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5 Best Diet Shakes of 2025

Last Updated - 15/06/2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

SlimFast

SlimFast 7 Day Ready To Go Kit, Healthy Snack Box for Balanced Diet and Nutrition, Starter Kit to Jump-Start Weight Loss 3-2-1 Meal Plan, includes 6 Shakes, 8 Meal Bars, 7 Snack Bags, 7 Snack Bars

SlimFast

£65.98

More Details
Main highlights
- Varied and Satisfying: Enjoy a range of tasty options in our snack box, including snack bars and snack bags, designed to support your diet with low-calorie meals that help you lose weight
- 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
- Nutritional Balance: Each item in the SlimFast Starter Kit is carefully selected to provide balanced nutrition, from meal replacement shakes to healthy snack bars, get all you need for a healthy meal plan
- Easy Meal Planning: Simplify your diet with the included meal planner, offering creative and easy ideas for healthy meals and snacks, making the SlimFast 7-Day Kit an ally in your weight management journey
- Complete 1 Week Starter pack: Jumpstart your weight loss with our SlimFast 7-Day Starter Kit; delicious and nutritious meal shakes, meal bars, and healthy snacks take the hassle out of meal planning
£65.98
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

NUTRIPHARMA Quick Slim

Quick Slim Meal Replacement Shake for Weight Loss, 30 Servings, 20g Protein, 27 Vitamins & Minerals, Dietary Fiber, Low Carb, Gluten Free (Mixed Flavored)

NUTRIPHARMA Quick Slim

£45.00

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Main highlights
- SUPPORT WEIGHT LOSS: Quick Slim is meal replacement formula which contains 27 vitamins & minerals, whey protein to keep our body fit and active. Quick Slim help you lose weight.
- STAY ACTIVE: Quick Slim Weight Loss Smoothie is a convenient meal replacement with 27 vitamins and minerals to nourish your body and support an active lifestyle. Ketogenic Shake Powder & Weight Loss Shake & Energy Support.
- EASY TO PREPARE: Quick Slim Diet Shakes consist of 3 delicious flavors in single serving sachets. It's perfect to take on the go. Single-serving packets (30 packets in 1 box) make this convenient to grab-and-go for travel, the office or the gym. Slip one into your bag and enjoy your shake at work or on the go. Just add skimmed milk, shake and enjoy!
- COMPLETE NUTRITION: Quick Slim Meal Replacement Powder contain 20g Protein, 27 Vitamins & Minerals, Dietary Fiber(Prebiotic) and Essential Nutrients which are your body needs Daily
- 3 DELICIOUS FLAVORS in 1 BOX or SINGLE FLAVOR in 1 BOX : All your favourite Quick Slim Shake flavours (Double Chocolate, Strawberry Cream and Banana Cookies) in one box or single flavor in 1 box. 30 meal replacement sachets. Gluten Free. It helps you lose weight and keep it off.
£45.00
3
Best Value
27% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

USN
27% Off

USN Diet Fuel Ultralean Meal Replacement Shake Powder, Strawberry Flavour - 1kg, High Protein Shake Powdered Drink Mix, Low Calorie Diet & Weight Control Powder, 25g Protein

USN

£18.95

£26.00
(27% Off)

More Details
Main highlights
- Ultimate Sports Nutrition: USN are at the forefront of sports nutrition research, making effective sports nutrition supplements for professional and non-professional athletes, pre or post workout
- USN meal replacement shakes: A tasty USN meal replacement beverage powder with 25g protein and under 210 calories. High fibre with essential vitamins and nutrients - simply add 2 scoops to cold water
- USN Protein powder drink mix: High protein meal replacement shake powder to help support your weight loss goals. With added vitamins, each tasty diet shake you make can help you feel full for longer
- Premium women's and men's supplements: USN diet supplements offer proven benefits, when taken alongside a balanced diet and healthy lifestyle. Always consult a healthcare professional first
- Achieve your aims: 1kg of great tasting Strawberry flavour powdered protein, that can also be made up as a snack between meals, to help hit your daily protein goals and reduce sweet cravings
£18.95
£26.00 (27% Off)
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Protein Works

Protein Works - Diet Meal Replacement, Nutrient Dense Complete Meal, Immunity Boosting Vitamins, Affordable, Healthy And Quick, 14 Meals, Millionaire's Shortbread, 1kg

Protein Works

£21.50

More Details
Main highlights
- SUPPORTS DIETING & WEIGHT LOSS: Only 250 calories per meal, upwards of 250 calories less than the average meal, and naturally low in sugar and fat
- QUICK & EASY: Just add water and you’ve got yourself a nutrient dense, on-the-go meal
- NUTRITIONALLY COMPLETE MEAL: Each shake is packed full of all the nutrients your body needs to thrive - 20 g of high quality protein, slow releasing carbohydrates and fibre
- MADE WITH REAL FOOD INGREDIENTS: Each shake's unique recipe contains real food ingredients including oats and milk
- KEEPS YOU FULLER FOR LONGER: We’ve added slow and fast releasing proteins alongside slow digesting carbohydrates and fibre to satify your hunger and provide a sustained energy release
- ESSENTIAL VITAMINS & MINERALS: Contains a wealth of vitamins & minerals to support your immune system and gut health
£21.50
5
15% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Protein Works
15% Off

Protein Works - Diet Meal Replacement Extreme Shake | 200 Calorie Meal | High Protein Meal | Supports Weightloss | 16 Servings | Banana Smooth Sundae | 1kg

Protein Works

£18.22

£21.59
(15% Off)

More Details
Main highlights
- SUPPORTS DIETING & WEIGHT LOSS: Diet Meal Replacement Extreme has been developed over several years and represents the very cutting-edge of modern functional nutrition. Our innovative formulation includes a wide range of scientifically-researched ingredients to provide a highly nutritious and delicious meal that helps support sustainable weight loss. Diet Meal Replacement Extreme is ideal for anyone wanting to lose weight as part of a calorie restricted diet or anyone wanting to live a healthier lifestyle.
- NEXT LEVEL FLAVOUR: Each and every Diet Meal Replacement Extreme shake is infused with our unique flavours to create an unrivalled flavour experience.
- KEEPS YOU FULLER FOR LONGER: We’ve added slow and fast releasing premium proteins alongside low GI carbohydrates and fibre to satisfy your hunger and provide a sustained energy release.
- ESSENTIAL VITAMINS & MINERALS: Supercharged with a cutting-edge Vitamin & Mineral Formula that contains no less than 23 essential vitamins & minerals.
- BALANCED, COMPLETE NUTRITION: Each shake is packed full of real food ingredients and all the nutrients your body needs to thrive - up to 25g of premium protein, low GI carbohydrates and fibre.
£18.22
£21.59 (15% Off)

5 Best Diet Shakes of 2025

SlimFast 7 Day Ready To Go Kit, Healthy Snack Box for Balanced Diet and Nutrition, Starter Kit to Jump-Start Weight Loss 3-2-1 Meal Plan, includes 6 Shakes, 8 Meal Bars, 7 Snack Bags, 7 Snack Bars

Quick Slim Meal Replacement Shake for Weight Loss, 30 Servings, 20g Protein, 27 Vitamins & Minerals, Dietary Fiber, Low Carb, Gluten Free (Mixed Flavored)

USN Diet Fuel Ultralean Meal Replacement Shake Powder, Strawberry Flavour - 1kg, High Protein Shake Powdered Drink Mix, Low Calorie Diet & Weight Control Powder, 25g Protein

Protein Works - Diet Meal Replacement, Nutrient Dense Complete Meal, Immunity Boosting Vitamins, Affordable, Healthy And Quick, 14 Meals, Millionaire's Shortbread, 1kg

Protein Works - Diet Meal Replacement Extreme Shake | 200 Calorie Meal | High Protein Meal | Supports Weightloss | 16 Servings | Banana Smooth Sundae | 1kg

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USN Diet Fuel Ultralean Meal Replacement Shake Powder (Strawberry, 2kg - 36 Servings/Meals) Tasty High Protein Shake To Feel Full For Longer, Weight Control Powder, Drink Mix With 25g Protein

Almased - Soya, Yogurt and Honey Meal Replacement for Weight Control, 500 g, Powder

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SlimFast Meal Replacement Shake for Weight Loss & Balanced Diet, High Protein, Vitamins, Minerals, White Chocolate & Raspberry Flavour, 16 Meals, 584 g, Packaging May Vary

SlimFast Ready To Drink Shake, Meal Replacement Shakes for Weight Loss and Balanced Diet, High Protein, Vitamins and Minerals, No Added Sugar, Raspberry and White Chocolate Flavour, 6 x 325 ml

USN Liv.Smart Slim Shake Strawberries & Cream 550g - High Protein (21g) Meal Replacement Shake & Weight Loss Support - Low in Sugar & Suitable for Vegetarians, 10 Servings

Huel Ready-to-Drink Meal, Chocolate Protein Drink, 8 x 500ml Bottles, Protein Shakes, Pre-Portioned Meal, 20g of Protein per Bottle, Rich in Essential Vitamins, Minerals, Meal Replacement Shake

Applied Nutrition Diet Whey - High Protein Powder Supplement, Low Carb & Sugar, for Weight Management with CLA, L Carnitine, Green Tea (450g - 18 Servings) (Strawberry Milkshake)

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