Best Muscle Gain Whey Protein Powders of 2025

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 2 Feb 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

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 Serious Mass High Calorie Gainer Cover #TOP 3
Optimum Nutrition Serious Mass High Calorie Gainer
ftb score rating icon 9.6

Top 10 Muscle Gain Whey Protein Powders

Optimum Nutrition Gold Standard Whey Protein Powder

1031669-P
Banana 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, Banana Cream Flavour, 30 Servings, 900 g

Optimum Nutrition Whey Protein is a top-selling protein powder designed to enhance your fitness journey from the outset. It features fast-absorbing whey protein isolate, which aids in muscle gain and supports recovery after your workouts. The formula is certified by Informed Choice, ensuring quality, and is low in sugar and fat, making it a healthier option. With naturally occurring BCAAs and glutamine, it provides essential amino acids for improved performance. Mixing one scoop into cold water is easy, ideal for a morning boost or post-workout refreshment.

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

Optimum Nutrition Gold Standard Whey Protein Powder

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, Delicious Strawberry, 76 Servings, 2.28kg, packaging may vary

Optimum Nutrition Whey Protein is a top-selling protein powder that supports your fitness journey from the very start. With fast-absorbing whey protein isolate as its main ingredient, it aids muscle gain and recovery after each training session. This formula is Informed Choice certified and includes naturally-occurring BCAAs and glutamine, making it a smart choice for your nutrition. It is also low in sugar and fat, helping you maintain a balanced diet while enjoying a delicious taste.

What We Like
Supports muscle gain
Fast recovery after workouts
Low in sugar and fat
Multiple flavours available
Easy to mix and convenient

Optimum Nutrition Serious Mass High Calorie Gainer

1031919
Strawberry
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
#TOP 4

The Bulk Protein Company Serious Gainz Whey Protein

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

The Serious Gainz Protein Powder offers 30 grams of high-quality protein per serving, helping you build muscle effectively. With 468 lean calories and 81 grams of carbohydrates per serving, it supports weight gain and enhances body composition when bulking. You can enjoy a delicious protein shake by mixing it with water or milk, or incorporate it into smoothies and pancakes for variety. Additionally, this whey protein digests quickly, providing essential amino acids to promote muscle growth and recovery after workouts.

What We Like
High protein content per serving
Supports muscle gain effectively
Tasty and versatile flavours
Quick digestion for recovery
Great value for money
#TOP 5

Mutant Mass Extreme Gainer Whey Protein Powder

FID73205
Mutant Mass Extreme Gainer Whey Protein Powder Cover
Mutant Mass Extreme Gainer Whey Protein Powder, Build Muscle Size & Strength with High-Density Clean Calories, 6 lbs. (2.72 kg) (Cookies and Cream)

The Mutant Mass Gainer is specially designed for extreme hard gainers who want to significantly increase their muscle size. Each serving delivers an impressive 1,270 calories when mixed with milk, helping you reach your calorie goals easily. It’s made with natural whole foods like barley and sweet potato, ensuring you receive quality nutrition. With 46 grams of pure whey protein per serving, you’ll be supporting your muscle growth effectively after intense training sessions.

What We Like
High-calorie content for weight gain
Natural whole food ingredients
Rich in protein for muscle growth
Gourmet taste for enjoyable consumption

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, 146 Servings, 4.53 kg

Optimum Nutrition Whey Protein is a top-selling supplement that supports your fitness journey right from the start. With fast-absorbing whey protein isolate as its main ingredient, it aids muscle gain and recovery after your training sessions. This protein powder is certified by Informed Choice and contains naturally occurring BCAAs and glutamine, ensuring you get the nutrients your body needs without excess sugar or fat. Available in various sizes and flavours, it offers flexibility to suit your taste and lifestyle.

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

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, Delicious Strawberry Flavour, 15 Servings, 450 g

Optimum Nutrition Whey Protein is a top choice for anyone on a fitness journey. It features fast-absorbing whey protein isolate, which aids in muscle gain and recovery after training sessions. The formula is Informed Choice certified and is low in sugar and fat, ensuring you get the nutrients you need without unwanted extras. With naturally-occurring BCAAs and glutamine, it supports your body’s performance and recovery effectively. You can enjoy it in various sizes and flavours, making it easy to incorporate into your routine.

What We Like
World's best-selling protein powder
Supports muscle gain and recovery
Low in sugar and fat
Easy to mix and enjoy
Variety of flavours available
#TOP 8

Optimum Nutrition Gold Standard Whey Protein

Optimum Nutrition Gold Standard Whey Protein Cover
Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder with Naturally Occurring Glutamine and BCAA Amino Acids, Salted Caramel Flavour, 76 Servings, 2.28 kg

Optimum Nutrition Whey is a top-selling protein powder that supports your fitness goals from the very start. Its fast-absorbing whey protein isolate aids muscle gain and recovery after your training sessions. The formula is Informed Choice certified and includes naturally occurring BCAAs and glutamine, making it a low-sugar and low-fat option. With a variety of sizes and flavours available, you can easily find one that suits your taste. Simply mix one scoop in water for a convenient pre- or post-workout boost.

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

Optimum Nutrition Serious Mass Protein Powder

Optimum Nutrition Serious Mass Protein Powder Cover
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate Peanut Butter, 16 Servings, 5.45 kg, Packaging May Vary

Serious Mass Protein Powder is an excellent choice for those looking to gain weight and build muscle. Each serving provides over 1250 calories and 50 grams of protein, ensuring you have the nutrients needed for muscle growth. It also contains 3 grams of creatine monohydrate, which can enhance your workout performance. With less than 5 grams of fat and no added sugar, it includes 25 essential vitamins and minerals to support your overall health. The high carbohydrate content helps with muscle recovery, making it ideal for post-workout nutrition.

What We Like
High calorie content
Supports muscle growth
No added sugar
Contains vitamins and minerals
Multiple flavours available

Serious Protein Powder for Lean Muscle Growth

B150
Cookies & Cream
Serious Protein Powder for Lean Muscle Growth Cover
SERIOUS PROTEIN – Protein Powder – 4kg – Low Carb – Supports Lean Muscle Growth – Recovery Supplement - The Bulk Protein Company - 133 Servings (Cookies & Cream)

Serious Protein Powder offers an impressive 24g of protein per serving, making it ideal for supporting your lean muscle growth. With only 114 calories and low carbs, it fits perfectly into a calorie-controlled diet while helping you add lean mass. The premium blend of whey protein, micellar casein, and soy protein ensures your body receives both fast and slow-releasing proteins for optimal recovery. Enjoy a delicious shake or mix it into your smoothies and oats for a convenient protein boost throughout the day.

What We Like
High protein content
Low in calories and carbs
Great taste and versatility
Excellent value for money
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 155 muscle gain whey protein powder products and shortlisted 10 quality products. We collected and analyzed 1,185,700 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 £29.71.

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, Mutant.

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."