10 Best Meal Replacement Shakes For Weight Gain in The UK

Last updated on 10/08/2025

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NUPO One Meal +Prime Strawberry Love – Ready-to-Drink Shake - Tasty Meal Replacement Shake with 24 Vitamins and Minerals - High in Protein - No Added Sugar - 12 x 330ml

16% OffFree Shipping

Why We Love It

Convenient, on-the-go weight loss.
Delicious multi-flavor options.
Offers Nutritional Power and health.

Main Highlights

WITH NUPO TO YOUR PRIME TIME: Our One Meal +Prime ready-to-drink diet shakes help you with your weight loss or weight control since each shake has approximately only 200 calories.
LOSE POUNDS - GAIN HEALTH: Obesity was yesterday! Our meal replacement drinks introduce a new era of dieting. Replace two of your daily meals with One Meal +Prime to lose weight efficiently – without starving!
LOSE WEIGHT ON THE GO: Losing weight despite a busy schedule? Super easy with our practical to-go weight loss drinks that help you lose weight.
FOR EVERYONE: Our healthy slimming shakes come in four delicious flavours: strawberry, chocolate, caffe latte and vanilla banana.
ABOUT NUPO: We are a Danish Company providing our customers with Nutritional Power = Nupo, since 1981. Thanks to our Very Low Calorie Diet (VLCD), we contribute to the battle against obesity.

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

4% Off

Why We Love It

Ready-to-drink convenience.
Packed with essential nutrients.
Eco-friendly and sustainable packaging.

Main Highlights

COMPLETE MEAL IN A BOTTLE: Each bottle delivers up to 22g of plant-based protein, 26 essential vitamins and minerals, and a perfect blend of carbs, fats, and fibre to keep you energized throughout the day.
SMOOTH, CREAMY & ON-THE-GO CONVENIENCE: Pre-portioned and ready to sip, this meal drink is smooth and satisfying. Simply shake and enjoy—ideal for quick breakfasts, work lunches, or fueling up between meetings.
NUTRIENT-RICH INGREDIENTS: Made with oats, pea protein, flaxseed, and tapioca, this meal shake is packed with calcium, potassium, fibre, and healthy fats to support digestion, metabolism, and sustained energy.
SCIENCE-BACKED HEALTH BENEFITS: Delivers over 170 research-backed health benefits to support everyday wellness. Made with nutrients that support muscle function, reduce tiredness and fatigue, contribute to immunity, and maintain healthy skin, hair, and nails
100% VEGAN & GLUTEN-FREE: Plant-based, non-GMO, and free from artificial flavourings, colourings, and preservatives. Huel Ready-to-drink provides clean, sustainable nutrition that tastes great and fits your lifestyle.

COMPLAN ORIGINAL FLAVOUR 425G PACK OF 3

Why We Love It

Packed with 26 vitamins, minerals.
No artificial additives present.
Convenient 3 pack purchase.

Main Highlights

Original Flavour
Contains 26 vitamins & minerals425g
No artificial colours, sweeteners or preservatives
3 packs
White Horse Business Park, Trowbridge, Wiltshire, BA14 0XQ, UK

Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Chocolate Perfection, 2 kg)

Why We Love It

Promotes muscle maintenance overnight.
Guarantees premium quality ingredients.
Suitable for various dietary needs.

Main Highlights

Engineered for Gains: This seamless protein shake mix is specifically formulated to accelerate muscle and weight gains and improve post-workout recovery, enhancing overall workout performance for the dedicated, hard gainer and serious athlete alike
Excellent Nutrition Profile: Packed with quality ingredients, each protein shake serving delivers over 1000 kcals, 200g of complex carbohydrates, 60g of muscle gain protein, critical EAAs, creatine, 18 vitamins and minerals (B12, B6, C, Iron, Zinc)
Outstanding Taste Sensation: Our Chocolate Perfection mass gainer flavour isn't just a treat for your taste buds - it's a deliciously creamy escape into indulgence with every sip, all while you are fueling your body for mass gain and muscle recovery
Optimal Timing for Maximum Impact: Consume Instant Mass Heavyweight high protein shake between meals for a positive nitrogen balance, 20-30 minutes post workout for best results or 45-60 minutes before sleep to aid overnight muscle maintenance
Trusted Quality Assurance: Reflex Nutrition's promise to quality means whey protein powder from grass-fed cows - Protein Sources are Glutamine Peptides, Whey Protein Concentrate, Milk Protein, Hydrolysed Whey Protein
Produced in an Informed Sport Registered Facility - Suitable for vegetarians and Halal certified - Zero added sugars, artificial colors, or soy protein, assuring a conscientious choice of weight gainer for your muscle-building objectives

Ensure NutriVigor Nutritional Shake – Vanilla Flavour – 12 x 220ml – Boosts Energy – Ready-to-Drink – Food Supplement with Protein, HMB and27 Vitamins and Minerals

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Why We Love It

Nutrition-packed for health boost.
Delicious varied flavors available.
Convenient for on-the-go.

Main Highlights

Nutritional supplement packed with 27 vitamins & minerals, Protein & HMB2
Includes blend of vitamin D, vitamin C, B vitamins & calcium
Helps support strength, energy§ levels, & immunity*
Feel stronger in 6 weeks^
Ready to use and can be enjoyed at home or on-the-go
From Ensure, the #1 nutritional supplement drink in the world
Ensure is a leading nutritional brand with 45 years of scientific evidence

Meritene Energis Vanilla Protein Shake | 30g Powder Sachets, Pack of 15 | Nutritional Support Mix with Proteins and Minerals | With Vitamin D, B & K

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Why We Love It

Supports muscles and bone health.
Boosts energy, reduces tiredness.
Convenient, Vegetarian, and Gluten-free.

Main Highlights

9.3g PROTEIN PER SERVING, VITAMINS and MINERALS - This food supplement provides you with the extra nutrition may need to release energy, fight tiredness, and power through your day
ZINC AND IRON TO HELP THE IMMUNE SYSTEM - This formula helps support the immune system. Whatever life throws at you, these nutritional shakes are excellent for sustained strength and vitality
CALCIUM AND VITAMIN D TO SUPPORT BONES: Supports the maintenance of normal bones. Great food supplement shakes for adults who are looking for a delicious vitamin, mineral and protein boost
QUICK AND EASY PREP - Make nutrition shakes with water or milk in minutes Ideal prep method for demanding lifestyles. Simply tear open a sachet and add to your preferred beverage
GLUTEN FREE, NO ADDED SUGAR - Just 107 calories per sachet. Suitable for vegetarians, free of gluten and added sugar, you can enjoy meal supplement shakes that are perfect for any time of the day

Ensure Plus Banana (12 Pack)

3% Off

Why We Love It

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Main Highlights

Ensure Plus Banana 12 Pack
Brand : Abbott
Product type: MEAL REPLACEMENT BEVERAGE
200 ml Pack of 12

Ensure NutriVigor Nutritional Shake – Strawberry Flavour – 400g – Food Supplement with Protein, HMB & 27 Vitamins & Minerals – Supports Strength, Energy & Immunity – With Vitamin D, C & B

Free Shipping

Why We Love It

Packed with essential vitamins, minerals.
Delicious strawberry flavored shake.
High in protein content.

Main Highlights

Nutritional supplement packed with 27 vitamins & minerals, Protein & HMB2
Includes blend of vitamin D, vitamin C, B vitamins & calcium
Helps support strength, energy§ levels, & immunity*
Feel stronger in 6 weeks^
From Ensure, the #1 nutritional supplement drink in the world
Ensure is a leading nutritional brand with 45 years of scientific evidence

Build Up Drink | Ideal for Gaining Weight | Formulated for the Elderly or Recovering from Illness | UK Manufactured (Strawberry)

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Why We Love It

Boosts nutritional intake effectively.
Enriched with essential nutrients.
Produced in top-notch facilities.

Main Highlights

Comprehensive Nutritional Support: Each 141kcal serving delivers a powerful combination of protein, flaxseed, and essential fatty acids (ALA and LA) to promote muscle maintenance and healthy goals. Ideal for those seeking support without compromising on balanced nutrition. All claimed are substantiated by the European Food Safety Authority (EFSA).
Rich in Essential Vitamins and Minerals: Packed with 24 essential vitamins and minerals, including Vitamin D, calcium, and magnesium, to support strong bones, muscle function, and overall vitality, ensuring your body gets everything it needs for peak performance. All claimed are substantiated by the European Food Safety Authority (EFSA).
Immune System and Energy Supporting Benefits: Contains Vitamin C, zinc, and iron to supports your immune system and reduce fatigue, while essential nutrients like thiamine and pantothenic acid fuel normal energy metabolism to keep you active throughout the day. All claimed are substantiated by the European Food Safety Authority (EFSA).
Supports Skin, Hair, and Heart Health: Fortified with biotin, Vitamin E, and omega-3 fatty acids to protect cells from oxidative stress, maintain healthy skin and hair, and supports heart health. A complete formula designed for beauty from the inside out. All claimed are substantiated by the European Food Safety Authority (EFSA).
Delicious and Versatile Flavors: Enjoy the convenience of a powder available in delightful strawberry and vanilla flavours. Mix it into water, milk, or your favourite smoothie for a satisfying and nutrient-rich meal replacement or snack.

UFIT High 25g Protein Shake - Chocolate Flavour- Fat Free - No Added Sugar – Ready to Drink - 10 x 330ml (Packaging May Vary)

Why We Love It

High protein-on-the-go convenience.
Decadent chocolate taste.
Helps support muscle health.

Main Highlights

Parent

8.7

Excellent

We scanned 349 products

We reviewed these offers relevant to the Meal Replacement Shakes For Weight Gain 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 NUPO, Huel, Complan, Reflex, NutriVigor, Meritene, Abbott, Simply Supplements, UFIT, 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 Shakes For Weight Gain in the market, we considered we took a deep dive into 1746 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 NUPO One Meal +Prime Strawberry Love – Ready-to-Drink Shake - Tasty Meal Replacement Shake with 24 Vitamins and Minerals - High in Protein - No Added Sugar - 12 x 330ml. We love many things about this product by NUPO. What sets it apart from the competition is Convenient, on-the-go weight loss, Delicious multi-flavor options, Offers Nutritional Power and health.
The best value product for most shoppers and where user satisfaction is continuously the highest is Huel Ready-to-drink Meal, Strawberries and Cream Protein Drink, 8 x 500ml Bottles, Protein Shakes, Pre-Portioned Meal, 20g of Protein per Bottle, Rich in Essential Vitamins, Meal Replacement Shake by Huel based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Meal Replacement Shakes For Weight Gain and the best cost-to-value ratio is NUPO One Meal +Prime Strawberry Love – Ready-to-Drink Shake - Tasty Meal Replacement Shake with 24 Vitamins and Minerals - High in Protein - No Added Sugar - 12 x 330mlat NUPO with a 16% discount.
Our list of the best Meal Replacement Shakes For Weight Gain 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 Shakes For Weight Gain in The UK

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We scanned 349 products

We concluded that: