Best Muscle Gain Whey Protein Powders of 2026

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 6 Feb 2026

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For those looking to enhance their muscle growth and recovery after workouts, Muscle Gain Whey Protein Powders are a great option. These powders are made from high-quality whey protein, which is rich in essential amino acids that aid in muscle building and repair. They come in various flavours and are easy to mix with water, milk or other beverages. While protein powders are not a substitute for a healthy, balanced diet, they can help supplement protein intake for those who have higher protein needs or struggle to meet their daily requirements through food alone.

At a Glance: Our Top Picks

Optimum Nutrition Gold Standard Whey Protein Powder Cover #TOP 1
Optimum Nutrition Gold Standard Whey Protein Powder
ftb score rating icon 9.9
Optimum Nutrition Gold Standard Whey Protein Powder Cover #TOP 2
Optimum Nutrition Gold Standard Whey Protein Powder
ftb score rating icon 9.8
Optimum Nutrition Gold Standard Whey Protein Cover #TOP 3
Optimum Nutrition Gold Standard Whey Protein
ftb score rating icon 9.6

Top 10 Muscle Gain Whey Protein Powders

Optimum Nutrition Gold Standard Whey Protein Powder

1101508
900 g (Pack of 1)
Optimum Nutrition Gold Standard Whey Protein Powder Cover
Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Delicious Strawberry Flavour, 30 Servings, 900 g

The Optimum Nutrition Whey Protein offers instantised formula for improved mixability, ensuring that you enjoy a smooth shake without lumps. It has been rigorously tested for banned substances, giving you peace of mind about what you're consuming. With the convenience of 30 servings per pack, it's perfect for those looking to enhance muscle building and recovery. Additionally, this product is highly recommended and frequently purchased alongside other popular supplements, making it a great addition to your fitness routine.

What We Like
Instantised for easy mixing
Banned substance tested
30 servings per pack
Highly recommended by users

Optimum Nutrition Gold Standard Whey Protein Powder

Optimum Nutrition Gold Standard Whey Protein Powder Cover
Optimum Nutrition Gold Standard Whey Protein, Muscle Building Powder with Naturally Occurring Glutamine and Amino Acids, Double Rich Chocolate, 29 Servings, 899 g, Packaging May Vary

Optimum Nutrition Whey Protein is a top-selling protein powder designed to support your fitness journey from the very start. With fast-absorbing whey protein isolate as the main ingredient, it aids in muscle gain and recovery after each training session. The formula is Informed Choice certified, and it contains naturally-occurring BCAAs and glutamine while being low in sugar and fat. You can enjoy this convenient powder by mixing one scoop with cold water, making it easy to incorporate into your routine, especially before or after workouts.

What We Like
Supports muscle gain and recovery
Low in sugar and fat
Fast-absorbing whey protein
Variety of flavours available
Easy to mix and use

Optimum Nutrition Gold Standard Whey Protein

1101512
900 g (Pack of 1)
Optimum Nutrition Gold Standard Whey Protein Cover
Optimum Nutrition Gold Standard Whey Protein Powder Muscle Building Supplements With Glutamine and Amino Acids, French Vanilla Creme, 30 Servings, 900 g, Packaging May Vary, 891 - 908 g

The Optimum Nutrition Whey Protein offers a fast-absorbing formula featuring whey protein isolate, which is ideal for muscle gain and supports your recovery after workouts. This protein powder is Informed Choice certified and contains naturally-occurring BCAAs and glutamine, making it a great choice for maintaining muscle health while being low in sugar and fat. For your convenience, simply mix one scoop with cold water, perfect for your morning routine or as a post-workout supplement.

What We Like
Fast-absorbing formula
Low in sugar and fat
Convenient to mix
Supports muscle gain
Contains BCAAs and glutamine
#TOP 4

Optimum Nutrition Gold Standard Whey Protein Powder

Optimum Nutrition Gold Standard Whey Protein Powder Cover
Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Double Rich Chocolate Flavour, 15 Servings, 465 g

Optimum Nutrition Whey Powder is a top choice for anyone embarking on a fitness journey. This fast-absorbing whey protein features whey protein isolate as its primary ingredient, which aids in muscle gain and supports recovery after your workouts. The formula is Informed Choice certified and includes naturally-occurring BCAAs and glutamine, making it a great option for those looking to enhance their performance while keeping sugar and fat low. With various flavours and sizes, it’s easy to mix one scoop into water for a convenient boost before or after training.

What We Like
World's best-selling protein powder
Supports muscle gain and recovery
Low in sugar and fat
Easy to mix and consume
Variety of flavours available

Optimum Nutrition Gold Standard Whey Protein Powder

1101523
Vanilla Ice-cream
Optimum Nutrition Gold Standard Whey Protein Powder Cover
Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Vanilla Ice Cream Flavour, 15 Servings, 450 g

Optimum Nutrition Whey Protein is a top-selling protein powder designed to enhance your fitness journey. It features fast-absorbing whey protein isolate, which aids in muscle gain and recovery after workouts, ensuring you feel your best. This protein powder is Informed Choice certified and includes naturally occurring BCAAs and glutamine, helping to support your overall muscle health. Additionally, it's low in sugar and fat, making it a convenient choice for those mindful of their diet.

What We Like
Supports muscle gain
Fast-absorbing formula
Low in sugar and fat
Variety of flavours available
Easy to mix and use
#TOP 6

The Bulk Protein Company, SERIOUS GAINZ

B142
Chocolate
The Bulk Protein Company, SERIOUS GAINZ Cover
The Bulk Protein Company, SERIOUS GAINZ - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Chocolate, 5kg)

Features
SUPPORTS MUSCLE GROWTH & POST-WORKOUT RECOVERY – Each Serving Provides A Balanced Blend Of Protein And Carbohydrates To Replenish Energy After Training And Support Lean Muscle Growth. The Combination Of Soy Protein Powder, Whey Isolate Protein Powder, Casein Protein Powder And Oat Flour Delivers Both Fast And Sustained Amino Acid Release, Helping Refuel Muscles, Restore Glycogen Levels And Maintain A High Daily Protein Intake For Better Recovery And Improved Performance Between Sessions.
HIGH-CALORIE MASS GAIN FORMULA WITH 30G PROTEIN PER SERVING – SERIOUS GAINZ By The Bulk Protein Company Is Positioned As One Of The High Calorie Drinks For Weight Gain, Delivering Approximately 468 Calories, 30g Protein And 81g Carbs Per Serving To Help Hardgainers Stay In A Consistent Calorie Surplus. Designed For Anyone Needing Extra Calories To Increase Size And Strength, It Supports Muscle Recovery, Training Performance And Progressive Weight Gain When Paired With A Structured Eating Plan.
SMOOTH, SWEET FLAVOUR EXPERIENCE YOU CAN ENJOY DAILY – This Whey Protein Powder Delivers A Rich, Dessert-Style Taste That Makes Each Protein Shake Enjoyable As Part Of Your Daily Bulking Routine. Available In Popular Flavours Such As Chocolate, Cookies & Cream, Vanilla, Strawberry And Banana, It Offers Options Suited To Both Classic And Dessert-Style Preferences. Whether You Mix It With Water Or Milk, Or Blend It Into Oats And Smoothies, The Flavour Stays Satisfying Across Long Bulking Phases.
MIXES BEST WITH MILK FOR A SMOOTHER, MORE ENJOYABLE SHAKE – As A Bulking Protein Powder, SERIOUS GAINZ Can Be Prepared With Water Or Milk, Though Many Users Prefer Milk For A Smoother, Richer And More Consistent Texture. Adding Liquid First, Shaking Thoroughly Or Using A Blender Helps Reduce Clumps And Creates A Creamier Shake That's Easier To Drink During Heavy Bulking Phases. This Preparation Method Makes Each Serving More Enjoyable And Supports Daily Consistency As Calorie Needs Increase.
FILLING FORMULA DESIGNED TO HELP MAINTAIN A DAILY CALORIE SURPLUS – This Mass Gainer Delivers A Dense, Satisfying Shake That Helps Men And Women Stay On Track With Daily Calorie Targets During Bulking Phases. Its Naturally Filling Consistency Supports A Sustained Surplus, While Starting With Smaller Servings, Adding More Liquid Or Spacing Intake Can Help Maintain Comfortable, Consistent Nutrition Throughout The Day.

Optimum Nutrition Gold Standard Whey Protein Powder

1101510
907 g (Pack of 1)
Optimum Nutrition Gold Standard Whey Protein Powder Cover
Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Extreme Milk Chocolate Flavour, 28 Servings, 896 g

Optimum Nutrition's Gold Standard Whey Protein offers a fast-absorbing formula designed to support your muscle gain and recovery from day one. With whey protein isolate as the main ingredient, it helps you bounce back after training sessions. This protein powder is also informed choice certified, containing naturally-occurring BCAAs and glutamine, which are essential for muscle health. Additionally, it is low in sugar and fat, making it a convenient option for anyone looking to maintain a healthy diet while achieving fitness goals.

What We Like
Fast-absorbing formula
Supports muscle recovery
Low in sugar and fat
Variety of flavours available
Easy to mix and use

Optimum Nutrition Gold Standard Whey Protein Powder

1101501
Chocolate Hazelnut
2.27 kg (Pack of 1)
Optimum Nutrition Gold Standard Whey Protein Powder Cover
Optimum Nutrition Gold Standard Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and Amino Acids, Chocolate Hazelnut, 71 Servings, 2.27kg, Packaging May Vary

Optimum Nutrition Whey Protein is a top-selling protein powder designed to support your fitness journey. With fast-absorbing whey protein isolate as its main ingredient, it helps you gain muscle and recover effectively after workouts. This formula is Informed Choice certified and contains naturally-occurring BCAAs and glutamine, making it ideal for muscle repair. Additionally, it is low in sugar and fat, allowing you to enjoy your protein without unnecessary calories. Available in a variety of sizes and flavours, it offers convenience for your daily routine.

What We Like
Fast-absorbing muscle support
Low in sugar and fat
Variety of flavours available
Convenient mixing options
#TOP 9

Optimum Nutrition Serious Mass High Calorie Gainer

1031919
Strawberry
2.73 kg (Pack of 1)
Optimum Nutrition Serious Mass High Calorie Gainer Cover
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Strawberry, 8 Servings, 2.73 kg, Packaging May Vary

Serious Mass Protein Powder is a low fat mass gainer designed to help you achieve your muscle growth goals. With over 1250 calories and 50g of protein per serving, it delivers essential nutrients to support your workouts. The formula also includes 3g of creatine monohydrate, enhancing your performance during training. Additionally, it boasts 25 vitamins and minerals along with less than 5g of fat per serving, ensuring a balanced intake for muscle recovery and overall health.

What We Like
High calorie content
Supports muscle growth
No added sugars
Variety of flavours
Easy to prepare

Warrior Whey Protein Powder - Double Chocolate

B201
Double Chocolate
1 kg (Pack of 1)
Warrior Whey Protein Powder - Double Chocolate Cover
Warrior Whey Protein Powder – Up to 36g* of Protein Per Shake – Low Sugar, and Low Carbs – GMP Certified (Double Chocolate, 1kg)

The Warrior Whey Protein offers a robust 36g of protein per 50g serving, making it ideal for muscle recovery and growth. With low carbs and sugar, it serves as a perfect meal replacement for those aiming to lose weight while building muscle. You can adjust your portion size based on your fitness goals, whether you're leaning out or focusing on lean gains. This whey protein digests quickly and is rich in BCAAs, ensuring that you effectively promote muscle growth and recovery after workouts.

What We Like
High protein content
Low in carbs and sugar
Tasty flavours available
Adjustable serving sizes
Supports muscle recovery
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Which protein is best for muscle gain?

Studies reveal that whey protein can help build and maintain muscle mass, assist athletes with recovery from heavy exercise and increase muscle strength in response to strength training ( 4 , 5 , 6 , 7 , 8 , 9 ).

Editor's Notes

During our muscle gain whey protein powder research, we found 169 muscle gain whey protein powder products and shortlisted 10 quality products. We collected and analyzed 2,565,727 customer reviews through our big data system to write the muscle gain whey protein powders list. We found that most customers choose muscle gain whey protein powders with an average price of £21.46.

The muscle gain whey protein powders are available for purchase. We have researched hundreds of brands and picked the top brands of muscle gain whey protein powders, including Optimum Nutrition, The Bulk Protein Company, Warrior.

Written by
Phoebe Cooper Avatar

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."