Top 10 Diet Whey Protein Powder

Discover our curated selection of high-quality products.

Last update: 12-07-2026

Best Supplements overall →
1
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

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’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
  • ** Source EFSA Journal 2010;8(10):1811; 2011;9(6):2203
9.6/10
Editor's Pick
Available at Amazon
2
Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Double Rich Chocolate Flavour, 73 Servings, 2.26 kg
Optimum Nutrition

Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Double Rich Chocolate Flavour, 73 Servings, 2.26 kg

  • 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
  • ** Source EFSA Journal 2010;8(10):1811; 2011;9(6):2203
9.5/10
Available at Amazon
3
PhD Nutrition Diet Whey Low Calorie Protein Powder, Low Carb, High Protein Lean Matrix, Vanilla Crème Diet Whey Protein Powder, High Protein, 80 Servings Per 2 kg Bag
PhD

PhD Nutrition Diet Whey Low Calorie Protein Powder, Low Carb, High Protein Lean Matrix, Vanilla Crème Diet Whey Protein Powder, High Protein, 80 Servings Per 2 kg Bag

  • Comprehensive Fitness Support: PhD Diet Whey is a perfect blend of proteins and fat-burning ingredients; ideal for building and maintaining lean muscle whilst keeping you satiated for longer
  • High-Quality Protein Content: 16g of protein per serving from diverse sources offer a drip feed effect of essential amino acids; Macro-friendly with less than 3g carbs and 100 calories per serving.
  • Enhanced Fat Loss: Contains flaxseeds, CLA, L-carnitine, and green tea extract; ideal for those striving to keep body fat low while building or preserving lean muscle mass
  • Eco-friendly packaging: Opting for PhD Diet Whey is a step towards environmental sustainability as it comes in 100% recyclable packaging
  • Versatile: The PhD Whey Protein Powder can be consumed at any time and is particularly favored in smoothies; helps curb hunger cravings as it offers feelings of satiety in between meals.
9.1/10
Available at Amazon
4
Bulk Pure Whey Protein Powder Shake, Vanilla, 1 kg, Packaging May Vary
Bulk

Bulk Pure Whey Protein Powder Shake, Vanilla, 1 kg, Packaging May Vary

  • A first-class, award-winning protein shake for everyday training
  • Packed with at least 22 g protein and 5 g naturally occurring BCAA (branched chain amino acids) in each serving
  • Whey protein sourced from the milk of European, grass-fed cows
  • Low in sugar and low in fat, a winning protein shake for everyday training
  • Available in a range of delicious flavours, this is your perfect training partner
9.0/10
Bestseller
Available at Amazon
5
Warrior Whey Protein Powder 500g - Up to 36g* Protein per Shake – Low Sugar - Muscle Growth and Recovery Drink - Amazing Taste - 20 Servings - GMP Certified (Strawberry Milkshake)
Warrior

Warrior Whey Protein Powder 500g - Up to 36g* Protein per Shake – Low Sugar - Muscle Growth and Recovery Drink - Amazing Taste - 20 Servings - GMP Certified (Strawberry Milkshake)

  • 36g PROTEIN PER 50g SERVING TO HELP BUILD MUSCLE - Use after training to quickly heal micro-tears in muscle tissues, speed up recovery, and reduce muscle soreness for STRONGER and BIGGER muscles over time.
  • LOW CARB & LOW IN SUGAR - Warrior Whey is HIGH in protein but low in Carbohydrates, Fats, and Sugar. Ideal to use as a meal replacement as part of a calorie-controlled diet while trying to lean out, and Ideal for those simply looking to BUILD MUSCLE and BURN FAT at the same time.
  • USE ANY DAY FOR DIFFERENT GOALS - Portion size can be increased or decreased depending on your training goals. For LEANING OUT, use 1 scoop mixed with 200ml water to create a low-carb Protein Shake. For LEAN GAINS, use 2 scoops instead.
  • WHEY PROTEIN - Whey digests quickly and is rich in branched-chain amino acids (BCAAs) which play a major role in promoting MUSCLE GROWTH and RECOVERY after resistance and endurance exercise. BCAAs are the building blocks for muscle protein synthesis, which is the creation of new muscle.
  • PROTEIN SHAKE THAT TASTES GREAT - Available in super tasty flavours: Double Chocolate, Strawberry crème, Vanilla Ice Cream, White Chocolate, Coconut, Salted Caramel, and Unflavoured Unlike other bland protein shakes, ours taste DELICIOUS Can also be added to smoothies, oats, or pancake mix to create high-protein meals.
8.9/10
Available at Amazon
6
USN Diet Fuel Ultralean Meal Replacement Shake Powder (Strawberry, 2kg - 36 Servings/Meals) Tasty High Protein Shake To Feel Full For Longer, Weight Control Powder, Drink Mix With 25g Protein
USN

USN Diet Fuel Ultralean Meal Replacement Shake Powder (Strawberry, 2kg - 36 Servings/Meals) Tasty High Protein Shake To Feel Full For Longer, Weight Control Powder, Drink Mix With 25g Protein

  • USN HIGH PROTEIN SHAKE POWDER: Use Diet Fuel Meal Replacement Shakes to help you reach your weight-loss goals. Perfect support for a low-calorie diet - a quick & easy way to get what your body needs, without the calories. Packed with 24 Vitamins & Minerals.
  • YOUR NEW MORNING ROUTINE: Get your day off to the best possible start with these fantastic, and delicious, USN Meal Replacement Shakes. You don’t need to go without breakfast to help you lose weight - one quick shake and you are ready to take on the day!
  • FEEL FULL FOR LONGER: USN’s meal replacement powder has been specially formulated by a dedicated team to ensure you feel full for longer, reducing the need to snack or over-eat and supporting a reduced calorie diet - to help you reach your weight goals.
  • HIGH PROTEIN MEAL REPLACEMENT: Protein is absolutely vital if you are looking to lose weight. When we take protein on board, it triggers our satiety hormones, which make us feel full. USN meal replacement shakes have 25g of protein per serving.
  • ULTIMATE SPORTS NUTRITION: USN are at the forefront of sports nutrition research, making effective sports nutrition supplements for professional and non-professional athletes, pre or post workout. Science-driven nutrition so we can achieve together.
8.8/10
Available at Amazon
7
PhD Nutrition Diet Whey Lean Protein Powder | Belgian Chocolate Whey Protein Powder | 1kg Bag [ Packaging May Vary ]
PhD

PhD Nutrition Diet Whey Lean Protein Powder | Belgian Chocolate Whey Protein Powder | 1kg Bag [ Packaging May Vary ]

  • INFORMED PROTEIN Certified: Independently verified by Informed Protein for accurate protein content and quality. Trusted by athletes and tested to the highest standards for peace of mind
  • HIGH PROTEIN, Low Calorie: Now with 20g of high-quality protein per serving to support muscle maintenance in a calorie deficit. Only 125 calories and less than 5g of carbs per serving – ideal for lean muscle goals
  • FAT-LOSS SUPPORT Blend: Contains CLA, L-carnitine, green tea extract and flaxseed – active ingredients to support fat metabolism and maintain muscle
  • SATISFYING & EASY to MIX: Smooth texture, easy to shake, and satisfying taste. Helps curb hunger between meals and keeps you feeling fuller for longer throughout the day
  • SUSTAINABLE PACKAGING: Comes in 100% recyclable packaging – a smart choice for both your fitness goals and the environment
8.7/10
Available at Amazon
8
Myprotein Impact Whey Protein - Vanilla 1KG
Myprotein

Myprotein Impact Whey Protein - Vanilla 1KG

  • 21g protein per serving
  • 4.5g naturally - occurring BCAAs
  • Low in sugar
  • 103 calories per serving
8.6/10
Available at Amazon
9
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

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

  • 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
8.5/10
Available at Amazon
10
USN Diet Fuel Ultralean Meal Replacement Shake Powder, Strawberry Flavour - 1kg, High Protein Shake Powdered Drink Mix, Low Calorie Diet & Weight Control Powder, 25g Protein
USN

USN Diet Fuel Ultralean Meal Replacement Shake Powder, Strawberry Flavour - 1kg, High Protein Shake Powdered Drink Mix, Low Calorie Diet & Weight Control Powder, 25g Protein

  • USN Protein powder drink mix: High protein meal replacement shake powder to help support your weight loss goals. With added vitamins, each tasty diet shake you make can help you feel full for longer
  • Premium women's and men's supplements: USN diet supplements offer proven benefits, when taken alongside a balanced diet and healthy lifestyle. Always consult a healthcare professional first
  • USN meal replacement shakes: A tasty USN meal replacement beverage powder with 25g protein and under 210 calories. High fibre with essential vitamins and nutrients - simply add 2 scoops to cold water
  • Achieve your aims: 1kg of great tasting Strawberry flavour powdered protein, that can also be made up as a snack between meals, to help hit your daily protein goals and reduce sweet cravings
  • Ultimate Sports Nutrition: USN are at the forefront of sports nutrition research, making effective sports nutrition supplements for professional and non-professional athletes, pre or post workout
8.4/10
Available at Amazon

People Also Viewed

Warrior Whey Protein Powder – Up to 36g* of Protein Per Shake – Low Sugar, and Low Carbs – GMP Certified (Strawberry Crème, 1kg)

Warrior Whey Protein Powder – Up to 36g* of Protein Per Shake – Low Sugar, and Low Carbs – GMP Certified (Strawberry Crème, 1kg)

Applied Nutrition Critical Whey Protein Powder 900g - High Protein Powder, Protein Milkshake, Muscle Building Supplement with BCAAs & Glutamine (900g - 30 Servings) (Chocolate)

Applied Nutrition Critical Whey Protein Powder 900g - High Protein Powder, Protein Milkshake, Muscle Building Supplement with BCAAs & Glutamine (900g - 30 Servings) (Chocolate)

Amazon Brand - Amfit Nutrition Whey Protein Powder, Cookies & Cream Flavour, 33 Servings, 1 kg

Amazon Brand - Amfit Nutrition Whey Protein Powder, Cookies & Cream Flavour, 33 Servings, 1 kg

PBN - Premium Body Nutrition Diet Whey Vanilla 1kg Pouch

PBN - Premium Body Nutrition Diet Whey Vanilla 1kg Pouch

PhD Nutrition Diet Whey Low Calorie Protein Powder, Low Carb, High Protein Lean Matrix, Milk Chocolate Diet Whey Protein Powder, High Protein, 32 Servings Per 800g

PhD Nutrition Diet Whey Low Calorie Protein Powder, Low Carb, High Protein Lean Matrix, Milk Chocolate Diet Whey Protein Powder, High Protein, 32 Servings Per 800g

SCI-MX Diet Whey Protein Powder + Vitamins & Green Tea, CLA & L-Carnitine - Strawberry • Low Sugar • 22g Protein + 110 Calories per Serving • 800g

SCI-MX Diet Whey Protein Powder + Vitamins & Green Tea, CLA & L-Carnitine - Strawberry • Low Sugar • 22g Protein + 110 Calories per Serving • 800g

Applied Nutrition Diet Whey - High Protein Powder Supplement, Low Carb & Sugar, for Weight Management with CLA, L Carnitine, Green Tea (450g - 18 Servings) (Strawberry Milkshake)

Applied Nutrition Diet Whey - High Protein Powder Supplement, Low Carb & Sugar, for Weight Management with CLA, L Carnitine, Green Tea (450g - 18 Servings) (Strawberry Milkshake)

Applied Nutrition Diet Whey 1kg Bundle - Diet Whey High Protein Powder + 5 Sample Bundle + 750ml Steel Protein Shaker | Low Carb & Sugar, Weight Management Shake, 40 Servings (Strawberry)

Applied Nutrition Diet Whey 1kg Bundle - Diet Whey High Protein Powder + 5 Sample Bundle + 750ml Steel Protein Shaker | Low Carb & Sugar, Weight Management Shake, 40 Servings (Strawberry)

Premium Body Nutrition Whey Powder, 1 Kg (Pack of 1), Chocolate Flavor, Optimized Flavor

Premium Body Nutrition Whey Powder, 1 Kg (Pack of 1), Chocolate Flavor, Optimized Flavor

Amazon Brand - Amfit Nutrition Whey Protein Powder, Strawberry Flavour, 33 Servings, 1 kg (Pack of 1)

Amazon Brand - Amfit Nutrition Whey Protein Powder, Strawberry Flavour, 33 Servings, 1 kg (Pack of 1)

Popular Categories

Company

As an Amazon Associate we earn from qualifying purchases. We may earn a commission when you buy through links on our site.

Amazon and its logo are registered trademarks of Amazon.com, Inc. or its affiliated companies.

Copyright © 2026 by smarterfinder.com