
Review grade
Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder, Double Chocolate, 10.19 Pounds (Packaging May Vary)
Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder Review
Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder in Double Chocolate flavor is a powerhouse in the world of mass gainers. We have carefully selected this product to be part of our top 5 list for its exceptional quality and performance.
Performance Metrics
- 650 CALORIES per serving provide substantial energy to support your gains.
- 60G PROTEIN BLEND aids in achieving your mass gaining goals with high-quality protein sources.
- 85G CARBOHYDRATES help replenish energy levels post-workout or between meals.
- 7g SUGAR (OR LESS) ensures a healthier option for those monitoring their sugar intake.
- 31 VITAMINS & MINERALS cater to the increased nutrient requirements of active individuals.
Differentiation from Competitors
What sets Optimum Nutrition GS Pro Gainer apart is its comprehensive formula that combines essential nutrients with a delicious taste. The balance of macronutrients and added vitamins and minerals distinguishes this product from competitors, making it a standout choice for those seeking quality gains.
Alternatives and Suitability
While there are other weight gainer protein powders on the market, Optimum Nutrition GS Pro Gainer stands out for its well-rounded nutritional profile and great taste. It is suitable for individuals looking to increase their calorie and protein intake in a convenient and tasty way.
Evolution from Previous Versions
Optimum Nutrition has continuously improved its formulations to meet the evolving needs of fitness enthusiasts. The GS Pro Gainer represents a refinement in the weight gainer category, providing a more complete solution for those striving to achieve their mass gaining goals.
Decision-Making Factors
When considering a weight gainer protein powder, key factors to keep in mind include calorie content, protein quality, carbohydrate sources, sugar levels, and the presence of essential vitamins and minerals. Optimum Nutrition GS Pro Gainer excels in all these areas, making it a compelling choice for individuals serious about their fitness journey.
Design Choices and User Experience
The packaging variations of 5 LB TUBS or 10 LB BAGS offer flexibility to users based on their consumption needs. The product mixes effortlessly, allowing for a hassle-free experience whether using a blender, shaker, or spoon. This user-friendly design enhances convenience and usability.
Pros
- High-quality protein blend with 60g protein supports mass gaining goals
- Contains 31 vitamins and minerals to meet the needs of very active individuals
- Provides 650 calories to support gains
- Mixes effortlessly for convenient post-workout or between meals consumption
Cons
- High carbohydrate content (85g) may not be suitable for low-carb diets

Review grade
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vitamin C, Zinc And Vitamin D For Immune Support, Chocolate, 12 Pound (Packaging May Vary)
Optimum Nutrition Serious Mass Weight Gainer Protein Powder Review
Optimum Nutrition Serious Mass Weight Gainer Protein Powder is a powerhouse supplement designed to support your weight gain goals while providing essential nutrients for overall health. This product has rightfully secured its place in our top 5 list due to its exceptional blend of ingredients and impressive performance metrics.
Performance Metrics
- 1,260 calories per 2-scoop serving
- 50 grams of blended protein per serving
- Over 250 grams of carbohydrates per serving
- Contains 22 vitamins and minerals including immune-supporting Vitamin C, Vitamin D, and Zinc
This weight gainer stands out from competitors with its comprehensive nutritional profile, offering not only calorie and protein support but also a range of essential vitamins and minerals crucial for overall well-being.
Differentiation from Competitors
What sets Optimum Nutrition Serious Mass apart is its focus on not just weight gain but also immune support. The inclusion of Vitamin C, Vitamin D, and Zinc provides an added layer of health benefits, making it a well-rounded choice for individuals looking to bulk up while maintaining their immune system.
Alternatives and Suitability
While there are other weight gainer products on the market, few offer the same level of immune support as Optimum Nutrition Serious Mass. For those prioritizing both weight gain and overall health, this product is a top contender.
Evolution from Previous Versions
Optimum Nutrition has continuously refined its formula to meet the evolving needs of consumers. The addition of immune-boosting vitamins and minerals showcases the brand's commitment to providing more than just basic nutrition.
Decision-Making Factors
When considering a weight gainer, factors such as calorie content, protein blend, and additional nutrients play a crucial role. Optimum Nutrition Serious Mass excels in all these areas, making it a well-informed choice for those seeking a comprehensive supplement.
Design Choices and User Experience
The packaging variation may bring a fresh look, but the core quality of the product remains unchanged. Customers are advised to ensure product integrity by being available during delivery, emphasizing the brand's commitment to product satisfaction.
Pros
- High calorie content for effective weight gain
- Rich in blended protein and carbohydrates for muscle recovery and energy
- Includes essential vitamins and minerals for overall health and immune support
- Versatile - can be customized with various calorie-dense foods for personalized nutrition
Cons
- Packaging may vary, leading to potential confusion for customers
- Product may be susceptible to melting or damage if exposed to heat or sunlight

Review grade
Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Chocolate, 6 Pound (Packaging May Vary)
Optimum Nutrition Serious Mass, Weight Gainer Protein Powder Review
Optimum Nutrition Serious Mass Weight Gainer Protein Powder in Chocolate flavor is a powerhouse product that has rightfully secured its place in our top 5 list. Let's delve into what makes this product stand out and why it's a favorite among fitness enthusiasts.
Performance Metrics
- 1,250 Calories per 2-Scoop Serving
- 50 Grams of Protein per Serving
- Over 250 Grams of Carbohydrates per Serving
- 25 Vitamins & Minerals Plus Creatine & Glutamine
These impressive metrics make Optimum Nutrition Serious Mass a go-to choice for individuals looking to bulk up and meet their caloric and nutritional requirements efficiently.
Differentiation from Competitors
What sets this weight gainer apart is its comprehensive formula that not only provides high-calorie content but also includes essential nutrients like vitamins, minerals, creatine, and glutamine. The absence of added sugar is another standout feature, catering to health-conscious consumers.
Alternatives and Suitability
While there are other weight gainer options in the market, Optimum Nutrition Serious Mass excels in delivering a well-rounded package suitable for individuals aiming for significant weight gain coupled with muscle development. Its versatility in blending with fruits, nuts, and other calorie-dense foods makes it adaptable to various dietary preferences.
Evolution from Previous Versions
Optimum Nutrition has continually refined its Serious Mass formula to meet the evolving needs of consumers. The current version not only focuses on calorie and protein content but also emphasizes the inclusion of vital micronutrients for overall health and performance enhancement.
Decision-Making Factors
When considering a weight gainer, key factors such as calorie density, protein quality, and additional nutritional benefits play a crucial role. Optimum Nutrition Serious Mass ticks all these boxes, making it a strategic choice for individuals seeking efficient weight management.
Design Choices and User Impact
The design of this product, particularly in its chocolate flavor, caters to consumers looking for a delicious yet functional supplement. The ease of blending with various ingredients enhances user experience, allowing for customization based on personal preferences.
Pros
- High calorie content with 1,250 calories per 2-scoop serving
- Rich in protein with 50 grams per serving
- Contains over 250 grams of carbohydrates per serving
- Includes 25 vitamins and minerals, creatine, and glutamine for added nutritional support
- Versatile usage - can be blended with fruits, peanut butter, nuts, and other calorie-dense foods
Cons
- Product may melt or get damaged if exposed to heat or sunlight, requiring customers to be available during delivery

Review grade
Dymatize Super Mass Gainer Protein Powder, 1280 Calories & 52g Protein,10.7g BCAAs, Mixes Easily, Tastes Delicious, Rich Chocolate, 12 Lbs
Dymatize Super Mass Gainer Protein Powder Review
When it comes to packing on mass and fueling muscle growth, the Dymatize Super Mass Gainer Protein Powder stands out as a top contender in the market. With a powerhouse blend of 1280 calories, 52g of protein, and 10.7g of BCAAs per serving, this product is a game-changer for those looking to make serious gains.
Performance Metrics
The impressive 52g of protein per serving, derived from a mix of fast, medium, and slow-digesting sources, provides sustained muscle support throughout the day. Additionally, the 10.7g of BCAAs, including 5.1g of Leucine, help activate Muscle Protein Synthesis, essential for muscle recovery and growth.
Differentiation from Competitors
What sets the Dymatize Super Mass Gainer apart from its competitors is not only its stellar nutritional profile but also its delicious taste. The rich chocolate flavor makes it a treat to consume, especially for those who struggle with the bland taste of traditional protein powders.
Alternatives and Suitability
- For individuals looking for a lower-calorie option, there are leaner protein powders available on the market.
- If taste is a priority, the Dymatize Super Mass Gainer excels in providing a flavorful experience compared to other products.
- Those with dietary restrictions may want to explore plant-based protein powder alternatives.
Product Evolution
Over the years, the Dymatize Super Mass Gainer has evolved to meet the changing needs of consumers. From enhancing its protein blend to improving mixability, each version of the product reflects a commitment to quality and innovation.
Decision-Making Factors
Key factors to consider when choosing the Dymatize Super Mass Gainer include your caloric needs, taste preferences, and fitness goals. Whether you're a hard gainer or an athlete looking to fuel intense workouts, this product offers a comprehensive solution.
Design Choices and User Experience
The user-friendly packaging and easy mixability of the Dymatize Super Mass Gainer ensure a hassle-free experience for consumers. The resealable bag design also adds convenience for storage and portability.
Pros
- High BCAA content with 10.7 grams, including 5.1g Leucine, promoting muscle protein synthesis effectively
- Rich in calories and carbs, providing 1280 calories and 245g of carbs per serving, ideal for mass gaining
- Blend of fast, medium, and slow digesting proteins totaling 52 grams per serving, supporting muscle growth
- Contains 17 vitamins and minerals for balanced nutrition, aiding in muscle tissue health and recovery
Cons
- High calorie content may not be suitable for individuals with lower calorie needs or weight loss goals
- May be too rich in carbs for those following a low-carb or ketogenic diet

Review grade
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vitamin C, Zinc And Vitamin D For Immune Support, Chocolate Peanut Butter, 6 Pound (Packaging May Vary)
Optimum Nutrition Serious Mass Weight Gainer Protein Powder Review
Optimum Nutrition Serious Mass Weight Gainer Protein Powder is a powerhouse supplement designed to support your muscle growth and overall health. Packed with essential nutrients and vitamins, this product has rightfully secured a spot in our top 5 list of weight gainers.
Performance Metrics
- Delivering over 1,200 calories per 2-scoop serving, this weight gainer provides a substantial caloric intake ideal for bulking.
- With 50 grams of blended protein per serving, including Creatine, it supports muscle recovery and growth effectively.
- Over 250 grams of carbohydrates per serving fuel your workouts and aid in muscle glycogen replenishment.
Differentiation from Competitors
What sets Optimum Nutrition Serious Mass apart is its comprehensive blend of nutrients. In addition to the high-calorie content, it includes Vitamin C, Vitamin D, and Zinc, offering immune support crucial for intense training phases.
Alternatives and Suitability
While there are various weight gainers on the market, Optimum Nutrition Serious Mass stands out due to its balanced formula. It is suitable for individuals looking to increase muscle mass and strength effectively.
Evolution from Previous Versions
This latest version of Optimum Nutrition Serious Mass has refined its ingredient profile to include essential vitamins and minerals, enhancing its overall nutritional value. The addition of Creatine, Glutamine, and Glutamic Acid further boosts its performance.
Decision-Making Factors
When considering a weight gainer, factors such as caloric content, protein quality, and additional nutrients play a crucial role. Optimum Nutrition Serious Mass excels in all these aspects, making it a top choice for those seeking significant gains.
Design Choices and User Experience
The packaging variation adds a touch of excitement, and the Chocolate Peanut Butter flavor provides a delicious option for consumers. The versatility of the product allows for customization, catering to individual preferences and dietary needs.
Pros
- High calorie content with over 1,200 calories per 2-scoop serving for effective weight gain
- Rich in blended protein with 50 grams per serving, including Creatine for muscle support
- Abundance of carbohydrates with over 250g per serving to fuel workouts and recovery
- Includes essential vitamins and minerals like Vitamin C, Vitamin D, and Zinc for immune support
- Versatile usage allowing the addition of various calorie-dense foods to enhance weight gain potential
Cons
- High calorie content may not be suitable for individuals with lower caloric needs
- May not be ideal for those looking to limit carbohydrate intake
Ultimate Buyer's Guide to Gain Weight Products
Are you looking to bulk up and achieve your fitness goals? If so, investing in a high-quality gainer product can be a game-changer in your journey. With a plethora of options available in the market, choosing the best gainer can be overwhelming. This comprehensive buyer's guide will walk you through everything you need to know to make an informed decision.
Why Choose a Gainer?
Gainers, also known as weight gainers or mass gainers, are specially formulated supplements designed to help individuals increase muscle mass and overall body weight. Whether you are a fitness enthusiast, an athlete, or someone looking to improve their physique, gainers can provide the extra calories, protein, and nutrients needed to support muscle growth and recovery.
Key Features to Look For:
- Calorie Content: Opt for gainers with a balanced mix of macronutrients, including a high calorie count to support weight gain.
- Protein Quality: Look for products with high-quality protein sources such as whey, casein, or a blend of proteins for muscle repair and growth.
- Carbohydrate Sources: Choose gainers with complex carbohydrates to sustain energy levels during intense workouts.
- Additional Nutrients: Some gainers contain added vitamins, minerals, and creatine to enhance performance and recovery.
- Flavor Options: Consider the taste preferences as you will be consuming the gainer regularly.
How to Choose the Best Gainer:
1. Determine Your Goals
Before selecting a gainer, define your fitness goals, whether it's bulking up, gaining muscle mass, or improving overall strength.
2. Check the Nutritional Profile
Review the calorie, protein, carbohydrate content, and additional ingredients to ensure they align with your dietary requirements.
3. Read Customer Reviews
Take the time to read reviews from other users to gauge the effectiveness and taste of the gainer you are considering.
4. Consider Your Budget
While quality should be a priority, consider the cost per serving and choose a gainer that fits your budget.
5. Consult a Professional
If you are unsure about which gainer to choose, seek advice from a nutritionist or fitness expert to find the best product for your needs.
By following these guidelines and considering the key features mentioned above, you can confidently select the best gainer to support your fitness journey. Remember, consistency in training, proper nutrition, and adequate rest are essential components of achieving your desired results.
Frequently asked questions
A GAINER is a type of protein powder designed to help individuals increase their calorie intake and support weight gain.
GAINER products provide high-calorie content, protein, and other nutrients to support muscle growth and weight gain for individuals looking to increase their mass.
Yes, there are various types of GAINER products on the market, each offering different formulations and ingredients to support weight gain goals.
GAINER products are often consumed between meals, post-workout, or as a snack to increase overall calorie intake and support muscle recovery and growth.
Yes, GAINER products can be customized by adding ingredients like fruits, nuts, or nut butter to enhance flavor and boost calorie content.
It is important to follow the recommended serving sizes and not exceed daily calorie intake goals when using GAINER products to avoid excessive weight gain.
Author
Last update 26.03.2025
Cristian Oprea
Innovation, Automotive, Lifestyle