10 Best gnc protein for muscle gain in Canada

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Last Updated - 2026/03/20

Best Choice

01
Optimum Nutrition

Optimum Nutrition Gold Standard Pro Gainer | High Protein & Calorie Powder | 650 Calories, 60g Protein, 82g Carbohydrates | 14 Servings, 5.09LB (Vanilla Custard)
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.
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9.6

Exceptional

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Value for Money

02
Optimum Nutrition

Optimum Nutrition Gold Standard Pro Gainer | High Protein & Calorie Powder | 650 Calories, 60g Protein, 82g Carbohydrates | 14 Servings, 5.09LB (Vanilla Custard)
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.
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9.3

Excellent

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03
Mutant

Mutant Mass Extreme Gainer Whey Protein Powder Build Muscle Size and Strength High Density Clean Calories 6 lbs Vanilla Ice Cream

8.4 worth the money

8.2 Taste
Main highlights

MADE WITH NATURAL WHOLE FOODS | Barley, sweet potato, rolled oats, avocado, coconut oil, pumpkin seeds.
EXTREMELY HIGH CALORIE WEIGHT GAIN | 1,270 calories per serving (4 scoops) mixed two cups of 1% milk. Two daily servings deliver 2,540 calories.
EACH SERVING DELIVERS | 46 grams of 100% pure whey protein, 255 grams of carbohydrates, 7.5 grams of fat per serving (4 scoops) mixed with two cups of 1% milk. Naturally high in BCAAs, EAAs, Glutamine and other amino acids needed to support muscle growth from hard training.
CRASH WEIGHT GAIN | Made for extreme hard gainers looking to add serious MASS!
100% GOURMET TASTE NPN 80094546
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9.2

Excellent

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04
Mutant

Mutant Mass Extreme Gainer Whey Protein Powder Build Muscle Size and Strength High Density Clean Calories 6 lbs Vanilla Ice Cream

8.4 worth the money

8.2 Taste
Main highlights

MADE WITH NATURAL WHOLE FOODS | Barley, sweet potato, rolled oats, avocado, coconut oil, pumpkin seeds.
EXTREMELY HIGH CALORIE WEIGHT GAIN | 1,270 calories per serving (4 scoops) mixed two cups of 1% milk. Two daily servings deliver 2,540 calories.
EACH SERVING DELIVERS | 46 grams of 100% pure whey protein, 255 grams of carbohydrates, 7.5 grams of fat per serving (4 scoops) mixed with two cups of 1% milk. Naturally high in BCAAs, EAAs, Glutamine and other amino acids needed to support muscle growth from hard training.
CRASH WEIGHT GAIN | Made for extreme hard gainers looking to add serious MASS!
100% GOURMET TASTE NPN 80094546
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9.1

Excellent

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05
Mutant

Mutant Mass Extreme Gainer Whey Protein Powder Build Muscle Size and Strength High Density Clean Calories 12 lbs Vanilla Ice Cream

8.7 worth the money

8.2 Taste
Main highlights

MADE WITH NATURAL WHOLE FOODS | Barley, sweet potato, rolled oats, avocado, coconut oil, pumpkin seeds.
EXTREMELY HIGH CALORIE WEIGHT GAIN | 1,270 calories per serving (4 scoops) mixed two cups of 1% milk. Two daily servings deliver 2,540 calories.
EACH SERVING DELIVERS | 46 grams of 100% pure whey protein, 255 grams of carbohydrates, 7.5 grams of fat per serving (4 scoops) mixed with two cups of 1% milk. Naturally high in BCAAs, EAAs, Glutamine and other amino acids needed to support muscle growth from hard training.
CRASH WEIGHT GAIN | Made for extreme hard gainers looking to add serious MASS!
100% GOURMET TASTE
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9.0

Excellent

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06
Mutant

Mutant Mass Extreme Gainer Whey Protein Powder Build Muscle Size and Strength High Density Clean Calories 12 lbs Vanilla Ice Cream

8.7 worth the money

8.2 Taste
Main highlights

MADE WITH NATURAL WHOLE FOODS | Barley, sweet potato, rolled oats, avocado, coconut oil, pumpkin seeds.
EXTREMELY HIGH CALORIE WEIGHT GAIN | 1,270 calories per serving (4 scoops) mixed two cups of 1% milk. Two daily servings deliver 2,540 calories.
EACH SERVING DELIVERS | 46 grams of 100% pure whey protein, 255 grams of carbohydrates, 7.5 grams of fat per serving (4 scoops) mixed with two cups of 1% milk. Naturally high in BCAAs, EAAs, Glutamine and other amino acids needed to support muscle growth from hard training.
CRASH WEIGHT GAIN | Made for extreme hard gainers looking to add serious MASS!
100% GOURMET TASTE
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8.9

Very Good

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07
Mutant

Mutant Mass Extreme Gainer Whey Protein Powder Build Muscle Size and Strength High Density Clean Calories 6 lbs Cookies and Cream
Main highlights

MADE WITH NATURAL WHOLE FOODS | Barley, sweet potato, rolled oats, avocado, coconut oil, pumpkin seeds.
EXTREMELY HIGH CALORIE WEIGHT GAIN | 1,270 calories per serving (4 scoops) mixed two cups of 1% milk. Two daily servings deliver 2,540 calories.
EACH SERVING DELIVERS | 46 grams of 100% pure whey protein, 255 grams of carbohydrates, 7.5 grams of fat per serving (4 scoops) mixed with two cups of 1% milk. Naturally high in BCAAs, EAAs, Glutamine and other amino acids needed to support muscle growth from hard training.
CRASH WEIGHT GAIN | Made for extreme hard gainers looking to add serious MASS!
100% GOURMET TASTE
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8.8

Very Good

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08
Mutant

Mutant Mass Extreme Gainer Whey Protein Powder Build Muscle Size and Strength High Density Clean Calories 6 lbs Cookies and Cream
Main highlights

MADE WITH NATURAL WHOLE FOODS | Barley, sweet potato, rolled oats, avocado, coconut oil, pumpkin seeds.
EXTREMELY HIGH CALORIE WEIGHT GAIN | 1,270 calories per serving (4 scoops) mixed two cups of 1% milk. Two daily servings deliver 2,540 calories.
EACH SERVING DELIVERS | 46 grams of 100% pure whey protein, 255 grams of carbohydrates, 7.5 grams of fat per serving (4 scoops) mixed with two cups of 1% milk. Naturally high in BCAAs, EAAs, Glutamine and other amino acids needed to support muscle growth from hard training.
CRASH WEIGHT GAIN | Made for extreme hard gainers looking to add serious MASS!
100% GOURMET TASTE
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8.7

Very Good

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09
ProteinCo & Dessin

ProteinCo | Premium Weight Gainer | 17g protein | Creatine & Glutamine | Muscle Mass | 7 Lbs (Decadent Chocolate)
Main highlights

🇨🇦 Manufactured in Canada - GMP Certified | NPN : 80056784
Third party tested for Heavy metals & Microbiology
Overcome Fast Metabolism: Designed for individuals with fast metabolisms, Premium Weight Gainer helps overcome the challenges of building muscle mass. It offers a potent combination of ingredients, including whey protein, maltodextrin, glutamine, and creatine, to support muscle growth even for those with high metabolic rates.
Muscle Mass Gain: The unique blend of protein, carbohydrates, and amino acids in Premium Weight Gainer promotes significant muscle mass gain. It provides 17 grams of whey protein and 39 grams of carbohydrates per serving, ensuring a substantial calorie intake to support muscle growth.
Increased Energy: Maltodextrin, a complex carbohydrate in Premium Weight Gainer, provides sustained energy during workouts and training sessions. This helps to improve physical performance and endurance, enabling you to train harder and longer for better results.
Accelerated Recovery: With the inclusion of glutamine and creatine, Premium Weight Gainer supports muscle recovery, helping to repair and rebuild muscle tissue after intense workouts. This leads to enhanced muscle growth and faster recovery times, allowing for more frequent and intense training sessions.
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8.6

Very Good

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10
MAMMOTH

MAMMOTH MASS: Weight Gainer, High Calorie Protein Powder Workout Smoothie Shake, Meal Replacement, Low Sugar, Whey Isolate Concentrate, Casein Protein Blend, Weight Training, High Protein (5lb), Rich Chocolate

10% Off

8.9 Taste

8.4 worth the money
Main highlights

QUALITY NUTRITION: Putting on size requires a balance of heavy training and quality nutrition. Because everyone’s a little different, some have a harder time putting on muscle than others. Mammoth Mass is a high-protein powdered shake delivering significant amount of high quality supplemental protein, healthy carbs, vitamins and minerals to build on what you are getting from a balanced diet.
PROTEIN SHAKES AND RECIPES: Mammoth Mass’s easy mix weight gainer protein formula, is versatile in making not only protein shakes, but also smoothies and more. Boost calories and nutrition by adding to protein bars, protein balls, cookies, pancakes, milk shakes and more.
MUSCLE MASS FORMULA: MAMMOTH MASS Weight Gainer provides more protein, better carbs and far less sugar giving you more of what you want in a potent mass muscle building formula. With 60 grams of the finest whey protein isolate, whey protein concentrate, micellar casein and calcium caseinate available.
MAMMOTH’S REVOLUTIONARY MASS GAINER FORMULA: Mammoth Mass contains 60 grams of High Quality Protein comprised of whey protein concentrate, whey protein isolate & miscellar casein. There is over 39 grams of combined BCAA Glutamine, Essential Amino Acids, as well as a Clean Carb Complex features.
CALORIES: To gain just one extra pound, you need to consume approximately 3,500 calories above and beyond what you normally consume through foods, beverages, and supplements. Mammoth Mass pro gainer provides over 1250 calories per serving. By adding just one serving to your daily routine, you can begin to experience an increase in lean muscle mass within the first week.
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8.5

Good

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