10 Best Protein Drinks Ready To Drink For Weight Gain in The UK

Last updated on 15/08/2025

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ON High Protein Shake Bottles, Ready To Drink Healthy Snacks, No added sugars, low fat, Post Workout Snack for Men and Women, Chocolate Flavour, 12x500ml, Packaging may vary

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Why We Love It

Delicious protein shakes anytime.
No added sugars for health.
Three tasty flavors to enjoy.

Main Highlights

Delicious high protein shakes ready to drink from Optimum Nutrition, the alternative to your daily protein bar
Protein Shakes have no added sugars; each 330 ml milkshake contains 25 g of protein and is low in fat and contains no artificial colours
An alternative to protein snacks that have no added sugars; ON Shake contains only naturally-occurring sugars
Enjoy your protein shakes any time of the day or immediately after training to support an active lifestyle
Available in three tasty flavours: vanilla, strawberry, chocolate

Ensure NutriVigor Nutritional Shake – Chocolate 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

'Nutritional support in every sip.
Lactose, gluten-free, vegetarian friendly.
Ideal for on-the-go consumption.

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

Huel Black Edition Ready-to-drink, 8 x 500ml Bottles, Protein Shakes, Vanilla Flavour, High Protein Drink, 35g Protein Per Bottle, Rich in Vitamin D, Fatty Acids, Calcium, Ready Meals

Why We Love It

Ultimate on-the-go meal.
35g plant-based protein.
100% recyclable bottle.

Main Highlights

COMPLETE MEAL IN A BOTTLE: Each bottle is packed with 35g of plant-based protein, 26 essential vitamins and minerals, and 400 calories, offering balanced nutrition wherever life takes you.
SMOOTH, NATURALLY DELICIOUS FLAVOUR: Enjoy a smooth, creamy texture with naturally delicious flavours. Perfect for on-the-go consumption, this ready-to-drink meal is convenient for busy mornings, post-workout recovery, or as a quick meal replacement anytime.
PREMIUM INGREDIENTS, RICH IN NUTRIENTS: Crafted with pea protein, faba bean protein, flaxseed, coconut, and tapioca, this meal shake is loaded with fibre, calcium, iron, and MCTs, supporting digestion, muscle function, metabolism, and energy levels.
SCIENCE-BACKED HEALTH BENEFITS: Packed with over 170 research-backed health benefits to help fuel you through the day. Formulated with protein and essential nutrients that support muscle growth, reduce fatigue, maintain immune function, and help care for your hair, skin, and nails.
100% VEGAN & GLUTEN-FREE: Plant-based and free from artificial sweeteners, flavours, and colourings. Non-GMO and gluten-free, Huel Black Edition Ready-to-drink offers clean, sustainable nutrition with a taste you will love.

Optimum Nutrition High Protein Shake Bottles, Ready to Drink Healthy Snacks, No Added sugars, Low Fat, Post Workout Snack for Men and Women, Strawberry Flavour, (10x500ml), Packaging May Vary

Why We Love It

High protein, low fat content.
No added sugars, artificial colours.
Available in three flavours.

Main Highlights

Delicious high protein shakes ready to drink from Optimum Nutrition, the perfect alternative to your daily protein bar
Protein Shakes have no added sugars; each 500 ml milkshake contains 50 g of protein and is low in fat and contains no artificial colours
An excellent alternative to protein snacks that have no added sugars; ON Shake contains only naturally-occurring sugars
Enjoy your protein shakes any time of the day or immediately after training to support an active lifestyle
Available in three tasty flavours: vanilla, strawberry, chocolate

UFIT High 50g Protein Shake - White Chocolate Flavour - No Added Sugar - Low in Fat - Ready to Drink - Pack of 8 x 500ml (Packaging May Vary)

Why We Love It

Packed with protein goodness.
Absolutely no added sugar.
Deliciously low in fat.

Main Highlights

No added sugar & fat free - Ufit contains no added sugar and is also fat free making it one super healthy shake
Directions: drink chilled, shake well
Added vitamins and minerals - Ufit contains essential vitamins and minerals that help keep immune system fighting fit

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

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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.

Fortisip Bottle Multipack (All Flavours or Mixed 12) 12 x 200ml (Mixed Flavours)

Why We Love It

Offers variety with mixed flavours.
Convenient meal beverage solution.
Generous pack size available.

Main Highlights

Fortisip Bottle Multipack All Flavours or Mixed 12 12 x 200ml Mixed Flavours
Product type: MEAL BEVERAGE
Brand: Fortisip
Size: 200 ml Pack of 12

Optimum Nutrition High Protein Shake Bottles, Ready to Drink Post Workout Snack, Low Fat and No Added Sugar, Muscle Growth and Support, Chocolate, 12x330ml Packaging May Vary

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Why We Love It

High protein, low fat shakes.
No added sugars or artificial colors.
Supports an active lifestyle.

Main Highlights

Delicious high protein shakes ready to drink from Optimum Nutrition, the perfect alternative to your daily protein bar
Improve muscle gain and contribute to the maintenance of muscle mass and normal bones**
25 g of protein per 330 ml shake, low fat, no added sugars. Contains naturally-occurring sugars
Can be consumed at any time during the day as a protein snack or can be a perfect post-training shake
Convenient packaging for travel, gym and work

Vieve Protein Water 10x500ml - Mixed Variety Flavour Pack 20g Protein, Sugar Free, Fat Free & Dairy Free A Ready to Drink Alternative to Protein Powders & Shakes 10 Pack (2 per Flavour)

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Why We Love It

Great tasting water-based protein.
Low calorie, sugar, fat free.
Supports muscle growth, reduces cravings.

Main Highlights

NATURALLY FLAVOURED, GREAT TASTING and REFRESHING WATER BASED ALTERNATIVE TO OTHER PROTEIN DRINKS: for those who don't like milky drinks or powders. Tastes like regular flavoured water not like a protein drink
LOW CALORIE, SUGAR and FAT FREE: 20g protein, zero carbs, zero sugars, low calorie, fat free. Source of essential amino acids and BCAAs.
DAIRY or LACTOSE FREE UTILZING A COLLAGEN PEPTIDE FORMULA FOR EASIER DIGESTION and ABSORPTION: One of the few dairy or lactose free protein drinks on the market. Contains a unique collagen protein peptide formula which is rapidly digested by the body. Utilizing a peptide formula allows for the faster uptake of protein, stimulating muscle development and growth. Each bottle contains 20,000mg of collagen peptides
PROTEIN WITHOUT THE MESS: Not a powder or milky drink Convenient on-the-go format that you can take anywhere
HIGH IN PROTEIN TO HELP BUILD MUSCLE AND SUPPORT STRONG BONES. KEEPS YOU FULLER LONGER: Supports growth and maintenance of muscle mass. Contributes to the maintenance of normal bones. Perfect protein drink for weight loss as part of a balanced diet. High in protein to keep you fuller for longer and reduce in between meal cravings
DISCOVER A WORLD OF FLAVOURS: Our mixed flavor variety pack offers a delightful assortment, letting you enjoy multiple flavors in one convenient package. Perfect for those who love variety and want to try something new every day. Please note flavours may vary to those pictured.

Barebells Protein Shake – 24g High Protein Milkshake, Lactose-Free, Ready to Drink, Low Carb – 8x330ml (Vanilla Flavour)

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Why We Love It

Vanilla flavor recalls childhood memories.
Ready-to-drink, no shaker needed.
Supports active lifestyles.

Main Highlights

VANILLA FLAVOURED PROTEIN SHAKE - silky smooth, sweet and creamy vanilla flavour. Vanilla is perhaps the world's most popular milkshake flavor, a classic that brings back childhood memories!
VANILLA FLAVOURED PROTEIN SHAKE - silky smooth, sweet and creamy vanilla flavour. Vanilla is perhaps the world's most popular milkshake flavor, a classic that brings back childhood memories!
LEAVE THE PROTEIN SHAKER AT HOME - With our ready to drink protein shake there is no need to mess with protein powder and a protein shaker bottle. Just bring a milkshake from Barebells instead!
BAREBELLS PROTEIN MILKSHAKES are low calorie shakes with less than 200 calories per serving. With 24 grams of whey protein per serving, they make up the perfect high protein snacks on the go.
FOR AN ACTIVE LIFESTYLE - Protein drinks for a pre workout meal or as an alternative to post workout protein powder. There are many best ways to enjoy a Barebells protein milkshake.
DESIGNED TO SPOIL OUR INNER CHILD - The fact that this vanilla milkshake contains 24g of protein, has no added sugar, and is lactose free is just a grown-up bonus!

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We scanned 579 products

We reviewed these offers relevant to the Protein Drinks Ready To Drink 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 Optimum Nutrition, NutriVigor, Huel, UFIT, Fortisip, Vieve, BAREBELLS, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Protein Drinks Ready To Drink For Weight Gain in the market, we considered we took a deep dive into 2896 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 ON High Protein Shake Bottles, Ready To Drink Healthy Snacks, No added sugars, low fat, Post Workout Snack for Men and Women, Chocolate Flavour, 12x500ml, Packaging may vary. We love many things about this product by Optimum Nutrition. What sets it apart from the competition is Delicious protein shakes anytime. , No added sugars for health. , Three tasty flavors to enjoy. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Ensure NutriVigor Nutritional Shake – Chocolate Flavour – 12 x 220ml – Boosts Energy – Ready-to-Drink – Food Supplement with Protein, HMB and27 Vitamins and Minerals by NutriVigor based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Protein Drinks Ready To Drink For Weight Gain and the best cost-to-value ratio is ON High Protein Shake Bottles, Ready To Drink Healthy Snacks, No added sugars, low fat, Post Workout Snack for Men and Women, Chocolate Flavour, 12x500ml, Packaging may varyat Optimum Nutrition with a 13% discount.
Our list of the best Protein Drinks Ready To Drink 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 Protein Drinks Ready To Drink For Weight Gain in The UK

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FUEL10K Chocolate High Protein Milk Breakfast Drink, 330 ml (Pack of 8)

UFIT High 50g Protein Shake - Chocolate Flavour - No Added Sugar - Low in Fat - Ready to Drink -Pack of 8 x 500 ml (Packaging May Vary)

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

VANILLA PROTEIN MILK SHAKE 482ml (Pack of 8) - Protein Drinks Ready To Drink Low Sugar Pre-Mixed & Ready To Drink | Recovery Drinks Lean Protein Shake High Protein Drinks | Protein Vanilla Shake

Applied Nutrition Protein Shakes - High Protein Shake Ready To Drink, Protein Drink With 20g Of Protein, Low Fat Protein Shake, On The Go Bottle - 8 x 330ml (Fudge Brownie)

We scanned 579 products

We concluded that: