10 Best Gainer Protein Powder of December 2025

• MASS GAINER PROTEIN POWDER – MuscleTech Mass-Tech Elite is an advanced muscle mass gainer for those who have struggled with adding size, are in their bulking phase or want to break through their strength plateaus
• MUSCLE BUILDER – Mass-Tech Elite delivers 20% better amino acid absorption. ProHydrolase is designed to maximize the performance benefits of protein assisting the body in absorbing EAAs for building muscle and improving muscle recovery
• SUPERIOR WEIGHT GAINER – It’s clean and simple. Delivers more protein (80g), better calories and bigger results than other mass gainers, with the macros you need to pack on quality mass
• CREATINE MONOHYDRATE – Each serving delivers 1,000 nutrient-dense calories derived from high-quality protein and quickly digested carbs. Each calorie-dense serving is enhanced with a huge 10g dose of the most studied form of creatine for even better gains
• DAILY WORKOUT SUPPLEMENTS – Mix 1 serving with 16 oz of water or skim milk and consume twice daily, either in the morning, between meals or post-workout. For best results, use a blender

MuscleTech

• Ultra-premium super mass gainer
• Over 1200 calories per serving
• 50 grams of multi-source protein per serving
• 215 grams of carbohydrates per serving, primarily rolled oats
• BCAAs and other essential and non-essential amino acids
• During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.

BSN

• PROTEINS | Delivers 46 grams of protein when mixed with just two cups of 1% milk
• CARBS | Delivers 255 grams of carbohydrates when mixed with just two cups of 1% milk
• EXTREMELY HIGH CALORIE | 1,270 calories per serving (4 scoops) mixed two cups of 1% milk. Two daily servings deliver 2,540 calories.
• MADE WITH NATURAL WHOLE FOODS | Barley, sweet potato, rolled oats, avocado, coconut oil, pumpkin seeds.
• 100% GOURMET TASTE

Mutant

• Vitamin C and Zinc Provides Immune Support along with Vitamin E
• 650 CALORIES - delivering calories that count to support your gains
• 60G PROTEIN BLEND - support your mass gaining goals with high-quality protein
• 85G CARBOHYDRATES - help restore energy levels
• 7g SUGAR (OR LESS)
• 31 VITAMINS & MINERALS - because the nutrient needs of very active individuals may be greater than those of less active people
• GREAT POST-WORKOUT OR BETWEEN MEALS
• MIXES EFFORTLESSLY - use a blender, shaker, or spoon to easily mix
• AVAILABLE IN 5 LB TUBS OR 10 LB BAGS

Optimum Nutrition

• ONLY THREE INGREDIENTS: Pea Protein Powder, Organic Rice Protein Powder and Organic Maltodextrin (made from gluten free organic tapioca). Naked Vegan Mass contains no artificial sweeteners, flavors, or colors and is GMO Free, Growth Hormone Free, Soy Free, Gluten Free, and Dairy Free.
• VEGAN NUTRITION: Each serving of our vegan weight gainer contains 50g of Protein, 248g of Complex Carbs, 1,230 Calories and 10.3g of BCAAs (branched-chain amino acids).
• PREMIUM COMPLEX CARBOHYDRATES: Unlike other vegan mass gainer supplements, Naked Vegan Mass does not use wheat based carbohydrates, instead using gluten-free organic tapioca maltodextrin for a clean source of complex carbohydrates.
• REAL CLEAN PROTEIN: Gain weight the right way with our lactose free weight gainer, which contains our premium Naked Pea and Naked Rice protein. Naked Vegan Mass provides your body with the amino acids it needs to maintain protein synthesis and help you gain muscle when used with a weightlifting fitness routine.
• IDEAL FOR WEIGHT GAINER SHAKES: Our vegan mass gainer uses unflavored vegan protein powder so you can easily control what goes into your body and flavor as desired with fruit such as a banana or blueberries. For use by men or women that prefer a non dairy weight gainer.

NAKED nutrition

• Safe And Effective FIRST
• In an industry with questionable legislation, RIVALUS raises the bar for standards and quality far beyond the legal requirement or government regulatory bodies.
• All RIVALUS products are manufactured in facilities with the highest standards and meeting or exceeding all safety and regulatory approvals
• Item Package Weight: 10.0 pounds

Rivalus

• MASS GAINER PROTEIN POWDER – Mass-Tech Extreme 2000 is a 5-in-1 hardcore mass gainer designed for individuals looking to put on extreme mass. Mass-Tech Extreme 2000 has everything you need to bulk up, pack on muscle and smash through strength plateaus
• MUSCLE BUILDER – Mass-Tech Extreme 2000 delivers more protein per serving than most other mass gainers. With a whopping 80g of premium protein, your body will have all the building blocks it needs to build the size and muscle you’re looking for
• SUPERIOR WEIGHT GAINER – It’s clean and simple. Delivers more protein (80g), better calories and bigger results than other mass gainers, with the macros you need to pack on quality mass
• CREATINE MONOHYDRATE – Mass-Tech Extreme 2000 contains a clinically validated 10g dose of creatine monohydrate to help you increase strength and regenerate ATP stores that are reduced during resistance training
• DAILY WORKOUT SUPPLEMENTS – Mix 1 serving with 20 oz of water or skim milk in a blender and consume once daily, either in the morning, between meals or post-workout

Muscletech

• 10.7 grams of BCAAs as building blocks, including 5.1g Leucine, as building blocks to help activate Muscle Protein Synthesis
• 1310 calories and 245g carbs per serving to help even the hardest gainers pack on mass
• 52 grams of protein per serving (a blend of fast, medium, and slow digesting proteins) for muscle support
• 17 vitamins and minerals to support balanced nutrition, healthy muscle tissue and muscle recovery

Dymatize

• Contains one (1) 5 pound cannister (about 14 servings) of Muscle Milk Pro Series Gainer Protein Powder Supplement. Packaging may vary. Shaker bottle sold separately.
• HELPS SUPPORT MUSCLE RECOVERY AND MASS++ – Muscle Milk Pro Series Gainer supplies your body with high quality protein to support muscle maintenance, recovery and growth while delivering calories to support gains after exercise. ++
• KEY FEATURES – Based on 1 serving, Muscle Milk Pro Series Gainer contains 32g high-quality protein, 109g carbs, 650 calories, 2g MCTs, and an excellent source of 20 vitamins and minerals.
• VERSATILE AND EASY-TO-MIX – Muscle Milk Pro Series Gainer dissolves easily in water; just mix 4 scoops into 10-16 fluid ounces of water using a shaker bottle. Shaker bottle sold separately. ++
• SCIENCE BEHIND PROTEIN – Provides a blend of high-quality slow releasing and fast releasing proteins to help increase amino acid levels. These essential amino acids play a role in muscle growth and maintenance of muscle mass. ++
• TESTED FOR BANNED SUBSTANCES – Muscle Milk Protein Powders are NSF Certified for Sport. NSF screens for more than 270 substances banned by most major athletic organizations.
• Muscle Milk Pro Series Gainer Protein Powder Supplement, Vanilla Crème, 5 Pound, 14 Servings, 32g Protein, 5g Sugar, 109g Carbs, 650 Calories, 2g MCTs, 20 Vitamins & Minerals, Packaging May Vary
• These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Muscle Milk

• Vitamin C, Zinc and Vitamin D Provide Immune Support along with Vitamin E
• Packaging may vary - New look, with the same trusted Quality
• High Calorie Weight Gainer: 1,250 Calories per 2-Scoop Serving
• 50 Grams of Protein per Serving for fueling Intense Workouts
• Over 250 Grams of Carbohydrates per Serving
• 25 Vitamins and Minerals Plus Creatine and Glutamine
• Using an Electric Blender to Add Fresh or Frozen Fruits, Peanut Butter, Nuts and Other Calorie Dense Foods to Boost Your Weight Gain Potential
• Search "ON Apparel True Strength" to see our new ON clothing line

Optimum Nutrition