10 Best mass gainer for skinny guys (2025)

• Packaging may vary - New look, with the same trusted Quality!
• Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
• High Calorie Weight Gainer: 1,250 Calories per 2-Scoop Serving
• 50 Grams of Protein per Serving
• Over 250 Grams of Carbohydrates per Serving

• ONLY THREE INGREDIENTS: Naked Whey, Naked Casein and Organic Maltodextrin (made from gluten free organic tapioca). Naked Mass contains no artificial sweeteners, flavors, or colors and is GMO Free, No rBGH or rBST, Soy Free and Gluten Free.
• MAXIMUM NUTRITION: 50g of Protein, 252g of Carbs, 1,250 Calories, 11.5g of BCAAs (branched-chain amino acids) per serving and only 5g sugar - compare vs other weight gain supplements for bulking.
• MULTI-PHASE CLEAN PROTEIN: Keep protein synthesis up by combining fast release grass-fed whey with slow-digesting micellar casein. Plus, get the healthy amino acids your body needs. Combine with a high-calorie diet and exercise to gain weight and transform yourself from a hard gainer to a pro gainer.
• PREMIUM COMPLEX CARBOHYDRATES: Unlike other weight gainer supplements that use wheat-based maltodextrins, Naked Mass is a serious, true mass gainer and uses gluten free organic tapioca maltodextrin for clean source complex carbohydrates.
• BEST WEIGHT GAINER SHAKES AND RECIPES: Our unflavored super mass gainer protein powder is versatile for making smoothies and recipes. Boost calories and give your body optimum nutrition by adding Naked Mass to homemade protein bars, shakes, and more.

• FUEL BIGGER ATHLETIC GOALS: Stack the scale in your favor and choose from three decadent flavors of a great-tasting blend of protein powder, naturally occurring BCAAs, carbohydrates, and added medium chain triglycerides (MCT).
• INCREASE YOUR PROTEIN INTAKE BEFORE OR AFTER TRAINING: GNC Pro Performance Weight Gainer delivers 50g of a protein blend designed to digest over time and help ensure essential amino acids (EAA) are readily available for muscles.
• POWER UP FOR A BIG DAY WITH 700 CALORIES: High-quality protein fuels muscles and 115-117g of a dual carbohydrate system preserves and replenishes energy stores.
• WORKOUTS WITH MCT AND BCAA: Weight Gainer’s added MCT is quickly absorbed by the body for use as energy and BCAA may help reduce muscle breakdown during exercise.
• CHOOSE A BANNED SUBSTANCE-TESTED WEIGHT GAINER: Unlike most gainers with proprietary blends, GNC Pro Performance Weight Gainer is certified Banned Substance Tested and designed to deliver the right nutrition for your goals.

• ONLY THREE INGREDIENTS: Pea Protein Powder, Organic Rice Protein Powder and Organic Maltodextrin (made from gluten free organic tapioca). Vegan Naked Mass contains no artificial sweeteners, flavors, or colors and is GMO Free, Soy Free, Gluten Free, and Dairy Free with no rBGH or rBST.
• VEGAN NUTRITION: Each serving of our unflavored vegan weight gainer powder contains 50g of Protein, 248g of Complex Carbs, 1,230 Calories and 10.3g of BCAAs (branched-chain amino acids). To ensure a complete amino acid profile, the ratio of pea to rice protein is 2:1.
• PREMIUM COMPLEX CARBOHYDRATES: Unlike other vegan weight gain 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 VEGAN WEIGHT GAINER SHAKES: Our unflavored vegan mass gainer is the perfect base so you can easily control what goes into your body and flavor as desired with fruit or vegetables. For use by men or women that prefer a non dairy weight gainer.

• The package dimension of the product is 8"L x 8"W x 11"H
• 100% Beef Protein Isolate Weight Gainer
• Supports Muscle Mass, Strength & Recovery
• Easier on the Stomach – Lactose, Sugar, Dairy and Gluten Free

• ✓ 1350 Nutrient Dense Calories
• ✓ Powerful Gains in Hard, Dense Muscle Mass
• ✓ Optimizes Insulin Response for Maximum Muscle Growth
• ✓ 50g Protein - Fast & Sustained Release Protein Blend
• ✓ Milkshake Tasting Flavors

• CRASH WEIGHT GAIN | Made for extreme hard gainers looking to add serious MASS!
• 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.
• MADE WITH NATURAL WHOLE FOODS | Barley, sweet potato, rolled oats, avocado, coconut oil, pumpkin seeds.
• 100% GOURMET TASTE

• 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.
• 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.
• 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.
• 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.
• 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.

This Mutant Mass Extreme Gainer – Whey Protein Powder – Build Muscle Size and Strength – High Density Clean Calories (Jacked Berry Blast, 6 lbs) is a top choice in . Customers appreciate its quality, performance, and value.

• 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.
• 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.
• 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; The balanced macronutrient profile helps restore muscle energy stores post-workout, ensuring continuous growth and endurance.
• 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.