Looking for the best mass gainer with 15 servings? We’ve researched and compiled a list of the top 10 options to help you build muscle and gain weight effectively.
Mass gainers are a game-changer for anyone looking to build muscle and gain weight. With so many options, finding the best mass gainer can feel overwhelming. But don’t worry—we’ve done the research for you.
Our guide focuses on 15-serving options, perfect for those who want quality without overcommitting. Whether you’re a fitness enthusiast or a beginner, we’ve got you covered.
Discover the top picks, learn what makes them stand out, and find the perfect fit for your goals. Let’s get started!
List of Top 10 Mass Gainer For 15 Servings
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Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vitamin C and Zinc for Immune Support, Vanilla, 12 Pound (Packaging May Vary) |
This weight gainer is perfect for anyone who wants to pack on muscle and gain healthy weight. It’s great for active people or those with high calorie needs. |
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RIVAL NUTRITION Clean Gainer Cookies & Cream High-Protein Lean Gainer Powder I 5 Lb, 15 Servings I 560 Calories, 30g Protein, 99g Multi-Source Carbs Per Serving I Natural Flavors, No Artificial Colors |
This product is perfect for athletes and active people who want to gain lean muscle and fuel their workouts. It’s great for those who prefer clean, natural ingredients without artificial colors or fillers. |
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Mutant Mass Weight Gainer Protein Powder – Mass Builder for Bulking and Lean Mass Gainer, The Weight Gainer Men Need to Bulk up – 15 Pound – Triple Chocolate |
This weight gainer is perfect for men who want to bulk up and build lean muscle. It’s ideal for those who need extra calories and quality protein to support growth. |
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Mutant Mass | Weight Mass Gainer Protein Powder – high Calorie Protein Powder for Muscular Mass – Vanilla Ice Cream – 15 Pound |
Mutant Mass is perfect for anyone looking to gain muscle mass and boost their calorie intake. It’s ideal for active individuals who need high-quality protein and clean carbs to support their fitness goals. |
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BSN TRUE-MASS Weight Gainer, Mass Gainer Protein Powder, Post Workout Muscle Recovery Powder, Muscle Gainer, 4:1 Carbs to Protein Ratio, Vanilla Ice Cream, 10.25 Pound, 15 Servings |
This mass gainer is perfect for anyone who wants to build muscle and gain weight fast. It’s great for those with high-calorie needs or intense training routines. |
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BSN TRUE-MASS Weight Gainer, Mass Gainer Protein Powder, Post Workout Muscle Recovery Powder, Muscle Gainer, 4:1 Carbs to Protein Ratio, Chocolate Milkshake, 10.38 Pound, 15 Servings |
This weight gainer is perfect for anyone who wants to build muscle and recover after intense workouts. It’s great for those who need extra calories and a balanced mix of carbs and protein. |
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PERFECT SPORTS Hulk Clean Mass Gainer | 50g Whey Protein | Full Serving of Fruits & Veggies | 99% Removed Lactose & Gluten Free | 5 Pounds (Banana) |
Hulk Clean Mass Gainer is perfect for athletes and fitness enthusiasts who want to build muscle and fuel intense workouts. It’s ideal for those seeking clean, real-food nutrition without added sugar or lactose. |
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PERFECT SPORTS Clean Mass Gainer | 50g Whey Protein | Full Serving of Fruits & Veggies | 99% Removed Lactose & Gluten Free | 5 Pounds (Chocolate Ice Cream) |
This mass gainer is perfect for athletes who want to build muscle and fuel intense workouts. It’s great for those who need clean nutrition with no added sugar and real food ingredients. |
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RIVAL NUTRITION Clean Gainer Protein Powder – 5LB Cookies & Cream – High Protein Lean Mass & Weight Gainer | 560 Calories, 30g Protein, 99g Multi-Source Carbs – 15 Servings |
This protein powder is perfect for anyone who wants to gain lean muscle and increase strength. It’s great for active people looking for quality calories and fast recovery after workouts. |
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BEYOND RAW Dynamic Gainer | High-Tech Mass Gainer | Optimized Absorption, Enhanced Strength, and Joint Stability | Vanilla Cheesecake | 15 Servings |
This product is perfect for anyone looking to build muscle and improve their strength. It’s great for those who want better joint support while lifting heavy weights. |
Detailed Reviews
Discover the top 10 mass gainers for 15 servings, carefully selected based on expert reviews and customer feedback. Each product is evaluated for its features, performance, and value, ensuring you find the perfect fit for your goals. Whether you prioritize taste, nutrition, or affordability, this guide simplifies your choice and builds confidence in your decision.
1. Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vitamin C and Zinc for Immune Support, Vanilla, 12 Pound (Packaging May Vary)

Optimum Nutrition Serious Mass is a high-calorie weight gainer designed to help you build muscle and gain weight. It comes in a vanilla flavor and contains 1,250 calories per serving. The packaging may vary, but the quality remains the same.
This protein powder provides 50 grams of protein and over 250 grams of carbohydrates per serving. It also includes 25 vitamins and minerals, plus creatine and glutamine for added nutritional support.
Use an electric blender to mix this powder with fresh fruits, peanut butter, or nuts. This will boost your calorie intake and help you reach your weight gain goals. Optimum Nutrition Serious Mass is a reliable choice for anyone looking to increase their calorie and protein intake.
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Perfect For:
This weight gainer is perfect for anyone who wants to pack on muscle and gain healthy weight. It’s great for active people or those with high calorie needs.
Ready to Purchase?
2. RIVAL NUTRITION Clean Gainer Cookies & Cream High-Protein Lean Gainer Powder I 5 Lb, 15 Servings I 560 Calories, 30g Protein, 99g Multi-Source Carbs Per Serving I Natural Flavors, No Artificial Colors

Rival Nutrition Clean Gainer is a high-protein, lean gainer powder designed to support muscle growth and recovery. It packs 560 calories and 30g of protein per serving, making it ideal for active individuals.
The formula uses natural flavors and stevia leaf extract for sweetness, with no artificial colors or fillers. It’s gluten-free and includes multi-source carbs from ingredients like quinoa, blueberry, and oat fiber.
Easy to prepare, third-party tested, and made in the USA. Perfect for fueling workouts and aiding recovery.
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Perfect For:
This product is perfect for athletes and active people who want to gain lean muscle and fuel their workouts. It’s great for those who prefer clean, natural ingredients without artificial colors or fillers.
Ready to Purchase?
3. Mutant Mass Weight Gainer Protein Powder – Mass Builder for Bulking and Lean Mass Gainer, The Weight Gainer Men Need to Bulk up – 15 Pound – Triple Chocolate

Mutant Mass Weight Gainer is a powerful bulking tool for men. It packs 1100 calories per serving to fuel muscle growth. Each scoop delivers 56 g of pure protein for lean gains.
This enhanced gainer includes BCAAs and EAAs for better recovery. It also has waxy maize to support bulking. The natural whole-foods blend ensures clean nutrition.
Enjoy a gourmet taste with every shake. It’s made in a top-quality facility for your peace of mind. Perfect for those looking to bulk up fast.
| Pros | Cons |
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Perfect For:
This weight gainer is perfect for men who want to bulk up and build lean muscle. It’s ideal for those who need extra calories and quality protein to support growth.
Ready to Purchase?
4. Mutant Mass | Weight Mass Gainer Protein Powder – high Calorie Protein Powder for Muscular Mass – Vanilla Ice Cream – 15 Pound

Mutant Mass is a high-calorie protein powder designed to help you gain muscular mass. It packs 1100 calories and 56 g of pure protein per serving, making it a powerful tool for lean gains.
This weight gainer includes clean carbs, healthy fats, and essential amino acids like BCAAs and EAAs. It’s made with natural whole foods like oats, avocado, and coconut oil for quality nutrition.
Great taste, gold-standard quality, and easy to use. Perfect for growth and bulking.
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Perfect For:
Mutant Mass is perfect for anyone looking to gain muscle mass and boost their calorie intake. It’s ideal for active individuals who need high-quality protein and clean carbs to support their fitness goals.
Ready to Purchase?
5. BSN TRUE-MASS Weight Gainer, Mass Gainer Protein Powder, Post Workout Muscle Recovery Powder, Muscle Gainer, 4:1 Carbs to Protein Ratio, Vanilla Ice Cream, 10.25 Pound, 15 Servings

BSN TRUE-MASS is a powerful weight gainer designed for intense training. It packs 1200 calories per serving, making it BSN’s most calorie-dense option.
This mass gainer features a 4:1 carb-to-protein ratio, perfect for muscle recovery. It includes 50g of protein and essential amino acids for optimal growth.
High fiber, great taste, and easy to use. Vanilla Ice Cream flavor makes it a delicious post-workout choice.
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Perfect For:
This mass gainer is perfect for anyone who wants to build muscle and gain weight fast. It’s great for those with high-calorie needs or intense training routines.
Ready to Purchase?
6. BSN TRUE-MASS Weight Gainer, Mass Gainer Protein Powder, Post Workout Muscle Recovery Powder, Muscle Gainer, 4:1 Carbs to Protein Ratio, Chocolate Milkshake, 10.38 Pound, 15 Servings

BSN TRUE-MASS is a powerful weight gainer for serious training. It’s packed with 1200 calories per serving, the highest from BSN. This formula helps you build muscle and recover faster.
It has a 4:1 carb-to-protein ratio, perfect for max energy and muscle growth. Each serving includes 50g of protein and essential amino acids for stronger muscles.
Plus, it’s fiber-rich with 10g per serving, aiding digestion. Enjoy it as a chocolate milkshake for a delicious, nutritious boost.
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Perfect For:
This weight gainer is perfect for anyone who wants to build muscle and recover after intense workouts. It’s great for those who need extra calories and a balanced mix of carbs and protein.
Ready to Purchase?
7. PERFECT SPORTS Hulk Clean Mass Gainer | 50g Whey Protein | Full Serving of Fruits & Veggies | 99% Removed Lactose & Gluten Free | 5 Pounds (Banana)

Hulk Clean Mass Gainer is a powerful all-in-one supplement. It supports muscle growth and boosts performance. One scoop packs 12.5g of whey protein, 42g of complex carbs, and 8 key vitamins.
This mass gainer is gluten-free and virtually lactose-free. It’s made in a peanut-free facility. It also includes 11 fruits and veggies, adding real nutrition to your diet.
With no added sugar, Hulk is ideal for recovery. It fuels high-intensity workouts and helps you gain quality size. Perfect Sports has delivered top-quality supplements for over 20 years.
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Perfect For:
Hulk Clean Mass Gainer is perfect for athletes and fitness enthusiasts who want to build muscle and fuel intense workouts. It’s ideal for those seeking clean, real-food nutrition without added sugar or lactose.
Ready to Purchase?
8. PERFECT SPORTS Clean Mass Gainer | 50g Whey Protein | Full Serving of Fruits & Veggies | 99% Removed Lactose & Gluten Free | 5 Pounds (Chocolate Ice Cream)

PERFECT SPORTS Clean Mass Gainer is a powerful all-in-one supplement. It supports muscle growth and boosts performance. One scoop packs 12.5g of whey protein, 42g of carbs, and 8 key vitamins.
It’s gluten-free, virtually lactose-free, and made in a peanut-free facility. The 3.5:1 carb-to-protein ratio helps fuel intense workouts and build quality size.
With no added sugar and real fruits & veggies, it’s nutritious and clean. Perfect for recovery after tough training sessions.
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Perfect For:
This mass gainer is perfect for athletes who want to build muscle and fuel intense workouts. It’s great for those who need clean nutrition with no added sugar and real food ingredients.
Ready to Purchase?
9. RIVAL NUTRITION Clean Gainer Protein Powder – 5LB Cookies & Cream – High Protein Lean Mass & Weight Gainer | 560 Calories, 30g Protein, 99g Multi-Source Carbs – 15 Servings

RIVAL NUTRITION Clean Gainer Protein Powder helps you build lean muscle and gain strength. Each serving packs 560 calories, 30g of protein, and 99g of carbs. It’s perfect for fueling your workouts and recovery.
This powder uses full-spectrum proteins from whey, milk isolate, and micellar casein. These provide essential amino acids to repair and rebuild muscles. The multi-source carbs give you energy and help restore glycogen after training.
It’s safe for sports, tested for over 250 banned substances. Plus, it comes in great flavors like Cookies & Cream and Chocolate Peanut Butter. Enjoy a tasty way to meet your fitness goals.
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Perfect For:
This protein powder is perfect for anyone who wants to gain lean muscle and increase strength. It’s great for active people looking for quality calories and fast recovery after workouts.
Ready to Purchase?
10. BEYOND RAW Dynamic Gainer | High-Tech Mass Gainer | Optimized Absorption, Enhanced Strength, and Joint Stability | Vanilla Cheesecake | 15 Servings

BEYOND RAW Dynamic Gainer is a high-tech mass gainer designed for bigger gains. It comes in Vanilla Cheesecake flavor with 15 servings. This product uses better science to help you grow stronger.
It has plasma-ionized whey isolate for better amino acid absorption. It also includes creatine, myHMB, and Velositol for muscle growth. These ingredients work together to support your goals.
The formula contains Tendoforte collagen peptides for joint stability. This helps you handle heavy lifts with ease. BEYOND RAW Dynamic Gainer is your all-in-one solution for strength and recovery.
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Perfect For:
This product is perfect for anyone looking to build muscle and improve their strength. It’s great for those who want better joint support while lifting heavy weights.
Ready to Purchase?
Buying Guide
Mass gainers are a great way to build muscle and gain weight. With so many options, finding the best one can be tricky.
We’ve researched and tested the top mass gainers with 15 servings to help you make an informed decision. Our guide will help you find the perfect fit for your goals and preferences.
When buying a mass gainer, consider these key factors:
- Calories: Look for a product with high calories per serving, typically between 500-1200 calories, to support weight gain and muscle growth.
- Protein: Choose a mass gainer with high-quality protein, such as whey or casein, to support muscle repair and growth. Aim for 30-50g of protein per serving.
- Carbohydrates: Opt for complex carbohydrates, like oats or quinoa, to provide sustained energy and support muscle recovery.
- Ingredients: Check for natural ingredients, no artificial colors or flavors, and added vitamins and minerals for overall health.
- Flavor and Taste: Select a flavor you enjoy, such as chocolate, vanilla, or cookies & cream, to make your mass gainer experience more pleasant.
- Mixability: Ensure the product mixes well with water or milk to avoid clumping and ensure a smooth texture.
- Brand Reputation: Choose a reputable brand with positive reviews and third-party testing to ensure quality and safety.
- Price and Value: Consider the cost per serving and overall value of the product, balancing quality and affordability.
With these factors in mind, you’ll be able to choose the best mass gainer for your needs and achieve your fitness goals.