10 Best weight gainer protein powder in Canada

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Last Updated - 2026/04/05

Best Choice

01
IRONVEGAN

Athlete's Gainer Protein Powder, Natural Vanilla Flavour, 4.5 kg | Vegan and Non-GMO

8.2 worth the money

8.0 Taste
Main highlights

TESTED FOR SPORT: Athlete's Gainer is tested for banned substances and certified by Informed Sport so even the most elite athlete's can enjoy the power of plant-fueled performance.
MUSCLE GROWTH GAINS: IRON VEGAN Athlete’s GAINER is a plant-based, high protein, high calorie supplement formulated to support healthy weight gain. ATHLETE's GAINER provides you with 720 clean calories at a 2.85:1 carbohydrate to protein ratio so that you can gain muscle mass.
GREAT TASTE WITH A SMOOTH TEXTURE: Gone is the gritty, grainy mouth feel of a typical vegan protein. In its place is a smooth, delicious flavour and a creamy texture that will almost certainly surprise you. This great tasting, smooth formula is formulated for ingredient-conscious athletes to build muscle. Athlete's Gainer is tested for banned substances and certified by Informed Sport so even the most elite athlete's can enjoy the power of plant-fueled performance.
CLEAN, REAL FOOD INGREDIENTS: Athlete's Gainer provides you with 42 grams of protein, 12 grams of fibre, and only 1 gram of sugar per serving! With added greens, fruit concentrates, sea vegetables, plant oils, and sprouted grains, this plant-based gainer helps to fuel your muscle growth so you can perform at a high level. Real food ingredients, real fuel. Made in Canada from imported & domestic ingredients.
42 g OF PROTEIN: Each serving of Iron Vegan Athlete's Gainer delivers 42 grams of plant-based protein with a complete amino acid profile, and is sourced from Organic Sprouted Brown Rice protein and Fermented Pea protein.
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9.6

Exceptional

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Value for Money

02
IRONVEGAN

Athlete's Gainer Protein Powder, Natural Vanilla Flavour, 4.5 kg | Vegan and Non-GMO

8.2 worth the money

8.0 Taste
Main highlights

TESTED FOR SPORT: Athlete's Gainer is tested for banned substances and certified by Informed Sport so even the most elite athlete's can enjoy the power of plant-fueled performance.
MUSCLE GROWTH GAINS: IRON VEGAN Athlete’s GAINER is a plant-based, high protein, high calorie supplement formulated to support healthy weight gain. ATHLETE's GAINER provides you with 720 clean calories at a 2.85:1 carbohydrate to protein ratio so that you can gain muscle mass.
GREAT TASTE WITH A SMOOTH TEXTURE: Gone is the gritty, grainy mouth feel of a typical vegan protein. In its place is a smooth, delicious flavour and a creamy texture that will almost certainly surprise you. This great tasting, smooth formula is formulated for ingredient-conscious athletes to build muscle. Athlete's Gainer is tested for banned substances and certified by Informed Sport so even the most elite athlete's can enjoy the power of plant-fueled performance.
CLEAN, REAL FOOD INGREDIENTS: Athlete's Gainer provides you with 42 grams of protein, 12 grams of fibre, and only 1 gram of sugar per serving! With added greens, fruit concentrates, sea vegetables, plant oils, and sprouted grains, this plant-based gainer helps to fuel your muscle growth so you can perform at a high level. Real food ingredients, real fuel. Made in Canada from imported & domestic ingredients.
42 g OF PROTEIN: Each serving of Iron Vegan Athlete's Gainer delivers 42 grams of plant-based protein with a complete amino acid profile, and is sourced from Organic Sprouted Brown Rice protein and Fermented Pea protein.
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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 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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9.2

Excellent

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04
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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9.1

Excellent

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05
Mutant

Mutant Mass Extreme GainerWhey Protein PowderBuild Muscle Size and StrengthHigh Density Clean Calories12 lbsTriple Chocolate
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 GainerWhey Protein PowderBuild Muscle Size and StrengthHigh Density Clean Calories12 lbsTriple Chocolate
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 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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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 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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8.7

Very Good

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09
Mutant

MUTANT MASS Weight Gainer Protein Powder with a Whey Isolate, Concentrate, and Casein Protein Blend, High-Calorie Shake, 2.27 kg – Triple Chocolate

8.4 worth the money

8.2 Taste
Main highlights

Made with natural whole foods (barley, sweet potato, rolled oats, avocado, coconut oil, flaxseed, pumpkin seed and sunflower oil)
Essential fatty acids (EFAs) and natural oils from coconut, avocado, flaxseed, pumpkin seed and sunflower
Engineered in our own state-of-the-art manufacturing facility to maintain gold-standard quality
56 g of pure protein, 192 g of clean carbs, 12 g of fat
26.1 g of EAAs and 12.2 g of BCAAs (naturally present)
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8.6

Very Good

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10
Mutant

MUTANT MASS Weight Gainer Protein Powder with a Whey Isolate, Concentrate, and Casein Protein Blend, High-Calorie Shake, 2.27 kg – Triple Chocolate

8.4 worth the money

8.2 Taste
Main highlights

Made with natural whole foods (barley, sweet potato, rolled oats, avocado, coconut oil, flaxseed, pumpkin seed and sunflower oil)
Essential fatty acids (EFAs) and natural oils from coconut, avocado, flaxseed, pumpkin seed and sunflower
Engineered in our own state-of-the-art manufacturing facility to maintain gold-standard quality
56 g of pure protein, 192 g of clean carbs, 12 g of fat
26.1 g of EAAs and 12.2 g of BCAAs (naturally present)
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8.5

Good

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