Best Weight Loss Bars Deals Online in the UK (25 Deals Found)

Last Updated - 14/12/2025 Sort By:

Best Choice
SlimFast

New
SlimFast Snack Bar, Low-Calorie Healthy Snacks For Adults, Chocolate & Protein Bars Alternative, Part of Balanced Diet,
99 Calories

£12.99 £17.45
Best Value
SlimFast

New
SlimFast Salted Caramel Meal Bar, 16 g Protein, 202 Calories, 27 Vitamins & Minerals, Have as a Meal Replacement for Wei
TASTY MEAL REPLACEMENT BAR – Satisfy hunger with high protein and high fibre, a convenient choice for weight loss and we

£8.00
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New
SlimFast Meal Replacement Bars Rocky Road 16x60g High Protein Weight Loss Diet

£29.99
SlimFast

New
SlimFast Snack Bar, Low Calorie Snack, Choc Caramel Flavour, 30 X 26 G Multipack (Packing May Vary)
Low-calorie snack, 99 kcal per bar

£17.98
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New
Diet Fuel UItralean 4.4KG Meal Replacement Slim Weight Loss Whey Protein Shake
Plus, it’s high in protein to make sure you’re hitting your daily levels, and high in fibre, which is an essential part

£31.99
Shake That Weight

New
Shake That Weight Meal Replacement Bar - Chocolate Peanut - 10 Bars - Meal Replacement Plan for Weight Loss - Very Low C
WEIGHT LOSS BARS — reach your weight loss goals with Shake That Weight’s low carb meal replacement bars, designed for ra

£26.35
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Nakd

New
Nakd Fruit & Nut Bar Variety Pack - Vegan - Healthy Snack - Gluten Free - 35g x 18 bars
MADE WITH DELICIOUS NATURAL INGEDIENTS – a unique combination of fruit & nuts cold-pressed together without heat into ta

£13.50 £13.99
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New
Shake That Weight Chocolate Coconut 58g Meal Replacement Diet Bar 202kcal
C), DL-alpha-tocopheryl acetate (vit. B3), ferrous fumarate, zinc oxide, D-pantothenate calcium (vit. B5), sodium fluori

£23.60
Warrior

New
Warrior Raw Protein Bars – 12 x 75g High Protein Snack – High Fibre, Low Sugar – Ideal Meal Replacement or Healthy Nutri
HIGH PROTEIN FOR MUSCLE GROWTH: 20g high protein bar; high protein flapjack; high protein oat bar for muscle growth, lea

£11.76 £15.99
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New
SlimFast Meal Replacement Bars Rocky Road 16x60g High Protein Weight Loss Diet
Don’t miss out on this perfect solution for your busy lifestyle - order now and embrace a healthier you! High in protein

£68.85
SnackSmart

New
SnackSmart Keto Protein Bars with Slimbiome® – Low Carb, High Protein, Low Sugar Snack for Weight Loss & Gut Health – Pr
✅ Supports Gut Health & Digestion with Slimbiome – Infused with prebiotic fiber and Slimbiome, scientifically designed t

£24.99
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Grenade

New
Grenade High Protein, Low Sugar Bar - Chocolate Chip Cookie Dough, 12 x 60 g (Packaging May Vary)
HIGH PROTEIN, LOW SUGAR: Each bar is packed with over 21g of protein and contains just 1.5 of sugar

£21.66 £30.99
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New
SlimFast Strawberry Chocolate Snack Bar 2 Boxes Tasty Treat Weight Dieting Loss
Slim Fast Strawberry Choc Snack Bar 2 Boxes (12x25g) 99Kcal Enriched Sweet And Indulgent Treat On The Go. BAR in strawbe

£10.95
Shake That Weight

New
Shake That Weight Crispy Strawberry Meal Bars - 10 Meals, 15g Protein, Gluten-Free, Low Sugar Meal Replacement Bars for
CRISPY STRAWBERRY DELIGHT: 10 meal bars with crunchy puffed rice and strawberry chunks coated in smooth yoghurt, a sweet

£24.50
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New
Slim Fast 16 Meal Bars Salted Caramel & Chocolate Fudge Weight Loss Snack

£29.75
Adday

New
Adday - Low Calorie, High Protein Total Diet Meal Replacement Bar - Chocolate and Mint - Gluten Free, Vegan Friendly and
READY-TO-EAT, NOURISHING DIET BAR: We’ve crafted a satisfying, sweet diet bar for anyone following a structured weight c

£17.00
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New
SLIMFAST CHOCOLATE BARS 26g - Low Calorie weight loss Snack
Low-calorie snack, 99 kcal per bar. Sweet and indulgent to satisfy a sweet tooth.

£10.99
New
SlimFast Chocolate Caramel Snack Bar 2 Boxes(12x25g) 99Kcal Treat Weight Loss
Let your sweet tooth sorted with this snack. Treat yourself, as it's less than 100 calorie. A great tasking bar bundle i

£12.89
New
Slimfast Tasty Balanced Meal Bar, Low Calorie Replacement Bars for Weight Loss a
Looking to lose weight and keep it off in a simple and tasty way?. SlimFast 3.2.1. Follow our easy SlimFast 3.2.1. Why S

£60.29
New
Cookie Crunch Diet Meal Replacement Bar - Shake That Weight
Our Cookie Crunch Meal Bar with Milk Chocolate is an exceptional complete meal, packed with all the essential vitamins a

£2.10
New
Crispy Salted Caramel Diet Meal Replacement Bars - Shake That Weight
Dive into our exclusive trial meal bars! Packaged simply in plain foil for the trial. Your feedback will help decide if

£2.10
New
Keto Keto Bars 12 x 50g Keto Snacks Weight Loss | Keto Diet, Sugar Free Snack,
Delicious Vegan Treats - After 3 years of development, Keto Keto have created the ultimate tasty, healthy snack for thos

£32.52
New
SlimFast Tasty Balanced Meal Bar, Low Calorie Replacement Bars for Weight Loss
The SlimFast Tasty Balanced Meal Bar is a low calorie replacement bar designed for weight loss. With the reputable brand

£52.70
New
PhD Nutrition Smart Whey Protein Bar Snack Various Flavours 64g 12pk
Want to buy bulk protein bars?. Here is the best option for pHd smart proteins. Perfect as high protein snacks, these pr

£24.99
New
Serious 4.4KG Go Lean Diet Whey Protein Powder Shake Fat Loss & Lean Mass Gainer
Plus, it’s high in protein to make sure you’re hitting your daily levels, and high in fibre, which is an essential part

£31.99

25 Weight Loss Bars deals are available from: Amazon, eBay stores, starting from £2.10.
The biggest discount we found is 10%% on SlimFast Snack Bar, Low-Calorie Healthy Snacks For Adults, Chocolate & Protein Bars Alternative, Part of Balanced Diet, Weight Loss and Management Plan, Double Choc Flavour, Multipack, 30 x 26 g at Amazon.
The lowest price we found is £2.10 while the highest is £68.85.
Prices for the best Weight Loss Bars deals average at £24.18.
Last updated on December 14, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Weight Loss Bars.