Best High Calorie Sports Nutrition Weight Gainers in 2026

Vitamin C, Zinc and Vitamin D Provide Immune Support along with Vitamin E

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

Packaging may vary - New look, with the same trusted Quality!

NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics.

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

COMPLEX CARBOHYDRATE: Carbo Gain is pure maltodextrin, a complex carbohydrate derived from non-GMO corn.

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.

All natural delicious flavor, flavored with sea salt, stevia, vanilla and monk fruit extract

Animal Meal Protein Blend - Pea Protein Isolate, Instant Egg White, Dried Whole Egg Protein, Beef Protein Isolate

Animal Meal Carb Blend - Sweet Potato Powder, Pea Starch, Tapioca Dextrose, Rolled Oats

WHAT’s IN THE PRODUCT: MuscLean Lean Muscle Keto Protein supplies 100% 10x-microfiltered enzymatically whey protein isolate and whey protein concentrate which depending on serving size delivers 21g to a massive 69g of Protein with a powerful 14g of Essential Fatty Acids, Very Low Sugar: 1g, Low Sodium, Low Cholesterol, and you decide the calories based on your athletic or physical needs: 218 up to 672 calories per serving. Each serving also contains 5 grams of BCAA’s & 4 grams of L-Glutamine.

WHAT NOT IN THE PRODUCT: There is NO Gluten, No GMO’s, NO Lactose, NO Soy Protein, NO Added-Sugar, NO Trans Fat, NO Aspartame, NO Fillers, NO Preservatives, NO Additives, NO Amino Spiking, NO Illegal Substances and NO Gimmicks

WHAT IT DOES FOR YOU: MuscLean is physician formulated & designed for healthy Men or Women who are on-the-go professionals, athletes, students and competitors alike, who need and easy and quick dissolving powder that makes delicious milkshakes and can be used in baking to make high protein cookies, pancakes, muffins, etc. Available in 5 delicious flavors…with 2.5 lb or 5lb sizes to choose from….delivering 25 or 50 individual servings.

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

HIGH-CALORIE MASS GAINER: GNC Pro Performance Bulk 1340 is a scientifically formulated mass gainer that delivers 1,340 calories per serving and 50g of high-quality protein to help you increase size and overall strength when used in conjunction with an exercise program.

RECOVER WITH BCAA: Formula features 11g branched chain amino acids (BCAA) and glutamine, an important amino acid which is involved in protein synthesis and plays an important role in hydrating muscle cells.

BANNED SUBSTANCE-FREE MASS GAINER: Bulk 1340 Mass Gainer has been tested for over 145 banned substances and is and certified Banned Substance.^

HIGH PROTEIN CONTENT - Packed with high-quality protein, Forzagen's lean muscle mass gainer protein powder is designed to help you gain weight and build muscle mass.

EFFECTIVE WEIGHT GAINER - This high calorie protein powder for weight gain is ideal for both men and women looking to gain weight in a healthy and balanced way.

CALORIE RICH - Our weight gainer protein powder for men and women contains high calories, making it an excellent supplement for those needing an extra energy boost. Our premium lean gainer is a natural carb source with oats, sweet potatoes and yams.

Excellent source of Vitamin B12, Vitamin D, and Iron. High-protein, high-calorie, & complete amino acid profile.

No artificial sweeteners, colors, or flavors. No added sugar. No GMOs. No gluten. No dairy. No soy.

No Bloating: Gut friendly formula containing healthy fats from virgin olive oil and carbs from tapioca and organic banana powder.

Mass Pro is formulated with 127 grams of carbohydrates to help boost daily calorie intake, help the body store energy, and build muscle mass- as mass building requires energy through high-carb intake.

Mass Pro is uniquely formulated with 64 grams of whey protein concentrate to help increase muscle mass efforts and to help support muscle repair/ muscle recovery through its rich amino acids profile.

Mass Pro is formulated with a healthy fats blend of avocado powder, coconut oil powder, and MCT oil powder to help the complete the protein-carb-fat ratio to boost calorie intake for maximum gains.

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.

HIGH CALORIE: 55g of protein per serving; 1280 Calories per serving (may vary per flavor)

WEIGHT GAINER: USN anabolic mass weight is mixes easily in water or milk with a delicious taste

ESSENTIAL NUTRIENTS: Anabolic Mass is designed to boost your caloric intake with the right nutrients

ONLY FIVE INGREDIENTS: Naked Whey, Naked Casein, Organic Maltodextrin from gluten free organic tapioca, Organic Coconut Sugar and Vanilla. Contains no artificial sweeteners, flavors or colors. GMO Free, No rBGH or rBST, Soy Free and Gluten Free.

MAXIMUM NUTRITION: 50g of Protein, 251g of Carbs, 1,260 Calories and 11.5g of BCAAs (branched-chain amino acids) per serving.

MULTI-PHASE CLEAN PROTEIN: Grass-fed whey and casein provide your body with healthy amino acids to keep protein synthesis up throughout the day. Use with a high calorie diet to gain weight and transform yourself from a hard gainer to a pro gainer.

MassPhorm was created to be the most effective, highest quality lean muscle gaining formulation on the market. Some people have faster metabolisms than others, and no matter how hard they try, they struggle to put on quality muscle mass. This is known as an ectomorph type body and can be one of the most frustrating issues when it comes to adding muscle size and weight.

MassPhorm addresses the needs of the ectomorph “hard-gainer” head on and pushes your lean mass building potential to the next level. With a well-rounded profile featuring 200g+ Carbohydrates, 50g of Premium Protein from high quality Whey and Micellar Casein for both rapid and Sustained Amino Acid Levels and over 1,080 calories per serving. Further rounding out the nutritional profile is the addition MCTs for lean muscle and metabolism support and enzymes for optimal digestion.

MassPhorm addresses the needs of the ectomorph “hard-gainer” head on and pushes your lean mass building potential to the next level. With a well-rounded profile featuring 200g+ Carbohydrates, 50g of Premium Protein from high quality Whey and Micellar Casein for both rapid and Sustained Amino Acid Levels and over 1,080 calories per serving. Further rounding out the nutritional profile is the addition MCTs for lean muscle and metabolism support and enzymes for optimal digestion.

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.

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.

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.

KING MASS XL MASS GAINER: In your pursuit of KING-SIZED MASS you will be hitting the iron like a BEAST! That means you will need KING-SIZED RECOVERY. The Ronnie Coleman Signature Series mass gainer protein is perfect for you. Each full serving has 60g protein, 180g carbs, and 1,000+ calories.

100% PURE CREATINE MONOHYDRATE: Each scoop has 5g of creatine, 0 carbs, 0 calories and is unflavored to easily mix with water, blend in a smoothie or protein shake. Contains 400 servings per container.

HIGH QUALITY INGREDIENTS: All of our ingredients have a purpose, are of the highest quality. We only use registered manufacturing facilities in the U.S.A. that follow the most strict guidelines and regulations set forth by certifications such as cGMP and NSF.