If you're looking to pack on serious muscle mass in 2024, you'll want to weigh the top mass gainers available. These powerful supplements can be game-changers for your bulking journey, providing the extra calories and nutrients needed to fuel muscle growth. But with so many options on the market, how do you know which ones are truly worth your investment? We've narrowed it down to the three best mass gainers that stand out from the crowd. Each offers unique benefits, but which one will be the perfect fit for your fitness goals?
GNC Pro Performance Weight Gainer (Vanilla Ice Cream)

If you're aiming for significant muscle gains and weight increase, GNC Pro Performance Weight Gainer (Vanilla Ice Cream) is a great choice. Each serving provides a robust 700 calories and 50g of protein, which can help fuel your workouts and replenish your energy. Its unique blend of carbohydrates and added MCTs allows for quick energy absorption, perfect for intense training sessions.
Users enjoy its creamy, milkshake-like texture and how easily it mixes, making it a delightful drink. Plus, it comes with a Banned Substance Tested certification, so you can trust that you're consuming safe and effective nutrition. While this product is not for those focused on weight loss, if your goal is to bulk up, you might see notable results in just a few weeks. Keep in mind that maltodextrin is the main ingredient, which may not fit everyone's dietary preferences. Overall, it's a reliable choice for serious gainers, but be ready for the investment and dedication needed to reach your goals.
Best For: Anyone looking to gain weight and build muscle quickly, especially those with fast metabolisms or athletes needing to bulk up.
Pros:
- High in calories and protein (700 calories, 50g protein) for rapid weight gain
- Delicious milkshake-like flavor with easy mixing and various flavor options
- Certified Banned Substance Tested for safe and reliable nutrition
Cons:
- Maltodextrin is the primary ingredient, which may not suit all health goals
- Can be pricey, especially with regular use needed for results
- Not ideal for those wanting to lose weight or maintain a slim figure
Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder

Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder is designed for those who want to build muscle. Each serving packs a solid 650 calories and 60g of protein. This double chocolate-flavored supplement also includes 85g of carbohydrates and a mix of 32 vitamins and minerals, helping to support your immune system with Vitamin C, Zinc, and Vitamin E.
Here are some easy ways to use it:
- Mix it with water or milk for a post-workout shake.
- Blend it with ice cream for extra flavor and calories.
- Use it as a meal replacement between meals.
Many users see great results, with some gaining up to 15 lbs of muscle in just three months. While the taste is generally liked, keep in mind it's a protein supplement, not dessert. For the best outcomes, pair it with a healthy diet and regular exercise. You'll be on your way to muscle building in no time!
Best For: People looking to gain muscle mass and weight with a high-calorie, protein-rich supplement that also supports overall nutrition.
Pros:
- High calorie and protein content per serving, perfect for muscle gain.
- Contains 32 vitamins and minerals for overall health support.
- Can be used as a post-workout shake or meal replacement.
Cons:
- Some users might find the taste lacking without added flavor.
- It can be more expensive than other protein powders.
- May cause unwanted fat gain if not combined with a proper diet and exercise plan.
Rivalus Clean Gainer Chocolate Fudge (10 Pound)

Are you trying to build lean muscle mass? Rivalus Clean Gainer might be just what you need. This high-quality mass gainer provides 30g of dairy protein blend in each serving, along with complex carbohydrates and healthy fats. Made in the USA, it meets strict safety standards, so you can feel confident with every scoop.
Many users love its delicious chocolate fudge flavor and easy mixability. It's also versatile – you can mix it with milk, add it to your coffee, or blend in some fruits for a nutritious shake. The 10-pound size offers excellent value, making it ideal for those serious about their muscle-building goals. One user even shared that they gained 30 pounds of muscle in just four months! For the best results, use a blender and consider adding creatine. Whether you're a fitness fan or just need to increase your calorie intake, Rivalus Clean Gainer could be your new favorite supplement.
Best For: Anyone looking to gain lean muscle mass, athletes who need more calories, and fitness enthusiasts after a reliable mass gainer.
Pros:
- 30g of high-quality dairy protein per serving
- Tasty chocolate fudge flavor with smooth mixing
- Produced in the USA with high safety standards
Cons:
- May melt or get damaged if exposed to heat or sunlight during shipping
- Some users may need a blender for the best mixing results
- The large 10-pound size might be hard to store or carry for some users
Factors to Consider When Choosing Mass Gainers

When you're on the hunt for the perfect mass gainer, there's more to reflect on than just grabbing the first tub you see. You'll want to look at several key factors that can make or break your muscle-building journey. Let's explore the essential elements you should keep in mind, from calorie content to taste and everything in between.
Calorie and Protein Content
When choosing a mass gainer, it's important to look closely at its calorie and protein content to meet your muscle growth goals. Most mass gainers contain about 650 to 700 calories per serving. This high calorie count is meant to help you gain weight, but make sure it fits your personal needs.
Protein is also crucial. Most mass gainers offer between 30g to 60g of protein per serving, which is vital for muscle recovery and growth. Look for products that combine different protein sources, like whey and casein. This mix can enhance digestion and improve muscle-building effectiveness.
Don't overlook the carbohydrate content either. Mass gainers typically provide between 85g to 117g of carbs per serving. Carbs help replenish energy and fuel your workouts—think of them as the energy boost for your muscle-building efforts.
Lastly, pay attention to essential amino acids (EAAs) and branched-chain amino acids (BCAAs). These nutrients support muscle repair and help prevent breakdown during exercise.
Ingredient Quality and Source
When choosing a mass gainer, it's important to consider the quality and source of the ingredients, not just the calories and protein. Here are some key points to keep in mind:
- Protein Source: Look for mass gainers that use high-quality dairy proteins like whey or casein. These proteins are essential for muscle recovery and growth.
- Carbohydrate Type: Choose products with complex carbohydrates. They provide steady energy and help you gain weight gradually without causing spikes in blood sugar.
- Vitamins and Minerals: Check the label for added vitamins and minerals. These nutrients can help improve your overall health and support your immune system, especially when you're training hard.
- Ingredient Transparency: Review the ingredient list for any allergens or genetically modified ingredients. If you care about your health, you might want to select natural or non-GMO options.
- Energy-Boosting Additives: Consider mass gainers that include medium chain triglycerides (MCTs). These fats are easily absorbed and can improve your workout performance.
Taste and Mixability
When choosing a mass gainer, two important things to consider are taste and mixability. If your shake tastes bad or clumps up, you probably won't stick with it. Many people prefer flavors that taste like desserts, such as chocolate or vanilla, to make their daily routine more enjoyable.
For mixability, look for a product that blends smoothly and doesn't leave any gritty bits. It's best to choose mass gainers that mix well with both water and milk, so you can change it up and keep things interesting.
Here are some tips to improve your mass gainer experience:
- Add fruits, ice cream, or other flavorings to your shake.
- Use different liquids like almond milk or coconut water.
- Play with the powder-to-liquid ratio to find your ideal thickness.
While some users focus mainly on taste, others want a good balance between flavor and nutrition. Finding a mass gainer you enjoy will make your muscle-building journey easier and more enjoyable.
Cost and Value
When choosing mass gainers, it's important to keep your budget in mind while also focusing on your muscle growth. Here are some key factors to help you get the best value:
- Cost per serving: Bigger containers usually offer a better deal. Don't just look at the price tag; calculate the cost per scoop to find the best option.
- Protein and calorie content: Check the nutrition label to see how much protein and calories you're getting for the price. You want a product that provides enough without being too expensive.
- Ingredient quality: Higher-quality ingredients might cost more, but they can be better for your health. Think of it like choosing between fast food and a homemade meal; sometimes, spending a little more is worth it.
- Added nutrients: Look for mass gainers that include extra vitamins and minerals. These can make a higher price worthwhile by promoting your overall health.
- Special features: Consider products that are certified free from banned substances or have great flavors. These factors can add to the value and make sure you're happy with your choice.
Specific Fitness Goals
Now that you've thought about cost and value, let's focus on your specific fitness goals when selecting a mass gainer. Your goals will play a big role in choosing the right product for you.
If you want to gain weight quickly, pick a mass gainer with more than 650 calories per serving. This will help you achieve the caloric surplus needed for fast weight gain. Think of it like filling a race car with premium fuel – it will give you quick results!
If you prefer a slower, cleaner bulk, look for gainers with a balanced mix of nutrients. Aim for products with 30-60g of protein per serving and lower sugar levels. This method is more like running a steady marathon than a fast sprint.
Here are some key points to consider when choosing your mass gainer:
- Calorie content (high for rapid gain, moderate for clean bulk)
- Protein amount (30-60g per serving)
- Sugar content (lower for clean bulking)
- Additional nutrients (look for up to 32 essential vitamins and minerals)
- How it fits into your meal plan (is it for post-workout or as a meal replacement?)
Keep these factors in mind, and you'll find the right mass gainer for your needs!
Frequently Asked Questions
Are Mass Gainers Suitable for Vegetarians or Vegans?
You'll find mass gainers suitable for both vegetarians and vegans. Many brands offer plant-based options using pea, rice, or soy protein. Always check the ingredient list to verify it aligns with your dietary preferences and restrictions.
How Long Does It Take to See Results From Using Mass Gainers?
You'll typically see results from mass gainers within 2-4 weeks. However, it's not just about the supplement. You'll need to combine it with proper workouts and a balanced diet for ideal muscle growth.
Can Women Use Mass Gainers, or Are They Designed for Men Only?
Yes, you can use mass gainers regardless of gender. They're not designed exclusively for men. If you're a woman looking to gain muscle mass or weight, mass gainers can be an effective supplement in your nutrition plan.
Are There Any Potential Side Effects of Using Mass Gainers Regularly?
You might experience potential side effects from regular mass gainer use, including digestive issues, unwanted fat gain, and increased blood sugar levels. It's important to monitor your body's response and consult a healthcare professional if you're concerned.
How Do Mass Gainers Differ From Regular Protein Powders in Terms of Nutrition?
Mass gainers differ from regular protein powders by containing more calories and carbs. You'll find they're higher in overall nutrients, designed to help you bulk up faster. They're often used when you're struggling to gain weight.