Best Bulk Powder Protein of 2025
Last updated on 21/09/2025
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1
Bulk Informed Whey Protein Isolate Powder, Protein Shake with Added Digestive Enzymes, Double Chocolate, 2.27 kg, Packaging May Vary
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Bulk Informed Whey Protein Isolate Powder, Protein Shake with Added Digestive Enzymes, Double Chocolate, 2.27 kg, Packaging May Vary
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Why we love it
- Highly suitable for elite athletes.
- Promotes improved digestive health.
- Delicious and beneficial protein intake.
Main Highlights
- A premium protein shake expertly formulated for high-performing athletes
- Powered by 24 g mTOR Protein Complex, 3 g leucine and 3 g glutamine peptides per serving
- Advanced formula with DigeZyme and LactoSpore to support digestion
- Expertly created for elite athletes, this formula is banned substance tested under the Informed Sport Programme
- Available in a range of delicious flavours, this is your perfect training partner
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Value for Money
2
SERIOUS PROTEIN – Protein Powder – 4kg – Low Carb – Supports Lean Muscle Growth – Recovery Supplement - The Bulk Protein Company - 133 Servings (Choc Peanut Butter)
The Bulk Protein Company
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The Bulk Protein Company
SERIOUS PROTEIN – Protein Powder – 4kg – Low Carb – Supports Lean Muscle Growth – Recovery Supplement - The Bulk Protein Company - 133 Servings (Choc Peanut Butter)
20% OffFree Shipping
Why we love it
- Supports daily protein needs.
- Ideal for lean mass.
- Tastes great, good value.
Main Highlights
- ✅ 24g PROTEIN PER SERVING TO BUILD LEAN MUSCLE - A convenient way to help meet your daily protein needs. Use after training to quickly heal micro-tears in muscle tissues, speed up recovery and reduce muscle soreness for STRONGER and BIGGER muscles over time.
- ✅ HIGH PROTEIN, LOW CALORIES, LOW CARBS - Only 114 Calories Per Serving! Serious Protein powder is 80% Protein with Low Carbs, Sugars, and Fats. Ideal for adding LEAN MASS! Perfect to use as a meal replacement or part of a calorie-controlled diet, while trying to lean out, or for those simply looking to support MUSCLE GAINS.
- ✅ HIGH QUALITY INGREDIENTS - Premium blend of Whey Protein Concentrate, Micellar Casein and Soy Protein Isolate, a combination of slow and fast releasing proteins for total protein synthesis throughout the day. Also contains GLUTAMINE PEPTIDE, essential for muscle recovery and more bioavailable than regular glutamine, helping aid MUSCLE GROWTH.
- ✅ PROTEIN SHAKE THAT TASTES GREAT - Add 1 rounded scoop (30g) to 250ml of cold water or skimmed milk and shake well to create a great tasting Protein Shake! Can also be enjoyed in smoothies, with oats or when added to a pancake mix. For best results consume 1 serving (30g) one to three times per day
- ✅ EXCELLENT VALUE - More than 6 weeks supply in one tub, when following our recommended servings. Comes with scoop for measurements.
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3
Bulk Aftermath, All in One Whey Protein Isolate Powder, Strawberries and Cream, 2.1 kg, Packaging May Vary
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Bulk Aftermath, All in One Whey Protein Isolate Powder, Strawberries and Cream, 2.1 kg, Packaging May Vary
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Why we love it
- 40g protein per serving.
- Banned substance tested.
- Available in delicious flavours.
Main Highlights
- An elite protein formula for high-performing athletes after an intense workout
- Powered by an incredible 40 g mTOR protein complex and 22 g Vitargo carbohydrate per serving
- Expertly created for elite athletes, this formula is banned substance tested under the Informed Sport Programme
- Packed with elite ingredients such as creatine monohydrate (Creapure), glutamine peptides and (HMB) beta-hydroxy-beta-methylbutyrate, it's ideal after a high-intensity session
- Available in a range of different flavours, this is your perfect training partner
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4
The Bulk Protein Company - Serious Gainz – Mass Gainer Protein Powder – Banana 5kg, B142-BA
The Bulk Protein Company
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The Bulk Protein Company
The Bulk Protein Company - Serious Gainz – Mass Gainer Protein Powder – Banana 5kg, B142-BA
6% OffFree Shipping
Why we love it
- Optimal for muscle recovery and growth.
- Promotes mass gain efficiently.
- Amazing taste with variety.
Main Highlights
- 30g PROTEIN PER SERVING TO HELP BUILD MUSCLE - Protein Isolate powder that contains 30 grams of high quality Protein per serving. A convenient and easy way to help you meet your daily protein needs. Use after training to quickly heal micro-tears in muscle tissues, which speeds up recovery, reduces muscle soreness and leads to stronger and bigger muscles over time
- PUT ON SIZE AND GAIN MASS - With 468 lean calories per serving, Serious Gainz protein powder is ideal when BULKING. Use as part of a balanced diet to help add body mass and increase weight gain. Contains 81g of carbohydrates which will help your body absorb the protein within, turning it into muscle mass to help towards improving your overall body composition
- PROTEIN SHAKE THAT TASTES GREAT - Add 3 scoops of powder to 400-500ml of water or milk and mix well to create a great tasting Protein Shake! Can also be enjoyed in smoothies, with oats or when added to a pancake mix. Protein powders don't have to be boring, so we made 10 different flavours for you to choose from
- HIGH QUALITY WHEY PROTEIN - Whey digests quickly and is rich in branched-chain amino acids (BCAAs). One of these BCAAs, Leucine, plays a major role in promoting muscle growth and recovery after resistance and endurance exercise. When amino acids are digested and absorbed into your bloodstream, they become available for muscle protein synthesis, which is the creation of new muscle
- EXCELLENT VALUE 5kg TUB WITH 40 SERVINGS - With up to a month's supply of high quality protein powder, we offer great value for your money compared with other brands. We recommend one serving per day to consistently meet your daily protein goal. Consume immediately post-training on workout days and between breakfast and lunch on non-workout days. Comes with scooper for measurements
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5
Bulk Complete Mass Gainer | Vanilla | 2.5kg | 45g Protein per Serving | 65g Carbohydrates | 500 kcal per Serving | High-Calorie Weight Gainer | Supports Muscle Growth & Maintenance | High Protein
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Bulk Complete Mass Gainer | Vanilla | 2.5kg | 45g Protein per Serving | 65g Carbohydrates | 500 kcal per Serving | High-Calorie Weight Gainer | Supports Muscle Growth & Maintenance | High Protein
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Why we love it
- Serious bulking support for trainers.
- Delicious flavors enhance your intake.
- High in protein promotes muscle growth.
Main Highlights
- High Protein for Optimal Muscle Gain: Each 135g serving delivers 45g of high-quality protein along with 65g of carbohydrates, providing essential macronutrients required to support muscle growth, weight gain, and sustained energy levels throughout the day.
- High-Calorie Formula to Support Bulking Goals: With 500 kcal per serving, this mass gainer is designed to help athletes, bodybuilders, and fitness enthusiasts meet their daily calorie requirements for effective bulking and muscle recovery.
- An easy and convenient option for those looking to increase their calorie and protein intake, whether enjoyed between meals or after training as part of your daily routine.
- Supports Muscle Growth The balanced blend of protein and carbohydrates aids in muscle repair and development after workouts, promoting muscle gain.
- Delicious Flavours with Easy Mixing for Convenience: Available in a variety of popular flavours, this mass gainer mixes smoothly with water or milk, offering a convenient and enjoyable way to increase your calorie and protein intake any time of day.
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Bulk Clear Whey Isolate | Pink Lemonade | 20g Protein per Serving | Low Sugar | Refreshing Fruity Flavours | 86 Calories | Fast Absorbing | Hydrating Protein Drink | 500g
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Bulk Clear Whey Isolate | Pink Lemonade | 20g Protein per Serving | Low Sugar | Refreshing Fruity Flavours | 86 Calories | Fast Absorbing | Hydrating Protein Drink | 500g
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Why we love it
- Refreshing alternative to creamy shakes.
- Rapid absorption from hydrolysed protein.
- Perfect, low-sugar training partner.
Main Highlights
- Provides 20g of fast-absorbing whey protein isolate per serving, delivering essential amino acids to support muscle growth, repair, and lean muscle maintenance.
- Crafted with low sugar content and just 86 calories per serving, making it ideal for those following calorie-controlled or balanced nutrition plans.
- Available in a range of naturally inspired fruity flavours that provide a refreshing and enjoyable alternative to traditional protein shakes.
- Formulated to mix quickly and smoothly with water, this hydrating protein drink is perfect for on-the-go nutrition and supports post-workout hydration needs.
- Perfect for pre- or post-workout supplementation or as a convenient protein boost throughout the day, helping you stay on track with your fitness and wellness goals.
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7
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Vanilla, 8 Servings, 2.73 kg, Packaging May Vary
Optimum Nutrition
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Optimum Nutrition
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Vanilla, 8 Servings, 2.73 kg, Packaging May Vary
11% OffFree Shipping
Why we love it
- Boosts muscle growth and performance.
- Supports muscle recovery effectively.
- Delicious variety of flavours.
Main Highlights
- CALORIE RICH PROTEIN SOURCE – the ultimate gainer powder which can be used post-workout or between meals
- SUPPORTS SERIOUS SIZE – great for those aspiring to be bigger, for those who find it hard to gain weight / muscle, or for those on the go who have high caloric needs due to intense training
- 1,255-1272 CALORIES per serving – when mixed with water
- 50 g – 53 g PROTEIN per serving
- 250 g+ CARBOHYDRATES per serving
- ADDED CREATINE, L-GLUTAMINE & GLUTAMIC ACID
- INSTANTISED POWDER – helps the powder dissolve easily and mixes well in a blender with other ingredients such as fruit and nut butters for added calories
- 24 VITAMINS & MINERALS per serving
- NO ADDED SUGAR
- AVAILABLE IN 6 LB TUBS OR 12 LB BAGS
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8
Bulk Pure Whey Protein Powder Shake, Unflavoured, 1 kg, Packaging May Vary
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Bulk Pure Whey Protein Powder Shake, Unflavoured, 1 kg, Packaging May Vary
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Why we love it
- Award-winning protein shake for training.
- Packed with nutrients and protein.
- Low-fat, low-sugar delicious flavours.
Main Highlights
- Delivers 22g or 23g of high-quality protein per serving (depending on flavour), sourced from premium whey protein concentrate to support your daily nutrition and fitness goals.
- A complete protein source containing all essential amino acids, including 5g of naturally occurring BCAAs per scoop. Ideal for muscle maintenance.
- Designed to mix easily with water or milk, creating a smooth and enjoyable shake. Low in sugar making it suitable for various nutrition plans.
- Available in over 20 delicious flavours and multiple pack sizes including 500g, 1kg, 2.5kg and 5kg, making it easy to find the right option to match your taste and usage needs.
- Manufactured to high quality standards and suitable for vegetarian diets. A reliable protein source for athletes, gym-goers, or anyone looking to boost their protein intake.
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9
Bulk Essential Whey Protein Powder | Vanilla | 21g Protein per Serving | 9g Essential Amino Acids (EAA) | Supports Muscle Growth | Smooth Mixing | Vegetarian | Natural Flavours | 500g
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Bulk Essential Whey Protein Powder | Vanilla | 21g Protein per Serving | 9g Essential Amino Acids (EAA) | Supports Muscle Growth | Smooth Mixing | Vegetarian | Natural Flavours | 500g
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Why we love it
- Silky smooth texture.
- Supports everyday training.
- Delicious range of flavors.
Main Highlights
- All the essentials you need in a seriously satisfying protein shake
- Packed with at least 19 g protein and 9 g essential amino acids per serving
- Made with sunflower lecithin for a silky smooth texture
- A reliable all-rounder, designed to support everyday training
- Available in a range of delicious flavours, this is your perfect training partner
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10
Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 500 g, Packaging May Vary
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Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 500 g, Packaging May Vary
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Why we love it
- Premium form aids macro management.
- Low in sugar and fat.
- Supports gains with high protein.
Main Highlights
- Each serving provides 24–26g of ultra-filtered whey protein isolate, delivering a high-quality source of protein to support muscle growth, repair, and lean muscle maintenance.
- Formulated with minimal sugars and carbohydrates, this whey isolate is ideal for those following low-carb or high-protein diets, helping you fuel your body efficiently without unnecessary additives.
- This protein powder is suitable for vegetarian diets, providing a clean, pure protein source to fit your lifestyle.
- Designed to dissolve quickly and smoothly in water or milk, available in a range of delicious flavours that make it easy and enjoyable to meet your daily protein needs.
- Whether it’s pre-workout, post-workout, or a convenient protein boost during the day, Bulk Pure Whey Isolate 90 supports your nutrition goals and active lifestyle.
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