10 Best Protein Bars Bulk Cheap in The UK

Last updated on 05/07/2025
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1
9.8
Exceptional
Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 1 kg, Packaging May Vary
Bulk
Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 1 kg, Packaging May Vary
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Why We Love It
  • High-protein formula for training.
  • Low in sugar and fat.
  • Available in delicious flavours.
Main Highlights
  • Level up your training with Pure Whey Isolate, an advanced high-protein formula
  • Powered by at least 24 g protein and 5 g naturally occurring BCAA (branched chain amino acids) per serving
  • An extra level of filtration produces an advanced formula that's low in sugar and fat
  • A premium form of protein to help manage the macros and get those gains
  • Available in a range of delicious flavours, this is your perfect training partner
9.8
Exceptional
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Best Value
2
9.7
Exceptional
Clif Bars - Energy Bar / Nutritional Protein Bar - Blueberry Almond Crisp - Plant Based Protein - 12 x 68 g
CLIF Bar
Clif Bars - Energy Bar / Nutritional Protein Bar - Blueberry Almond Crisp - Plant Based Protein - 12 x 68 g
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Why We Love It
  • Tastes like fresh-baked muffin.
  • Energizes with plant-based protein.
  • Variety of delicious flavours.
Main Highlights
  • BLUEBERRY ALMOND CRISP: The satisfying flavour of our Blueberry Almond Crisp energy bar tastes like a muffin straight from the oven, with wholesome and nutritious plant-based ingredients, for your workout or active adventures
  • THE ULTIMATE ENERGY BAR: CLIF BAR energy bars are purposely crafted with a blend of plant-based protein, fat, fibre and carbohydrates to energize your next adventure; Phosphorous contributes to normal energy-yielding metabolism
  • PLANT-BASED: The bars are crafted with 9-11 g of plant-based protein and made with delicious, real ingredients—like delectable chocolate and rolled oats—making them a great option when looking to energize a workout
  • DELICIOUS: Satisfy your taste-buds with our unique crispy, crunchy texture and variety of flavours like Chocolate Chip, White Chocolate Macadamia Nut, or Crunchy Peanut Butter, discover your favourite today
9.7
Exceptional
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3
9.6
Superb
Reflex High Protein Bars – Twin 21g Protein Bars Low Calorie, Low Sugar, High Fibre, Vegetarian – Chocolate Protein Snacks – Great Taste & Texture (Chocolate Toffee Crispy, 12x60g )
Reflex
Reflex High Protein Bars – Twin 21g Protein Bars Low Calorie, Low Sugar, High Fibre, Vegetarian – Chocolate Protein Snacks – Great Taste & Texture (Chocolate Toffee Crispy, 12x60g )
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Why We Love It
  • High protein for muscle recovery.
  • Delicious snacks for flexible portioning.
  • Satisfying taste without extra sugar.
Main Highlights
  • High Protein, Low Sugar Protein Bars: each Reflex Twin Bar delivers 21g of complete protein from milk and soy isolates – helping to support muscle growth and recovery with just 185 kcal and 1.6g sugar per 60g bar for clean, lean fuel
  • Delicious Twin Format Design: two soft-centred, crispy chunks per pack – perfect high protein snacks for flexible snacking and portion control – enjoy both pieces or save one for later without compromising on freshness or flavour
  • A Satisfying Treat with Functional Benefits: with indulgent flavour options (Salted Caramel Crunch and Chocolate Toffee Crispy) Reflex protein chocolate bars offer a nougat-soft centre with crispy pieces and rich chocolate coating
  • Refuel Without Compromise: Reflex Twin Bars are made for busy, active lifestyles – enjoy on-the-go after the gym, between meals, or whenever you need a protein top-up without the extra sugar, calories or artificial fillers
  • High Fibre, Vegetarian Protein Bars, HFSS Compliant: made using only high-quality milk and soy protein isolates (no collagen or gelatine) - Reflex vegetarian, gluten free protein bars are a smart, feel-good high protein food snacking choice
9.6
Superb
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4
9.4
Superb
Save 29%
Grenade High Protein, Low Sugar Bar - Chocolate Chip Cookie Dough, 12 x 60 g (Packaging May Vary)
Grenade
Grenade High Protein, Low Sugar Bar - Chocolate Chip Cookie Dough, 12 x 60 g (Packaging May Vary)
29% Off
Why We Love It
  • High protein, low sugar content.
  • Indulgent layered flavor experience.
  • Certified for athlete consumption.
Main Highlights
  • HIGH PROTEIN: Packed with protein, with over 21 g per bar
  • LOW SUGAR: Low in sugar, with just 1.5 g per bar
  • GUILT FREE TREAT: Each triple-layered bar consists of protein nougat, topped with caramel and coated in milk chocolate and chocolate chips
  • INDULGENT ON THE GO SNACK: This indulgent low sugar snack is perfect for enjoying at any time of the day as a delicious snack or a post workout treat
  • INFORMED SPORT CERTIFIED: Certified with the Informed Sport Programme and therefore suitable for use by drug tested athletes and military personnel
  • INGREDIENT CHANGE: Packaging and ingredients may vary
9.4
Superb
Save 29%
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5
9.3
Superb
Bulk Macro Munch Protein Bar | Cookies & Cream Flavour | 12 x 62g | 20g High Protein | Low Sugar | 6.7g Fibre | Soft-Baked Triple Layer | Healthy Snack Bar for Gym | Fitness | On-the-Go | Vegetarian
Bulk
Bulk Macro Munch Protein Bar | Cookies & Cream Flavour | 12 x 62g | 20g High Protein | Low Sugar | 6.7g Fibre | Soft-Baked Triple Layer | Healthy Snack Bar for Gym | Fitness | On-the-Go | Vegetarian
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Why We Love It
  • High protein for muscle growth.
  • Soft-baked with rich flavor.
  • Low sugar for guilt-free snacking.
Main Highlights
  • Our legendary protein bar gives you gains when you're on the go; High in protein which contributes to the growth of muscle mass
  • Powered by 20 g protein and 6.7 g fibre per bar
  • Our bar is soft-baked and triple-layered to create a rich, creamy taste
  • Low in sugar, it's perfect for snacking between meals
  • Available in a range of delicious flavours, this tasty treat is a step towards your protein goals
9.3
Superb
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6
9.1
Superb
Bulk Essential Whey Protein Powder | Vanilla | 21g Protein per Serving | 9g Essential Amino Acids (EAA) | Supports Muscle Growth | Smooth Mixing | Vegetarian | Natural Flavours | 1kg
Bulk
Bulk Essential Whey Protein Powder | Vanilla | 21g Protein per Serving | 9g Essential Amino Acids (EAA) | Supports Muscle Growth | Smooth Mixing | Vegetarian | Natural Flavours | 1kg
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Why We Love It
  • Satisfying with essential protein.
  • Silky smooth texture.
  • Perfect training partner.
Main Highlights
  • Provides 21g of protein per serving, including 9g of essential amino acids (EAA), supporting muscle growth and muscle maintenance.
  • A convenient source of high quality protein, ideal for supporting your daily nutrition goals.
  • A simple and reliable protein option, ideal for using throughout the day whether added to breakfast, blended into smoothies, or included in your favourite recipes.
  • Easily dissolves in water, milk, or shakes for a smooth and enjoyable protein experience, available in a range of popular flavours.
  • Perfect for pre- or post-workout supplementation or a convenient protein boost throughout the day, supporting an active and balanced lifestyle.
9.1
Superb
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7
9.0
Superb
Bulk Pure Whey Protein Powder Shake, Unflavoured, 1 kg, Packaging May Vary
Bulk
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
  • A first-class, award-winning protein shake for everyday training
  • Packed with at least 22 g protein and 5 g naturally occurring BCAA (branched chain amino acids) in each serving
  • Whey protein sourced from the milk of European, grass-fed cows
  • Low in sugar and low in fat, a winning protein shake for everyday training
  • Available in a range of delicious flavours, this is your perfect training partner
9.0
Superb
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8
8.9
Excellent
Save 38%
The Bulk Protein Company - Serious Gainz – Mass Gainer Protein Powder – Banana 5kg, B142-BA
The Bulk Protein Company
The Bulk Protein Company - Serious Gainz – Mass Gainer Protein Powder – Banana 5kg, B142-BA
38% 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
8.9
Excellent
Save 38%
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9
8.8
Excellent
Misfits Vegan Protein Bars - Updated Recipe | Low Sugar & Carb, High Fibre Snacks | Variety Pack of 12 (4 Flavours)
Misfits
Misfits Vegan Protein Bars - Updated Recipe | Low Sugar & Carb, High Fibre Snacks | Variety Pack of 12 (4 Flavours)
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Why We Love It
  • Indulgent yet healthy snack.
  • Plant-based protein packed.
  • Low sugar, high fibre.
Main Highlights
  • HEALTHIER CHOCOLATE SNACK: A chewy & fudgy centre, topped with a layer of indulgent caramel & coated with smooth vegan chocolate & high protein crispy pieces, for a satisfying crunch; ideal on-the-go or office snacks
  • 14-15 G PROTEIN PER BAR: Our plant-based bars pack 14-15 g of vegan protein per bar; we use a blend of pea & soy protein for a deliciously soft texture & taste
  • LOW SUGAR BARS: These vegan snacks are high in fibre, yet low in sugar, with less than 1 g of sugar per bar; a low carb bar with just 190 calories, for post-gym fuel or breakfast without the sugar crash
  • GUILT-FREE INDULGENCE: Our satisfying, triple-layered treats are an ideal chocolate snack with all the nutritional benefits of a protein bar & zero compromise on taste; great for chocolate lovers who want to cut back on dairy & sugar
  • VARIETY MULTIPACK: Each mixed box contains 12 of our most popular candy bars; 4 flavours (may vary), including Cookie Butter, Caramel Fudge, Brownie Batter & Peanut Butter Fudge
8.8
Excellent
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10
8.8
Excellent
PhD Nutrition Smart Protein Bar Low Calorie, Nutritional Protein Bars/Protein Snacks, High Protein Low Sugar, Chocolate Brownie Flavour, 20g of Protein, 64g Bar (12 Pack)
PhD
PhD Nutrition Smart Protein Bar Low Calorie, Nutritional Protein Bars/Protein Snacks, High Protein Low Sugar, Chocolate Brownie Flavour, 20g of Protein, 64g Bar (12 Pack)
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Why We Love It
  • Convenient, tasty, high-protein snack.
  • Guilt-free chocolate indulgence.
  • Aids weight loss seamlessly.
Main Highlights
  • Convenient and Tasty Protein Snack: PHD Smart Protein Bar is designed for on-the-go convenience. It features a soft whey protein core, caramel and protein crispies for a satisfying crunchy texture.
  • Guilt-Free Snacking: Each bar is topped with a smooth chocolate coating, ensuring guilt-free snacking while keeping your dietary macros in check. GMO-free and Palm Oil Free
  • Nutritional Bars: These bars deliver 20g of high-quality whey protein and less than 3g of sugar per serving, available in various flavors like Birthday Cake and White Chocolate Blondie.
  • Weight Loss Aid: Ideal for pre-workout snacking or post-workout recovery, these bars are designed to provide a protein boost when needed, aiding in weight loss through a calorie deficit.
  • Versatile and Suitable for All: Suitable for both men and women; Smart bars also serve as versatile toppings for homemade recipes, making them a great addition to a lean lifestyle.
8.8
Excellent
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