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5 Best Lowest Calorie Protein Powders of 2026

Last Updated - 2026/04/04

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Optimum Nutrition

Optimum Nutrition Gold Standard Pro Gainer | High Protein & Calorie Powder | 650 Calories, 60g Protein, 82g Carbohydrates | 14 Servings, 5.09LB (Vanilla Custard)

Optimum Nutrition

CA$134.99

More Details
Main highlights
- Versatile Nutrition Option: Ideal for adding protein and calories between meals or as part of a regular food routine, Pro Gainer fits naturally into a wide range of daily schedules and preferences.
- Smooth Mixing for Easy Preparation: Pro Gainer blends quickly with water, milk or other beverages using a blender, shaker or spoon, making it simple to enjoy at home or on the go.
- High Protein and Calorie Blend: Gold Standard Pro Gainer delivers 60 grams of protein and 650 calories per serving, offering a convenient way to add more nourishment to your daily nutrition plan.
- Delicious Flavor Options: Available in Double Chocolate and Vanilla Custard, Pro Gainer offers a smooth texture and enjoyable taste that complements shakes, smoothies and other recipes.
- Carbohydrate Support for Daily Intake: Each serving includes more than 81 grams of carbohydrates, giving you a balanced macronutrient profile that fits easily into food routines and meal planning.
CA$134.99
2
Best Value

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Boost

Boost Just Protein Unflavored Whey Protein Powder, 227g Canister, 6 Count 6 Canisters

Boost

CA$131.82

More Details
Main highlights
- Unflavored whey protein powder
- Only 80 calories per serving with 0 fat and 0 Sugar
- No added flavor, colour, or sweetener
- Made with only two ingredients
- 18G of protein per serving
CA$131.82
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Limitless Pharma

Limitless Pharma Pure Whey Isolate | High Protein Whey Isolate Powder | 27g Protein, 6g BCAAs, Sugar Free, Gluten Free, Low Carb, Low Lactose | 30 Servings, 2LB (Vanilla)

Limitless Pharma

CA$67.99

More Details
Main highlights
- Ultra-Filtered Isolate for Clean, Low-Carb Nutrition: This high protein isolate powder is micro-filtered for purity, removing excess lactose, fat, sugar, and carbs to provide a low-calorie, keto-friendly option that’s perfect for clean bulking, cutting, or everyday use.
- High Bioavailability with EAAs and BCAAs: Packed with a full spectrum of EAAs and 6g of BCAAs, Pure Whey Isolate offers high bioavailability and clean protein delivery to help build lean muscle, prevent breakdown, and fuel athletic performance without bloating.
- Flavours That Taste as Good as They Perform: Enjoy 10 delicious flavours with smooth mixability, clean taste, and satisfying texture, making it easy to stay consistent with your protein intake in shakes, smoothies, oats, or high-protein recipes.
- Fast-Digesting, Gluten-Free, and Electrolyte Enriched: Formulated for easy digestion and rapid absorption, this gluten-free whey protein also delivers essential electrolytes like calcium, potassium, and sodium to support hydration, energy metabolism, and recovery.
- 27g Whey Isolate Protein + 6g BCAAs per Serving: Limitless Pharma Pure Whey Isolate delivers 27g of ultra-clean protein and 6g of naturally occurring BCAAs to support lean muscle growth, post-workout recovery, and high-performance training with just 112 calories per scoop.
CA$67.99
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Limitless Pharma

Limitless Pharma Pure Whey Isolate | High Protein Whey Isolate Powder | 27g Protein, 6g BCAAs, Sugar Free, Gluten Free, Low Carb, Low Lactose | 30 Servings, 2LB (Maple Brown Sugar)

Limitless Pharma

CA$67.99

More Details
Main highlights
- Ultra-Filtered Isolate for Clean, Low-Carb Nutrition: This high protein isolate powder is micro-filtered for purity, removing excess lactose, fat, sugar, and carbs to provide a low-calorie, keto-friendly option that’s perfect for clean bulking, cutting, or everyday use.
- High Bioavailability with EAAs and BCAAs: Packed with a full spectrum of EAAs and 6g of BCAAs, Pure Whey Isolate offers high bioavailability and clean protein delivery to help build lean muscle, prevent breakdown, and fuel athletic performance without bloating.
- Flavours That Taste as Good as They Perform: Enjoy 10 delicious flavours with smooth mixability, clean taste, and satisfying texture, making it easy to stay consistent with your protein intake in shakes, smoothies, oats, or high-protein recipes.
- Fast-Digesting, Gluten-Free, and Electrolyte Enriched: Formulated for easy digestion and rapid absorption, this gluten-free whey protein also delivers essential electrolytes like calcium, potassium, and sodium to support hydration, energy metabolism, and recovery.
- 27g Whey Isolate Protein + 6g BCAAs per Serving: Limitless Pharma Pure Whey Isolate delivers 27g of ultra-clean protein and 6g of naturally occurring BCAAs to support lean muscle growth, post-workout recovery, and high-performance training with just 112 calories per scoop.
CA$67.99
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Limitless Pharma

Limitless Pharma Pure Whey Isolate | High Protein Whey Isolate Powder | 27g Protein, 6g BCAAs, Sugar Free, Gluten Free, Low Carb, Low Lactose | 30 Servings, 2LB (Coconut Island)

Limitless Pharma

CA$67.99

More Details
Main highlights
- Ultra-Filtered Isolate for Clean, Low-Carb Nutrition: This high protein isolate powder is micro-filtered for purity, removing excess lactose, fat, sugar, and carbs to provide a low-calorie, keto-friendly option that’s perfect for clean bulking, cutting, or everyday use.
- High Bioavailability with EAAs and BCAAs: Packed with a full spectrum of EAAs and 6g of BCAAs, Pure Whey Isolate offers high bioavailability and clean protein delivery to help build lean muscle, prevent breakdown, and fuel athletic performance without bloating.
- Flavours That Taste as Good as They Perform: Enjoy 10 delicious flavours with smooth mixability, clean taste, and satisfying texture, making it easy to stay consistent with your protein intake in shakes, smoothies, oats, or high-protein recipes.
- Fast-Digesting, Gluten-Free, and Electrolyte Enriched: Formulated for easy digestion and rapid absorption, this gluten-free whey protein also delivers essential electrolytes like calcium, potassium, and sodium to support hydration, energy metabolism, and recovery.
- 27g Whey Isolate Protein + 6g BCAAs per Serving: Limitless Pharma Pure Whey Isolate delivers 27g of ultra-clean protein and 6g of naturally occurring BCAAs to support lean muscle growth, post-workout recovery, and high-performance training with just 112 calories per scoop.
CA$67.99

5 Best Lowest Calorie Protein Powders of 2026

Optimum Nutrition Gold Standard Pro Gainer | High Protein & Calorie Powder | 650 Calories, 60g Protein, 82g Carbohydrates | 14 Servings, 5.09LB (Vanilla Custard)

Boost Just Protein Unflavored Whey Protein Powder, 227g Canister, 6 Count 6 Canisters

Limitless Pharma Pure Whey Isolate | High Protein Whey Isolate Powder | 27g Protein, 6g BCAAs, Sugar Free, Gluten Free, Low Carb, Low Lactose | 30 Servings, 2LB (Vanilla)

Limitless Pharma Pure Whey Isolate | High Protein Whey Isolate Powder | 27g Protein, 6g BCAAs, Sugar Free, Gluten Free, Low Carb, Low Lactose | 30 Servings, 2LB (Maple Brown Sugar)

Limitless Pharma Pure Whey Isolate | High Protein Whey Isolate Powder | 27g Protein, 6g BCAAs, Sugar Free, Gluten Free, Low Carb, Low Lactose | 30 Servings, 2LB (Coconut Island)

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Optimum Nutrition Gold Standard Pro Gainer | High Protein & Calorie Powder | 650 Calories, 60g Protein, 82g Carbohydrates | 14 Servings, 5.09LB (Vanilla Custard)

Boost Just Protein Unflavored Whey Protein Powder, 227g Canister, 6 Count 6 Canisters

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