dymatize Super Mass Gainer Bar Vanilla Caramel Fudge - High Protein Weight-Gainer Bar + Whey and Casein Protein B01MCZG7OD
MASS GAINER BARS are a real taste experience – the mass gainer bars contain 27 g of protein and 28 g of carbohydrates per bar, depending on the flavour, and are both extremely tasty and unbelievably soft in texture ESPECIALLY FOR HARDGAINERS and athletes, these protein bars contain BCAAs and are a great way to maintain your protein intake on the go, as protein contributes to muscle mass growth ESPECIALLY DURING BULKING, protein bars are a proven way to snack on protein quickly and easily and reach a calorie surplus TOP QUALITY, a recipe optimised especially for hardgainers and the best ingredients are all hallmarks of our Mass Gainer bars – so you can get the best out of yourself and your body AFTER TRAINING, the protein bars are a perfect source of protein, which makes them great for even more sustainable muscle growth – but also as a tasty protein snack on the go
£25.99
Shipping: Free
Amazon
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | 6800g OPC-PHSQQFR-NEW
Features HARDCORE MASS-BUILDING CALORIES - Delivers an incredible 1,100 nutrient-dense calories per serving to support fast muscle growth and...
£100.00
Shipping: £28.00
OnBuy
Dymatize Super Mass Gainer Cookies & Cream 2943g - Weight-Gainer Powder + Carbohydrates, BCAAs and Casein B09PL8N1TW
OUR MASSIVE COMBINATION of creatine, carbohydrates, BCAAs and proteins provides valuable nutrients to meet the particular needs of your bulking phase DEVELOPED SPECIALLY FOR BODYBUILDERS, hardgainers and powerlifters and their specific needs, Protein Weight Gainer provides appropriate calories and nutrients, especially in the bulking phase EVERY SERVING of Super Mass Gainer provides up to 243 g of carbohydrates, 52 g of protein, 11–12 g of BCAAs and 3 g of fine Creapure creatine, as well as five vitamins to help reduce tiredness ACCORDING TO INFORMED CHOICE, every substance in the Mass Gainer powder is of the highest standard, so athletes can rest easy knowing their product is top quality, especially during competitions FOR BEST RESULTS when bulking, mix one serving in 700 ml of water every day after training. The mass gainer protein shake is gluten free and suitable for vegetarians
£49.99
Shipping: Free
Amazon
Dymatize Super Mass Gainer Bar Deluxe Chocolate - High Protein Weight-Gainer Bar + Whey and Casein Protein B01M7VGU56
MASS GAINER BARS are a real taste experience – the mass gainer bars contain 27 g of protein and 28 g of carbohydrates per bar, depending on the flavour, and are both extremely tasty and unbelievably soft in texture ESPECIALLY FOR HARDGAINERS and athletes, these protein bars contain BCAAs and are a great way to maintain your protein intake on the go, as protein contributes to muscle mass growth ESPECIALLY DURING BULKING, protein bars are a proven way to snack on protein quickly and easily and reach a calorie surplus TOP QUALITY, a recipe optimised especially for hardgainers and the best ingredients are all hallmarks of our Mass Gainer bars – so you can get the best out of yourself and your body AFTER TRAINING, the protein bars are a perfect source of protein, which makes them great for even more sustainable muscle growth – but also as a tasty protein snack on the go
£26.53
Shipping: Free
Amazon
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | 6800g OPC-PVQFWXC-NEW
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake |...
£89.69
Shipping: Free
OnBuy
BSN True Mass 1200, Mass Gainer Protein Powder with Whey Isolate and Carbohydrates, Weight and Muscle Gain and Post Workout Recovery, Strawberry OPC-PHSQQMB-NEW
Features BSN True Mass 1200 protein mass gainer is designed for professional athletes and sports lovers looking for high quality bodybuilding...
£58.00
Shipping: Free
OnBuy
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | 6800g | Strawberry Banana FID45658
HARDCORE MASS-BUILDING CALORIES – Delivers an incredible 1,100 nutrient-dense calories per serving to support fast muscle growth and strength gains. ADVANCED PROTEIN FORMULA – Includes whey protein isolate, hydrolyzed whey, micellar casein, and milk protein concentrate to power recovery and build lean mass. ELITE WHOLE-FOOD CARB SOURCES – Packed with complex carbohydrates from sweet potato, rolled oats, and waxy maize starch to provide clean, long-lasting energy. AMINO ACID & RECOVERY SUPPORT – Features 36g of essential amino acids (EAAs), including 10.4g Glutamine and 12.2g BCAAs, for muscle repair and growth. ENGINEERED FOR EXTREME RESULTS – Designed for athletes looking to smash plateaus, this gainer provides quality macros without unnecessary fillers.
£60.69
Shipping: Free
Amazon Marketplace - MyFit24
1kg Warrior 100% Whey Protein Powder Muscle Mass Gainer Shake Double Chocolate OPC-PDRM5P2-NEW
DESCRIPTION: RICHNUTRIENTS:...
£150.00
Shipping: Free
OnBuy
Weider Mega Mass 4000 (4kg) Chocolate Flavour, Mass Gainer with High Content of Complex Carbohydrate Blend, for Energy and Muscle Mass B0762XPSM1
Optimum mixture of nutrients for muscle growth Energy and high quality proteins Provide the energy your muscles need to grow Made of corn maltodextrin, whole grain oatmeal, native wheat and potato starch
£69.83
Shipping: Free
Amazon
BSN True Mass 1200, Mass Gainer Protein Powder with Whey Isolate and Carbohydrates, Weight and Muscle Gain and Post Workout Recovery, Chocolate OPC-PHSQQMC-NEW
Features BSN True Mass 1200 protein mass gainer is designed for professional athletes and sports lovers looking for high quality bodybuilding...
£60.00
Shipping: £28.00
OnBuy
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | 6800g OPC-PVSSTP9-NEW
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake |...
£89.69
Shipping: Free
OnBuy
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | 6800g OPC-PMDG5XY-NEW
Features HARDCORE MASS-BUILDING CALORIES - Delivers an incredible 1,100 nutrient-dense calories per serving to support fast muscle growth and...
£100.00
Shipping: £60.00
OnBuy
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | 6800g | Vanilla Ice Cream FID45656
HARDCORE MASS-BUILDING CALORIES – Delivers an incredible 1,100 nutrient-dense calories per serving to support fast muscle growth and strength gains. ADVANCED PROTEIN FORMULA – Includes whey protein isolate, hydrolyzed whey, micellar casein, and milk protein concentrate to power recovery and build lean mass. ELITE WHOLE-FOOD CARB SOURCES – Packed with complex carbohydrates from sweet potato, rolled oats, and waxy maize starch to provide clean, long-lasting energy. AMINO ACID & RECOVERY SUPPORT – Features 36g of essential amino acids (EAAs), including 10.4g Glutamine and 12.2g BCAAs, for muscle repair and growth. ENGINEERED FOR EXTREME RESULTS – Designed for athletes looking to smash plateaus, this gainer provides quality macros without unnecessary fillers.
£60.69
Shipping: Free
Amazon Marketplace - MyFit24
1kg Warrior 100% Whey Protein Powder Muscle Mass Gainer Shake Salted Caramel OPC-PDRM5P5-NEW
DESCRIPTION: RICHNUTRIENTS:...
£35.99
Shipping: Free
OnBuy
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | 6800g | Chocolate Fudge Brownie FID45661
HARDCORE MASS-BUILDING CALORIES – Delivers an incredible 1,100 nutrient-dense calories per serving to support fast muscle growth and strength gains. ADVANCED PROTEIN FORMULA – Includes whey protein isolate, hydrolyzed whey, micellar casein, and milk protein concentrate to power recovery and build lean mass. ELITE WHOLE-FOOD CARB SOURCES – Packed with complex carbohydrates from sweet potato, rolled oats, and waxy maize starch to provide clean, long-lasting energy. AMINO ACID & RECOVERY SUPPORT – Features 36g of essential amino acids (EAAs), including 10.4g Glutamine and 12.2g BCAAs, for muscle repair and growth. ENGINEERED FOR EXTREME RESULTS – Designed for athletes looking to smash plateaus, this gainer provides quality macros without unnecessary fillers.
£60.69
Shipping: Free
Amazon Marketplace - MyFit24
BSN True Mass 1200, Mass Gainer Protein Powder with Whey Isolate and Carbohydrates, Weight and Muscle Gain and Post Workout Recovery, Vanilla Ice OPC-PHSQQMD-NEW
Features BSN True Mass 1200 protein mass gainer is designed for professional athletes and sports lovers looking for high quality bodybuilding...
£60.00
Shipping: £28.00
OnBuy
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 (Pineapple) 46675
HIGH CALORIE MASS GAINER – Each serving delivers 400 kcal, combining 30g beef protein isolate with 70g fast-digesting carbohydrates to support muscle growth and recovery. DAIRY-FREE & EASY TO DIGEST – Ideal for those avoiding dairy or heavy whey-based gainers, offering a lighter, more comfortable alternative for daily calorie intake. LEAN MASS SUPPORT – Designed for hard gainers and active individuals looking to increase calorie and protein intake without excessive fats or sugars. FAST-MIXING & REFRESHING FLAVOURS – Mixes easily with water for a smooth shake, available in 6 refreshing fruit flavours with no creamy texture. CONVENIENT DAILY SUPPLEMENT – Perfect post-workout or between meals to help meet protein and calorie targets throughout the day.
£52.99
Shipping: Free
Amazon Marketplace - Supplement Offers
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 (Cola) 46673
HIGH CALORIE MASS GAINER – Each serving delivers 400 kcal, combining 30g beef protein isolate with 70g fast-digesting carbohydrates to support muscle growth and recovery. DAIRY-FREE & EASY TO DIGEST – Ideal for those avoiding dairy or heavy whey-based gainers, offering a lighter, more comfortable alternative for daily calorie intake. LEAN MASS SUPPORT – Designed for hard gainers and active individuals looking to increase calorie and protein intake without excessive fats or sugars. FAST-MIXING & REFRESHING FLAVOURS – Mixes easily with water for a smooth shake, available in 6 refreshing fruit flavours with no creamy texture. CONVENIENT DAILY SUPPLEMENT – Perfect post-workout or between meals to help meet protein and calorie targets throughout the day.
£52.99
Shipping: Free
Amazon Marketplace - Supplement Offers
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine Monohydrate and Glutamine, Banana, 8 Servings, 2.73kg, OPC-PHFTSSD-NEW
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine Monohydrate and Glutamine, Banana, 8 Servings, 2.73kg,
£66.00
Shipping: Free
OnBuy
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed OPC-PVSSHXK-NEW
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before...
£54.40
Shipping: Free
OnBuy
BAD ASS Mass 3kg Mass Gainer Snickers Style Weight Gain Bulk Whey Carb Shake - UK Stock Fast Delivery OPC-PWJM2FQ-NEW
#vitamingo-onbuy{ /* ---- BRAND COLOURS: change these two to recolour everything ---- */ --vg-green:#0f6b46; --vg-mango:#ff9f1c; /*...
£57.71
Shipping: Free
OnBuy
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) 46674
HIGH CALORIE MASS GAINER – Each serving delivers 400 kcal, combining 30g beef protein isolate with 70g fast-digesting carbohydrates to support muscle growth and recovery. DAIRY-FREE & EASY TO DIGEST – Ideal for those avoiding dairy or heavy whey-based gainers, offering a lighter, more comfortable alternative for daily calorie intake. LEAN MASS SUPPORT – Designed for hard gainers and active individuals looking to increase calorie and protein intake without excessive fats or sugars. FAST-MIXING & REFRESHING FLAVOURS – Mixes easily with water for a smooth shake, available in 6 refreshing fruit flavours with no creamy texture. CONVENIENT DAILY SUPPLEMENT – Perfect post-workout or between meals to help meet protein and calorie targets throughout the day.
£52.99
Shipping: Free
Amazon Marketplace - Supplement Offers
The Bulk Protein Company, SERIOUS GAINZ - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Vanilla, 5kg) B01AEWOIBA
HIGH-CALORIE MASS GAIN FORMULA WITH ~27G PROTEIN PER SERVING – SERIOUS GAINZ by The Bulk Protein Company delivers approximately 460 calories, 27g protein and 74g carbs per serving, helping support a consistent calorie surplus. Designed for hardgainers and anyone looking to increase size and strength, it supports muscle recovery, training performance and steady weight gain when combined with a structured nutrition plan. SUPPORTS MUSCLE GROWTH & POST-WORKOUT RECOVERY – Each serving provides a balanced blend of protein and carbohydrates to replenish energy after training and support lean muscle growth. The combination of soy protein, whey isolate, casein and oat flour delivers both fast and sustained amino acid release, helping refuel muscles, restore glycogen levels and maintain a high daily protein intake. MIXES BEST WITH MILK FOR A SMOOTHER, MORE ENJOYABLE SHAKE – As a bulking protein powder, SERIOUS GAINZ can be prepared with water or milk, though many users prefer milk for a smoother, richer and more consistent texture. Adding liquid first, shaking thoroughly or using a blender helps reduce clumps and creates a creamier shake that’s easier to drink during heavy bulking phases. SMOOTH, SWEET FLAVOUR EXPERIENCE YOU CAN ENJOY DAILY – This mass gainer delivers a rich, dessert-style taste that makes each shake enjoyable as part of your daily bulking routine. Available in flavours such as Chocolate, Cookies & Cream, Vanilla, Strawberry and Banana, it suits both classic and indulgent preferences. FILLING FORMULA DESIGNED TO SUPPORT A DAILY CALORIE SURPLUS – This mass gainer delivers a dense, satisfying shake that helps maintain daily calorie targets during bulking phases, supporting consistent nutrition intake.
£33.99
Shipping: Free
Amazon
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed OPC-PVKFZB8-NEW
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before...
£56.57
Shipping: £3.99
OnBuy
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed OPC-PVQFJX2-NEW
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before...
£54.40
Shipping: Free
OnBuy
Kevin Levrone Anabolic Mass 7kg - 30g Protein, 70 Servings - High-Calorie Mass Gainer for Size & Recovery | Chocolate & Cookies Cream OPC-PWMZ9HS-NEW
#vitamingo-onbuy{ /* ---- BRAND COLOURS: change these two to recolour everything ---- */ --vg-green:#0f6b46; --vg-mango:#ff9f1c; /*...
£95.41
Shipping: Free
OnBuy
The Bulk Protein Company, SERIOUS Gainz - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Birthday Cake, 5kg) OPC-PTKMYMP-NEW
HIGH-CALORIE MASS GAIN FORMULA WITH ~27G PROTEIN PER SERVING - SERIOUS GAINZ by The Bulk Protein Company delivers approximately 460 calories, 27g...
£37.49
Shipping: Free
OnBuy
The Bulk Protein Company, SERIOUS Gainz - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Cookie & Cream, 5kg) B08ZJSPXCQ
HIGH-CALORIE MASS GAIN FORMULA WITH ~27G PROTEIN PER SERVING – SERIOUS GAINZ by The Bulk Protein Company delivers approximately 460 calories, 27g protein and 74g carbs per serving, helping support a consistent calorie surplus. Designed for hardgainers and anyone looking to increase size and strength, it supports muscle recovery, training performance and steady weight gain when combined with a structured nutrition plan. SUPPORTS MUSCLE GROWTH & POST-WORKOUT RECOVERY – Each serving provides a balanced blend of protein and carbohydrates to replenish energy after training and support lean muscle growth. The combination of soy protein, whey isolate, casein and oat flour delivers both fast and sustained amino acid release, helping refuel muscles, restore glycogen levels and maintain a high daily protein intake. MIXES BEST WITH MILK FOR A SMOOTHER, MORE ENJOYABLE SHAKE – As a bulking protein powder, SERIOUS GAINZ can be prepared with water or milk, though many users prefer milk for a smoother, richer and more consistent texture. Adding liquid first, shaking thoroughly or using a blender helps reduce clumps and creates a creamier shake that’s easier to drink during heavy bulking phases. SMOOTH, SWEET FLAVOUR EXPERIENCE YOU CAN ENJOY DAILY – This mass gainer delivers a rich, dessert-style taste that makes each shake enjoyable as part of your daily bulking routine. Available in flavours such as Chocolate, Cookies & Cream, Vanilla, Strawberry and Banana, it suits both classic and indulgent preferences. FILLING FORMULA DESIGNED TO SUPPORT A DAILY CALORIE SURPLUS – This mass gainer delivers a dense, satisfying shake that helps maintain daily calorie targets during bulking phases, supporting consistent nutrition intake.
£33.99
Shipping: Free
Amazon
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed OPC-PTKMX7P-NEW
Engineered for Gains: This seamless protein shake mix is specifically formulated to accelerate muscle and weight gains and improve post-workout...
£84.45
Shipping: Free
OnBuy
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed OPC-PVM7SWN-NEW
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before...
£58.75
Shipping: Free
OnBuy
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 4 Servings, 1.34 kg, Packaging May Vary B0FFTB889F
Low fat mass gainer with over 1260 CALORIES and 50g of PROTEIN per serving to support muscle growth* plus 3 grams of CREATINE MONOHYDRATE to support performance** No added sugar protein powder formula with 25 vitamins and minerals and less than 5g fat per serving, plus over 250 grams of CARBOHYDRATES helping support muscle recovery*** Serious Mass protein powder 4 Serve comes in 2 flavours (chocolate and vanilla) & contains sweetener. To prepare weight gainer mix 2 scoops with 710 ml of water or plant milk, add fruit or nut butters for a tasty and calorific post workout or between meals protein smoothie Source EFSA Journal *2010;8(10):1811; 2011;9(6):2203; ** 2011;9(7):2303; ***2011; 9(7):2303
£21.12
Shipping: Free
Amazon
Sunukerr (Salted Caramel) Serious Shredz Diet Whey Protein Powder Shake Fat Loss & Lean Mass Gainer - 4Kg OPC-PD7X5XY-NEW
eBay Serious Shredz - 4kg (133 Servings) ***The Ultimate Diet Protein Powder for Fuelling Lean Muscle & Fat Loss*** Key Facts: 21g Of...
£50.30
Shipping: Free
OnBuy
The Bulk Protein Company, SERIOUS Gainz - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Red Velvet Cake, 5kg) B01NCULJIL
HIGH-CALORIE MASS GAIN FORMULA WITH ~27G PROTEIN PER SERVING – SERIOUS GAINZ by The Bulk Protein Company delivers approximately 460 calories, 27g protein and 74g carbs per serving, helping support a consistent calorie surplus. Designed for hardgainers and anyone looking to increase size and strength, it supports muscle recovery, training performance and steady weight gain when combined with a structured nutrition plan. SUPPORTS MUSCLE GROWTH & POST-WORKOUT RECOVERY – Each serving provides a balanced blend of protein and carbohydrates to replenish energy after training and support lean muscle growth. The combination of soy protein, whey isolate, casein and oat flour delivers both fast and sustained amino acid release, helping refuel muscles, restore glycogen levels and maintain a high daily protein intake. MIXES BEST WITH MILK FOR A SMOOTHER, MORE ENJOYABLE SHAKE – As a bulking protein powder, SERIOUS GAINZ can be prepared with water or milk, though many users prefer milk for a smoother, richer and more consistent texture. Adding liquid first, shaking thoroughly or using a blender helps reduce clumps and creates a creamier shake that’s easier to drink during heavy bulking phases. SMOOTH, SWEET FLAVOUR EXPERIENCE YOU CAN ENJOY DAILY – This mass gainer delivers a rich, dessert-style taste that makes each shake enjoyable as part of your daily bulking routine. Available in flavours such as Chocolate, Cookies & Cream, Vanilla, Strawberry and Banana, it suits both classic and indulgent preferences. FILLING FORMULA DESIGNED TO SUPPORT A DAILY CALORIE SURPLUS – This mass gainer delivers a dense, satisfying shake that helps maintain daily calorie targets during bulking phases, supporting consistent nutrition intake.
£39.99
Shipping: Free
Amazon
The Bulk Protein Company, SERIOUS GAINZ - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Chocolate, 5kg) B07CGHS11Z
HIGH-CALORIE MASS GAIN FORMULA WITH ~27G PROTEIN PER SERVING – SERIOUS GAINZ by The Bulk Protein Company delivers approximately 460 calories, 27g protein and 74g carbs per serving, helping support a consistent calorie surplus. Designed for hardgainers and anyone looking to increase size and strength, it supports muscle recovery, training performance and steady weight gain when combined with a structured nutrition plan. SUPPORTS MUSCLE GROWTH & POST-WORKOUT RECOVERY – Each serving provides a balanced blend of protein and carbohydrates to replenish energy after training and support lean muscle growth. The combination of soy protein, whey isolate, casein and oat flour delivers both fast and sustained amino acid release, helping refuel muscles, restore glycogen levels and maintain a high daily protein intake. MIXES BEST WITH MILK FOR A SMOOTHER, MORE ENJOYABLE SHAKE – As a bulking protein powder, SERIOUS GAINZ can be prepared with water or milk, though many users prefer milk for a smoother, richer and more consistent texture. Adding liquid first, shaking thoroughly or using a blender helps reduce clumps and creates a creamier shake that’s easier to drink during heavy bulking phases. SMOOTH, SWEET FLAVOUR EXPERIENCE YOU CAN ENJOY DAILY – This mass gainer delivers a rich, dessert-style taste that makes each shake enjoyable as part of your daily bulking routine. Available in flavours such as Chocolate, Cookies & Cream, Vanilla, Strawberry and Banana, it suits both classic and indulgent preferences. FILLING FORMULA DESIGNED TO SUPPORT A DAILY CALORIE SURPLUS – This mass gainer delivers a dense, satisfying shake that helps maintain daily calorie targets during bulking phases, supporting consistent nutrition intake.
£39.99
Shipping: Free
Amazon
The Bulk Protein Company, SERIOUS GAINZ - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (White Chocolate, 5kg) OPC-PHFTT5H-NEW
The Bulk Protein Company, SERIOUS GAINZ - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (White Chocolate, 5kg) Product...
£58.00
Shipping: Free
OnBuy
The Bulk Protein Company, SERIOUS Gainz - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Cookie & Cream, 5kg) OPC-PTB9CMK-NEW
HIGH-CALORIE MASS GAIN FORMULA WITH ~27G PROTEIN PER SERVING - SERIOUS GAINZ by The Bulk Protein Company delivers approximately 460 calories, 27g...
£42.49
Shipping: Free
OnBuy
The Bulk Protein Company, SERIOUS GAINZ - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Strawberry, 5kg) B01K511Y58
HIGH-CALORIE MASS GAIN FORMULA WITH ~27G PROTEIN PER SERVING – SERIOUS GAINZ by The Bulk Protein Company delivers approximately 460 calories, 27g protein and 74g carbs per serving, helping support a consistent calorie surplus. Designed for hardgainers and anyone looking to increase size and strength, it supports muscle recovery, training performance and steady weight gain when combined with a structured nutrition plan. SUPPORTS MUSCLE GROWTH & POST-WORKOUT RECOVERY – Each serving provides a balanced blend of protein and carbohydrates to replenish energy after training and support lean muscle growth. The combination of soy protein, whey isolate, casein and oat flour delivers both fast and sustained amino acid release, helping refuel muscles, restore glycogen levels and maintain a high daily protein intake. MIXES BEST WITH MILK FOR A SMOOTHER, MORE ENJOYABLE SHAKE – As a bulking protein powder, SERIOUS GAINZ can be prepared with water or milk, though many users prefer milk for a smoother, richer and more consistent texture. Adding liquid first, shaking thoroughly or using a blender helps reduce clumps and creates a creamier shake that’s easier to drink during heavy bulking phases. SMOOTH, SWEET FLAVOUR EXPERIENCE YOU CAN ENJOY DAILY – This mass gainer delivers a rich, dessert-style taste that makes each shake enjoyable as part of your daily bulking routine. Available in flavours such as Chocolate, Cookies & Cream, Vanilla, Strawberry and Banana, it suits both classic and indulgent preferences. FILLING FORMULA DESIGNED TO SUPPORT A DAILY CALORIE SURPLUS – This mass gainer delivers a dense, satisfying shake that helps maintain daily calorie targets during bulking phases, supporting consistent nutrition intake.
£39.99
Shipping: Free
Amazon
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine Monohydrate and Glutamine, Vanilla, 4 Servings, 1.34kg, Packaging May Vary B0FFTB3SGJ
Low fat mass gainer with over 1250 CALORIES and 50g of PROTEIN per serving to support muscle growth* plus 3 grams of CREATINE MONOHYDRATE to support performance** No added sugar protein powder formula with 25 vitamins and minerals and less than 5g fat per serving, plus over 250 grams of CARBOHYDRATES helping support muscle recovery*** Serious Mass protein powder 4 Serve comes in 2 flavours (chocolate and vanilla) & contains sweetener. To prepare weight gainer mix 2 scoops with 710 ml of water or plant milk, add fruit or nut butters for a tasty and calorific post workout or between meals protein smoothie Source EFSA Journal *2010;8(10):1811; 2011;9(6):2203; ** 2011;9(7):2303; ***2011; 9(7):2303
£25.00
Shipping: Free
Amazon
Refine Search
Filters
Clear All
Category
✓Price
✓Brand
0Seller
0