10 Best Meal Replacement Bar in The UK

Last updated on 08/08/2025

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LighterLife Meal Replacement Bar Mutipack 12 x 60g | 4 Flavours | Complete Nutrition Bar for Weight Loss & Weight Management, High Protein, High Fibre, With up to 33% of RDA Vitamins & Minerals

Why We Love It

Delicious variety of flavors.
Nutritionally complete meal replacement.
Convenient for on-the-go snacking.

Main Highlights

MEAL REPLACEMENT BARS: 4 flavours; Salted Caramel,Double Chocolate, Chocolate Peanut and Chocolate Raisin
NUTRITIONALLY COMPLETE MEAL REPLACEMENT: Each bar contains pp to 33% of your RDA of vitamins and minerals, is high protein and high fibre
LOW CALORIE, LESS THAN 224 CALORIES PER BAR: A great snack anytime of the day, designed to help you reach your weight loss goals
WEIGHT LOSS MADE SIMPLE AND DELICIOUS: Each satsyingly chewy bar is packed with protein and fibre to help you feel fuller for longer, supporting your weight management goals
CONVENIENT ON-THE-GO SNACK: Individually wrapped bars are perfect for a quick and nutritious meal or snack anytime, anywhere

FULFIL Vitamin and Protein Bars (15 x 55 g Bars) - Chocolate Peanut & Caramel Flavour - 20 g High Protein, 9 Vitamins, Low Sugar

Why We Love It

High protein, low sugar snack.
Packed with 9 essential vitamins.
Decadent, delicious, and nutritious.

Main Highlights

HIGH PROTEIN and LOW SUGAR BARS: Each 55g bar contains 20g of protein, less than 3 grams of sugar and only 205 calories. Great for a tasty treat or a post workout refuel
9 VITAMINS: Each FULFIL bar contains 30 percent RDA for 9 essential vitamins to support you through everyday life
DELICIOUS and NUTRITIOUS: FULFIL bars are not your average protein bar. Our Chocolate Peanut and Caramel Flavour features decadent milk chocolate that encases a layer of caramel mixed with crunchy crispies surrounding a rich, peanut centre
OUR PACKS CONTAIN 15 BARS: So you never run out of your favourite protein bar
LIFE'S WONDERFUEL: We want FULFIL bars to fuel you on all of your everyday adventures, whether it’s to get you through your work day, hiking up a mountain, a workout, or a sofa snack we’ve got you covered

Slim Fast Bundle 16x60gram Meal Bars in Choc Chip, Orange, Rocky Road and Very Berry Tasty, Balanced For Weight Loss, High in Protein

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Why We Love It

Tasty and nutritionally balanced.
Perfect for on-the-go.
Varied, delicious flavours.

Main Highlights

REPLACEMENT MEAL BARS Get ready for a burst of flavour with our delish NEW Meal bars! Packed with everything you need for a tasty Balanced meal, they are high in protein and fiber, with 23 essential vitamins and minerals. Plus they fit perfectly in your bag for when you’re out.
4x60g CHOC CHIP Meal Bars 211 KCAL Crammed with crispy pieces and chocolate chips this Meal Bar is a delight to sink your teeth into and a Balanced meal too. A convenient food on the go that is calorie controlled.
4x60g CHOC ORANGE MEAL Bars 218 KCAL Perfect for a quick, tasty meal on the go with real fruit pieces, oats and milk chocolate, delish! Exactly what you need to keep you going when you're strapped for time.
4x60g VERY BERRY Meal Bars 225 KCAL Crispy pieces with seeds and real berry pieces, drizzled with yogurt. A fruity and delicious way to enjoy a Balanced meal on-the-go.A delicious part of a simple daily plan to help you get results and lose weight.
4x60g ROCKY ROAD Meal Bars 217 KCAL Crispy chocolate pieces topped with marshmallows and dipped in chocolate, plus everything you need from a Balanced meal. A healthy alternative to a tasty treat mid-morning or for a calorie-controlled diet.

SlimFast Tasty Balanced Meal Bar, Low Calorie Replacement Bars for Weight Loss and Diet, High Protein, Healthy Snacks for Adults with 23 Vitamins and Minerals, Rocky Road Flavour, Multipack, 16 x 60 g

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Why We Love It

Promotes weight loss effectively.
Packed with multivitamins and minerals.
Tantalizing range of flavors.

Main Highlights

NEVER RUN ON EMPTY: SlimFast low-calorie snacks are ready-to-eat high protein meal replacement bars that support your weight loss and help to keep it off*: 14-15 g of protein and less than 230 kcal per bar
MULTIVITAMIN AND MINERAL POWERHOUSE: protein snacks with 23 vitamins and minerals (incl. Vitamin A, Vitamin D, Vitamin C, Vitamin B6, Vitamin B12, magnesium and zinc) per meal replacement bar
IRRESISTIBLE FLAVOURS: ready-to-eat meal replacement bars for weight loss come in 4 delish flavours (Choc Chip, Rocky Road, Choc Orange and Very Berry), no artificial colour, flavours or preservatives
SATISFY HUNGER: Enjoy two SlimFast meal replacement bars a day as part of our 3.2.1 plan to help you lose weight and keep it off, or enjoy it as part of your balanced diet
Substituting two main daily meals with meal replacements contributes to weight loss, and substituting one contributes to weight maintenance. Source: COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012

HUEL Complete Nutrition Bars - 51g Bars - Pick any 10-5 Flavours to choose from - Choc Chip Cookie Dough, Dark Chocolate & Raspberry, Chocolate Fudge Brownie, Peanut Caramel and Chocolate Caramel

Why We Love It

Customizable flavour selection available.
Packed with essential nutrients.
Convenient for on-the-go snacking.

Main Highlights

Pick Any 10 flavours of your choice, in this customised assorted pack!
Complete Nutrition in Every Bite: Each HUEL Complete Nutrition Bar is packed with 26 essential vitamins and minerals, high in protein and fiber to support your daily health needs.
Low Sugar, High Protein: With under 200 kcal per bar, enjoy a guilt-free snack that's low in sugar and packed ith protein to keep you fuller for longer.
Deliciously Layered Flavours: Indulgent vegan chocolate, smooth caramel, and five irresistible flavours—Chocolate Chip Cookie Dough, Dark Chocolate & Raspberry, Chocolate Fudge Brownie, Peanut Caramel, and Chocolate Caramel.
On-the-Go Convenience: Perfect for busy lifestyles, these bars are easy to take anywhere for a quick and balanced nutritional boost.
Vegan & Gluten-Free: Made with high-quality, real ingredients that are 100% vegan and gluten-free, ideal for various dietary preferences.

SlimFast 7-Day Taster Kit – 7 Meal Replacement Bars & 7 Ready-to-Drink Shakes, High Protein, High Fibre, 27 Vitamins & Minerals, 7-Day Meal Planner, Low-Calorie Snacks for Weight Management

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Why We Love It

Balanced nutrition aids weight loss.
Convenient meal planning included.
Tasty flavors keep you satisfied.

Main Highlights

BALANCED NUTRITION – Each item in the SlimFast 7-Day Starter Kit offers high protein, high fibre, and 27 vitamins & minerals to support your weight management journey
7-DAY MEAL PLANNER AND TIPS – Includes an easy-to-follow 7-day meal planner with creative meal ideas, healthy snack suggestions, and expert tips to support your SlimFast diet and weight loss goals
WHAT’S INSIDE THE KIT – 7 ready-to-drink shakes (2 Chocolate, 2 Strawberry, 2 Café Latte, 1 Vanilla) and 7 meal replacement bars (3 Salted Caramel, 2 Chocolate Fudge, 2 Dark Chocolate and Cranberry)
LOW-CALORIE SNACK BOX – Stay on track with calorie-controlled meals and high-protein snacks designed to fit into your busy lifestyle, whether at work, the gym, or while travelling
EASY WEIGHT LOSS PLAN – Follow the SlimFast Plan: 3 SlimFast snacks a day, 1 meal bar, 1 diet shake, a healthy meal, and at least 2 litres of water to stay on track
*Substituting two main daily meals with meal replacements contributes to weight loss, and substituting one – contributes to weight maintenance. Source: COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012

Grenade High Protein, Low Sugar Bar - White Chocolate Cookie, 12 x 60 g (Packaging May Vary)

26% Off

Why We Love It

Packed with protein goodness.
Sugar levels kept low.
Indulgent, yet healthy snack.

Main Highlights

HIGH PROTEIN: Packed with protein, with over 22 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 white caramel and coated in white chocolate and cookie crispies
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

Shake That Weight Meal Replacement Bar - Chocolate Peanut - 10 Bars - Meal Replacement Plan for Weight Loss - Very Low Calorie Diet - VLCD - High in Protein

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Why We Love It

Promotes rapid weight loss.
Delicious chocolate peanut flavor.
Curbs hunger effectively.

Main Highlights

WEIGHT LOSS BARS — reach your weight loss goals with Shake That Weight’s low carb meal replacement bars, designed for rapid weight loss via the very low calorie diet (VLCD) principle.
CHOCOLATE & PEANUT — a pack of 10 great-tasting chocolate and peanut bars that can be used as a meal replacement option in our diet plans — perfect if you want to mix and match with our delicious range of shakes.
BALANCED DIET PLAN — low carb, high protein, rich in fibre and packed with the vital vitamins and minerals your body needs to ensure you stay healthy throughout your diet plan!
REDUCE HUNGER PANGS — each delicious bar is high in protein which digests slowly to help reduce hunger pangs, keeping you on the right track to achieving your desired weight.
GREAT TASTE — our bars feature a taste and texture so good that you don’t even feel like you are dieting — try cutting them into small pieces so you can enjoy them as healthy, nutritious treats!

Fitnesshock Protein Bar 12-Pack no added sugar, low carb (3.5g), rich in fibre, low calories, 12pcs Fitness chocolate protein bar, no flour and palm oil, 12x50g coconut flavor

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Why We Love It

Minimal impact on blood sugar.
Healthy, low-calorie chocolate treat.
Rich in filling fiber.

Main Highlights

VERY LOW CARB - only 3.5g per bar and almost Sugar-Free (1g) - has minimal impact on blood sugar levels
ONLY 1G OF SUGAR - A treat without extra calories and harm to your figure. A much more conscious alternative to a conventional chocolate bar
RICH IN FIBER 19.5g - 65% of the daily requirement - very filling, can serve as a meal replacement
Сhocolate protein bar with exotic flavor and real coconut flakes. The omission of refined sugar and flour makes the bars a healthy snack
PALM OIL-FREE, almost no saturated fat, gluten-free, non-GMO. No artificial flavors or preservatives

Warrior Raw Protein Bars – 12 x 75g Oat Bar Flapjacks – High Fibre, Low Sugar – Ideal Meal Replacement or Healthy Nutrition Energy Snacks – HFSS / GMP Certified – UK Made (White Chocolate Cranberry)

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Why We Love It

High protein content for recovery.
Low sugar for healthier snacking.
Convenient for pre or post-workout.

Main Highlights

HUGE 20 GRAMS OF PROTEIN PER BAR - That's more than 3 whole eggs Our bars are packed with high-quality milk protein to help muscles rebuild and recover after training and to help you meet your daily protein intake.
LOW IN SUGAR, HIGH IN FIBRE - With only 3.5g sugar per bar, these are some of the lowest sugar protein chewy granola bars ever released Also high in fibre to help control blood sugar levels.
USE PRE OR POST WORKOUT - Eat pre-workout for an energy boost or post-workout to help aid recovery. Ideal for cutting or bulking when counting your macros.
GREAT TASTE - Chewy granola oat bar that can be eaten as a filling snack to help keep you satisfied until your next meal and curb cravings for high-sugar snacks.
PACK OF 12 x PROTEIN BARS - Save money with this multipack of 12 high-protein bars. Store at home to eat as and when needed. Can be used as part of a healthy diet to help manage weight gain.

9.1

Superb

We scanned 951 products

We reviewed these offers relevant to the Meal Replacement Bar within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like LighterLife Fast, Fulfil, SlimFast, Huel, Grenade, Shake That Weight, FitnesSHOCK, Warrior, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Meal Replacement Bar in the market, we considered we took a deep dive into 4756 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is LighterLife Meal Replacement Bar Mutipack 12 x 60g | 4 Flavours | Complete Nutrition Bar for Weight Loss & Weight Management, High Protein, High Fibre, With up to 33% of RDA Vitamins & Minerals. We love many things about this product by LighterLife Fast. What sets it apart from the competition is Delicious variety of flavors. , Nutritionally complete meal replacement. , Convenient for on-the-go snacking.
The best value product for most shoppers and where user satisfaction is continuously the highest is FULFIL Vitamin and Protein Bars (15 x 55 g Bars) - Chocolate Peanut & Caramel Flavour - 20 g High Protein, 9 Vitamins, Low Sugar by Fulfil based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Meal Replacement Bar and the best cost-to-value ratio is Grenade High Protein, Low Sugar Bar - White Chocolate Cookie, 12 x 60 g (Packaging May Vary)at Grenade with a 26% discount.
Our list of the best Meal Replacement Bar is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Meal Replacement Bar in The UK

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Warrior Creatine Protein Bars – Low Carb Snack, Oat Based Flapjack Bar, Increase Physical Performance, 12 x 75g (Chocolate Peanut)

We scanned 951 products

We concluded that: