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10 Best Gain Weight Powders - Holiday Sale

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Last Updated - 2025/12/13

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01
Optimum Nutrition

Gold Standard Pro Gainer | High Protein Weight Gainer Powder | 650 Calories, 60g Protein, 82g Carbohydrates | Mass Gainer & Source Vitamins & Minerals | 14 Servings, 5.09LB (Double Chocolate)

15% Off Free Shipping
Main highlights

Perfect for Daily Caloric Support: With a well-balanced blend of protein, carbohydrates, and essential nutrients, Gold Standard Pro Gainer Mass Gainer Powder is ideal for incorporating into your daily routine to help meet your nutritional goals.
Packed with Essential Vitamins & Minerals: Gold Standard Pro Gainer includes over 20 essential vitamins and minerals, such as iron, calcium, potassium, and vitamins C & E, ensuring well-rounded nutritional support in every serving.
High-Protein Formula with Balanced Nutrition: Gold Standard Pro Gainer features 60 grams of protein per serving along with 650 calories and 81+ grams of carbohydrates, making this an excellent option for supporting your daily caloric intake.
Easy Mixing for On-the-Go Convenience: Whether you use a blender, shaker, or spoon, Gold Standard Pro Gainer Mass Gainer powder mixes effortlessly with water, milk, or your favourite beverage for a smooth and convenient shake.
Delicious Flavour Options: Gold Standard Pro Gainer is available in Double Chocolate and Vanilla Custard, these rich flavours make every serving a treat you'll look forward to enjoying.
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9.8

Exceptional

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02
NAKED

Chocolate Naked Mass - All Natural Chocolate Weight Gainer Protein Powder - 8lb Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,360 Calories - 11 Servings

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Main highlights

PROTEIN SHAKES AND RECIPES: Our natural chocolate weight gain protein powder is versatile in making protein shakes, smoothies and recipes. Boost calories and nutrition by adding Naked Mass to chocolate weight gainer shakes, pancakes, cookies and other recipes.
PREMIUM COMPLEX CARBOHYDRATES: Unlike other weight gainers that use wheat-based maltodextrins, our chocolate mass gainer uses gluten free organic tapioca maltodextrin for clean source complex carbohydrates.
ONLY FIVE INGREDIENTS: Naked Whey, Naked Casein, Organic Maltodextrin (made from gluten free organic tapioca), Organic Coconut Sugar, and Organic Raw Cacao. Chocolate Naked Mass contains no artificial sweeteners, flavors, or colors and is GMO Free, No rBGH or rBST, Soy Free and Gluten Free.
MULTI-PHASE CLEAN PROTEIN: All natural whey and casein provides your body with healthy amino acids to keep protein synthesis up throughout the day.
MAXIMUM NUTRITION: 50g of Protein, 251g of Carbs, 1,360 Calories, 11.6g of BCAAs (branched-chain amino acids) per serving.
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9.6

Exceptional

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Value for Money

03
Mutant

Mutant Mass Extreme Gainer Whey Protein Powder, Build Muscle Size & Strength with High-Density Clean Calories, (Triple Chocolate, 6 LBS)

18% Off Free Shipping

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
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9.4

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 Cookies and Cream

18% Off Free Shipping
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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9.3

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

14% Off Free Shipping

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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06
Mutant

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

13% Off Free Shipping

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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9.1

Excellent

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07
IRONVEGAN

Athlete's Gainer Protein Powder, Natural Vanilla Flavour, 2.5 kg | Vegan and Non-GMO

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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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8.9

Very Good

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08
Sunshine Biopharma

Extreme Mass weight gainer muscle builder, 10 lb (4.54 kg) with less sugar for intense workout training made of high calorie fortified whey protein (Vanilla)

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9.3 Taste

8.9 worth the money
Main highlights

Supports Lean Muscle Growth & Strength Gains; The high-protein formula provides essential amino acids to increase muscle size and strength while keeping fat gain in check.
Quality first! All produced batches are independently tested by a third-party lab for contaminants and toxins to exceed Health Canada’s strict standards. For instance, the lead content must be <0.5 ppm. We consistently get <0.10 ppm, our goal and promise
Optimal Nutrition for Performance & Recovery; A precise blend of whey protein, fast-digesting carbs, and essential micronutrients fuels workouts, prevents deficiencies, and sustains peak athletic performance. Enhances Glycogen Replenishment & Nitrogen Retention to restore muscle energy
High-Calorie, Muscle-Building Formula; Delivers a massive 1,582 calories per serving, fortified with 60 g of protein, BCAAs, creatine, and essential vitamins to support intense training and consistent muscle gains.
Accelerates Recovery & Reduces Muscle Breakdown; BCAAs, creatine, and glutamine promote rapid muscle repair and minimize post-workout soreness, ensuring you’re ready for your next training session.
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8.8

Very Good

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09
Sunshine Biopharma

Extreme Mass gainer muscle builder, 5 lbs (2.27 kg) low sugar high calories for intense workouts (Strawberry-Banana)

Free Shipping
Main highlights

Supports Lean Muscle Growth & Strength Gains; The high-protein formula provides essential amino acids to increase muscle size and strength while keeping fat gain in check.
Quality first! All produced batches are independently tested by a third-party lab for contaminants and toxins to exceed Health Canada’s strict standards. For instance, the lead content must be <0.5 ppm. We consistently get <0.10 ppm, our goal and promise
Optimal Nutrition for Performance & Recovery; A precise blend of whey protein, fast-digesting carbs, and essential micronutrients fuels workouts, prevents deficiencies, and sustains peak athletic performance. Enhances Glycogen Replenishment & Nitrogen Retention to restore muscle energy
High-Calorie, Muscle-Building Formula; Delivers a massive 1,582 calories per serving, fortified with 60 g of protein, BCAAs, creatine, and essential vitamins to support intense training and consistent muscle gains.
Accelerates Recovery & Reduces Muscle Breakdown; BCAAs, creatine, and glutamine promote rapid muscle repair and minimize post-workout soreness, ensuring you’re ready for your next training session.
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8.7

Very Good

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10
Sunshine Biopharma

Extreme Mass weight gainer muscle builder, 10 lb (4.54 kg) with less sugar for intense workout training made of high calorie fortified whey protein (Chocolate)

Free Shipping

9.3 Taste

9.3 worth the money
Main highlights

Supports Lean Muscle Growth & Strength Gains; The high-protein formula provides essential amino acids to increase muscle size and strength while keeping fat gain in check.
Quality first! All produced batches are independently tested by a third-party lab for contaminants and toxins to exceed Health Canada’s strict standards. For instance, the lead content must be <0.5 ppm. We consistently get <0.10 ppm, our goal and promise
Optimal Nutrition for Performance & Recovery; A precise blend of whey protein, fast-digesting carbs, and essential micronutrients fuels workouts, prevents deficiencies, and sustains peak athletic performance. Enhances Glycogen Replenishment & Nitrogen Retention to restore muscle energy
High-Calorie, Muscle-Building Formula; Delivers a massive 1,582 calories per serving, fortified with 60 g of protein, BCAAs, creatine, and essential vitamins to support intense training and consistent muscle gains.
Accelerates Recovery & Reduces Muscle Breakdown; BCAAs, creatine, and glutamine promote rapid muscle repair and minimize post-workout soreness, ensuring you’re ready for your next training session.
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8.4

Good

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