Best Optimum Nutrition Shake of 2026

Last updated on 04/04/2026

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Best Choice

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 16 Servings, 5.45 kg

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 16 Servings, 5.45 kg

Optimum Nutrition

12% Off

Why we love it

Supports muscle growth and performance.
Promotes muscle recovery after workouts.
Comes in 6 delicious flavours.

Main Highlights

Low fat mass gainer with over 1262 CALORIES and 50g of PROTEIN per serving to support muscle growth* plus 3 grams of CREATINE MONOHYDRATE to support performance**
No added sugar protein powder formula with 25 vitamins and minerals and less than 5g fat per serving, plus over 248 grams of CARBOHYDRATES helping support muscle recovery***
Serious Mass protein powder comes in 6 flavours (banana, chocolate peanut butter, chocolate, cookies & cream, strawberry and vanilla) & contains sweetener
To prepare weight gainer mix 2 scoops with 710 ml of water or plant milk, add fruit or nut butters for a tasty and calorific post workout or between meals protein smoothie
Source EFSA Journal *2010;8(10):1811; 2011;9(6):2203; ** 2011;9(7):2303; ***2011; 9(7):2303

9.8

Exceptional

9.8

Exceptional

Optimum Nutrition

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 16 Servings, 5.45 kg

12% Off

Why we love it

Supports muscle growth and performance.
Promotes muscle recovery after workouts.
Comes in 6 delicious flavours.

Main Highlights

Low fat mass gainer with over 1262 CALORIES and 50g of PROTEIN per serving to support muscle growth* plus 3 grams of CREATINE MONOHYDRATE to support performance**
No added sugar protein powder formula with 25 vitamins and minerals and less than 5g fat per serving, plus over 248 grams of CARBOHYDRATES helping support muscle recovery***
Serious Mass protein powder comes in 6 flavours (banana, chocolate peanut butter, chocolate, cookies & cream, strawberry and vanilla) & contains sweetener
To prepare weight gainer mix 2 scoops with 710 ml of water or plant milk, add fruit or nut butters for a tasty and calorific post workout or between meals protein smoothie
Source EFSA Journal *2010;8(10):1811; 2011;9(6):2203; ** 2011;9(7):2303; ***2011; 9(7):2303

Value for Money

Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Chocolate Flavour, 31 Servings, 930 g

Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Chocolate Flavour, 31 Servings, 930 g

Optimum Nutrition

13% Off

Why we love it

Supports lean muscle gain.
Ultra-filtered for exceptional purity.
Perfect for workout recovery.

Main Highlights

Gold Standard whey protein powder contains 25g (83%) of high quality 100% pure whey isolate protein blend per serving to suport lean muscle gain*
Whey protein isolate is ultra-filtered for exceptional purity; it supports the growth and maintenance of muscle mass & the maintenance of normal bones*
Informed Choice certified ON whey protein powder contains low sugar (0.3 g), low fat (0.4 g) and 5.5 g of naturally occurring essential amino acids, BCAAs, per serving
This high protein powder is perfect as a protein shake, pre workout and post workout for both men and women; comes in vanilla, chocolate and strawberry flavours
To create perfect protein drinks, add 30 g (1 rounded scoop) to 200 ml of cold water and mix well

Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Chocolate Flavour, 31 Servings, 930 g

13% Off

Why we love it

Supports lean muscle gain.
Ultra-filtered for exceptional purity.
Perfect for workout recovery.

Main Highlights

Gold Standard whey protein powder contains 25g (83%) of high quality 100% pure whey isolate protein blend per serving to suport lean muscle gain*
Whey protein isolate is ultra-filtered for exceptional purity; it supports the growth and maintenance of muscle mass & the maintenance of normal bones*
Informed Choice certified ON whey protein powder contains low sugar (0.3 g), low fat (0.4 g) and 5.5 g of naturally occurring essential amino acids, BCAAs, per serving
This high protein powder is perfect as a protein shake, pre workout and post workout for both men and women; comes in vanilla, chocolate and strawberry flavours
To create perfect protein drinks, add 30 g (1 rounded scoop) to 200 ml of cold water and mix well

Optimum Nutrition Serious Mass Protein Powder with Creatine, Glutamine, 25 Vitamins and Minerals, Vanilla Flavour, 16 Servings, 5.45KG

Optimum Nutrition Serious Mass Protein Powder with Creatine, Glutamine, 25 Vitamins and Minerals, Vanilla Flavour, 16 Servings, 5.45KG

Optimum Nutrition

12% Off

Why we love it

Supports muscle growth and performance.
Promotes recovery with essential nutrients.
Offers tasty, customizable protein smoothies.

Main Highlights

PACKAGING MAY VARY: New look, with the same trusted Quality!
Mass gainer with whopping 1250 CALORIES and 50g of PROTEIN per serving. Contains less than 5g fat!
Comes as an instantised powder. Mix with fruit or nut butters for a tasty and calorific post-workout drink or take between meals to ENCOURAGE MUSCLE GROWTH
PROUDLY CONTAINS NO ADDED SUGAR! Boasts 24 vitamins and minerals per serving
GREAT VALUE FOR MONEY. Serious Mass protein powder delivers a high-calorie content and quality protein at competitive rates
Provides calories, ENCOURAGING WEIGHT GAIN and refuels body’s glycogen stores

Optimum Nutrition Serious Mass Protein Powder with Creatine, Glutamine, 25 Vitamins and Minerals, Vanilla Flavour, 16 Servings, 5.45KG

12% Off

Why we love it

Supports muscle growth and performance.
Promotes recovery with essential nutrients.
Offers tasty, customizable protein smoothies.

Main Highlights

PACKAGING MAY VARY: New look, with the same trusted Quality!
Mass gainer with whopping 1250 CALORIES and 50g of PROTEIN per serving. Contains less than 5g fat!
Comes as an instantised powder. Mix with fruit or nut butters for a tasty and calorific post-workout drink or take between meals to ENCOURAGE MUSCLE GROWTH
PROUDLY CONTAINS NO ADDED SUGAR! Boasts 24 vitamins and minerals per serving
GREAT VALUE FOR MONEY. Serious Mass protein powder delivers a high-calorie content and quality protein at competitive rates
Provides calories, ENCOURAGING WEIGHT GAIN and refuels body’s glycogen stores

Optimum Nutrition Platinum Hydro Whey, Hydrolysed Whey Protein Isolate Powder with Essential Amino Acids, Glutamine and BCAA, Milk Chocolate Flavour, 40 Servings, 1.6 kg

Optimum Nutrition Platinum Hydro Whey, Hydrolysed Whey Protein Isolate Powder with Essential Amino Acids, Glutamine and BCAA, Milk Chocolate Flavour, 40 Servings, 1.6 kg

Optimum Nutrition

6% Off

Why we love it

Supports your active fitness routine.
Low in sugars and fat.
Easy to mix formula.

Main Highlights

OPTIMUM NUTRITION PLATINUM HYDROWHEY - ADVANCED HYDROLYSED WHEY PROTEIN ISOLATES – Contains 30 g of the fastest digesting protein available
ANY-TIME FORMULA – great before or after exercise, between meals, with a meal, or any time of day where you need extra protein in your nutrition
8.8 g of naturally occurring and added BCAAs
EASY MIXING
THE MOST ADVANCED WHEY PROTEIN FROM ON
LOW in FAT: 0.3 g – 0.4 g, per serving

Optimum Nutrition Platinum Hydro Whey, Hydrolysed Whey Protein Isolate Powder with Essential Amino Acids, Glutamine and BCAA, Milk Chocolate Flavour, 40 Servings, 1.6 kg

6% Off

Why we love it

Supports your active fitness routine.
Low in sugars and fat.
Easy to mix formula.

Main Highlights

OPTIMUM NUTRITION PLATINUM HYDROWHEY - ADVANCED HYDROLYSED WHEY PROTEIN ISOLATES – Contains 30 g of the fastest digesting protein available
ANY-TIME FORMULA – great before or after exercise, between meals, with a meal, or any time of day where you need extra protein in your nutrition
8.8 g of naturally occurring and added BCAAs
EASY MIXING
THE MOST ADVANCED WHEY PROTEIN FROM ON
LOW in FAT: 0.3 g – 0.4 g, per serving

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

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

Optimum Nutrition

8% Off

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 perfect alternative to your daily protein bar
Improve muscle gain and contribute to the maintenance of muscle mass and normal bones**
50 g of protein per 500 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
Available in three tasty flavours: vanilla, strawberry, chocolate

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

8% Off

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 perfect alternative to your daily protein bar
Improve muscle gain and contribute to the maintenance of muscle mass and normal bones**
50 g of protein per 500 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
Available in three tasty flavours: vanilla, strawberry, chocolate

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

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

Optimum Nutrition

22% Off

Why we love it

High protein, low fat content.
No added sugars.
Supports active lifestyles.

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 500ml milkshake contains 50g 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

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

22% Off

Why we love it

High protein, low fat content.
No added sugars.
Supports active lifestyles.

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 500ml milkshake contains 50g 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

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

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

Optimum Nutrition

12% Off

Why we love it

High protein, low sugar content.
Convenient for on-the-go nutrition.
Three delicious flavors to enjoy.

Main Highlights

Delicious high protein shakes ready to drink from Optimum Nutrition, the alternative to your daily protein bar
Improve muscle gain and contribute to the maintenance of muscle mass and normal bones**
50 g of protein per 500 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
Available in three tasty flavours: vanilla, strawberry, chocolate

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

12% Off

Why we love it

High protein, low sugar content.
Convenient for on-the-go nutrition.
Three delicious flavors to enjoy.

Main Highlights

Delicious high protein shakes ready to drink from Optimum Nutrition, the alternative to your daily protein bar
Improve muscle gain and contribute to the maintenance of muscle mass and normal bones**
50 g of protein per 500 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
Available in three tasty flavours: vanilla, strawberry, chocolate

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 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

18% Off

Why we love it

Supports muscle gain and recovery.
Certified, low-sugar protein formula.
Variety of sizes, flavors.

Main Highlights

Optimum Nutrition’s Gold Standard 100% WHEY is the world’s best-selling protein powder* designed to support your fitness journey from day one.
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps with muscle gain and supports recovery* after every training session.
The ON whey protein formula is Informed Choice certified, contains naturally-occurring BCAAs and GLUTAMINE and is LOW IN SUGAR and fat.
Available in a VARIETY OF SIZES and FLAVOURS: double rich chocolate, banana cream, vanilla ice cream, unflavored protein powder and more.
EASY & CONVENIENT: mix one scoop in 180-240 ml of cold water; best enjoyed in the morning or/and during the 30 minutes just before or immediately after training.
Source: Euromonitor International Limited; Consumer Health 2023 edition, Sports Protein Powder category, % retail value shares, 2022 data.

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

18% Off

Why we love it

Supports muscle gain and recovery.
Certified, low-sugar protein formula.
Variety of sizes, flavors.

Main Highlights

Optimum Nutrition’s Gold Standard 100% WHEY is the world’s best-selling protein powder* designed to support your fitness journey from day one.
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps with muscle gain and supports recovery* after every training session.
The ON whey protein formula is Informed Choice certified, contains naturally-occurring BCAAs and GLUTAMINE and is LOW IN SUGAR and fat.
Available in a VARIETY OF SIZES and FLAVOURS: double rich chocolate, banana cream, vanilla ice cream, unflavored protein powder and more.
EASY & CONVENIENT: mix one scoop in 180-240 ml of cold water; best enjoyed in the morning or/and during the 30 minutes just before or immediately after training.
Source: Euromonitor International Limited; Consumer Health 2023 edition, Sports Protein Powder category, % retail value shares, 2022 data.

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 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

13% Off

Why we love it

Supports fitness journey from start.
Aids muscle gain and recovery.
Variety of sizes and flavors.

Main Highlights

Optimum Nutrition’s Gold Standard 100% WHEY is the world’s best-selling protein powder* designed to support your fitness journey from day one
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps with muscle gain and supports recovery* after every training session
The ON whey protein formula is Informed Choice certified, contains naturally-occurring BCAAs and GLUTAMINE and is LOW IN SUGAR and fat
Available in a VARIETY OF SIZES and FLAVOURS: double rich chocolate, banana cream, vanilla ice cream, unflavored protein powder and more
EASY & CONVENIENT: mix one scoop in 180-240 ml of cold water; best enjoyed in the morning or/and during the 30 minutes just before or immediately after training

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

13% Off

Why we love it

Supports fitness journey from start.
Aids muscle gain and recovery.
Variety of sizes and flavors.

Main Highlights

Optimum Nutrition’s Gold Standard 100% WHEY is the world’s best-selling protein powder* designed to support your fitness journey from day one
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps with muscle gain and supports recovery* after every training session
The ON whey protein formula is Informed Choice certified, contains naturally-occurring BCAAs and GLUTAMINE and is LOW IN SUGAR and fat
Available in a VARIETY OF SIZES and FLAVOURS: double rich chocolate, banana cream, vanilla ice cream, unflavored protein powder and more
EASY & CONVENIENT: mix one scoop in 180-240 ml of cold water; best enjoyed in the morning or/and during the 30 minutes just before or immediately after training

Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Vanilla Ice Cream Flavour, 30 Servings, 900 g

Optimum Nutrition

26% Off

Why we love it

Promotes muscle gain and recovery.
Variety in sizes and flavors.
Certified low sugar, high protein.

Main Highlights

Optimum Nutrition’s Gold Standard 100% WHEY is the world’s best-selling protein powder* designed to support your fitness journey from day one
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps with muscle gain and supports recovery* after every training session
The ON whey protein formula is Informed Choice certified, contains naturally-occurring BCAAs and GLUTAMINE and is LOW IN SUGAR and fat
Available in a VARIETY OF SIZES and FLAVOURS: double rich chocolate, banana cream, vanilla ice cream, unflavored protein powder and more
EASY & CONVENIENT: mix one scoop in 180-240 ml of cold water; best enjoyed in the morning or/and during the 30 minutes just before or immediately after training

Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Vanilla Ice Cream Flavour, 30 Servings, 900 g

26% Off

Why we love it

Promotes muscle gain and recovery.
Variety in sizes and flavors.
Certified low sugar, high protein.

Main Highlights

Optimum Nutrition’s Gold Standard 100% WHEY is the world’s best-selling protein powder* designed to support your fitness journey from day one
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps with muscle gain and supports recovery* after every training session
The ON whey protein formula is Informed Choice certified, contains naturally-occurring BCAAs and GLUTAMINE and is LOW IN SUGAR and fat
Available in a VARIETY OF SIZES and FLAVOURS: double rich chocolate, banana cream, vanilla ice cream, unflavored protein powder and more
EASY & CONVENIENT: mix one scoop in 180-240 ml of cold water; best enjoyed in the morning or/and during the 30 minutes just before or immediately after training

We scanned 263 products

We reviewed these offers relevant to the Optimum Nutrition Shake 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, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Optimum Nutrition Shake in the market, we considered we took a deep dive into 1316 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 Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 16 Servings, 5.45 kg. We love many things about this product by Optimum Nutrition. What sets it apart from the competition is Supports muscle growth and performance. , Promotes muscle recovery after workouts. , Comes in 6 delicious flavours.
The best value product for most shoppers and where user satisfaction is continuously the highest is Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Chocolate Flavour, 31 Servings, 930 g by Optimum Nutrition based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Optimum Nutrition Shake and the best cost-to-value ratio is Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Vanilla Ice Cream Flavour, 30 Servings, 900 gat Optimum Nutrition with a 26% discount.
Our list of the best Optimum Nutrition Shake 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.