There are several powerful fattening pills or weight gain supplements and pills of which some are more effective while others are not.
However, improper use of weight gain supplements or picking the wrong supplement can cause health problems.
Therefore, using the correct and best protein powder for weight gain can help you gain weight faster and safely.
This article provides you with the most powerful weight gain supplements and pills that will make you gain weight within 2 weeks.
List of best weight gain supplements and pills
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Serious Mass Weight Gainer Protein Powder
Serious Mass weight gainer is one of the best weight gainer supplements that has been used over time.
This powerful weight gain supplement contains 1,250 calories per serving and 50 grams of protein for faster muscle growth and muscle recovery as per PubMed.

Therefore, Serious mass weight gainer stands as one of the best post-workout supplement for bodybuilders.
In fact, Serious Mass is also the best protein powder for weight gain as it provides you with the best nutrients for increasing your muscle mass and help you develop the perfect physique.
What it contains
- High-Calorie Weight Gainer: 1,250 Calories per 2-Scoop Serving for faster weight gain
- 50 Grams of Protein per Serving over 250 Grams of Carbohydrates per Serving
- 25 Vitamins & Minerals Plus Creatine and Glutamine for muscle recovery.
Benefits of serious weight gainer supplement
- Weight gain faster
- Improves massive muscle growth
- Improves metabolism
- Faster muscle recovery
- Best post-workout supplement
- No added sugar
Bottom line
Serious Mass weight gainer is one of the best weight gain supplements that contains 1,250 calories per serving and 50 grams of protein that can help you gain weight faster. It is also nutrient-dense to support other body functions
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Nutratech Whey Protein
Nutratech Double Rich Vanilla Whey Powder is one of the most powerful weight gain supplements that helps increase muscle growth and recovery.
It is rich in natural ingredients and antioxidants that help keep muscles healthy.
Nutratech whey protein contains essential amino acids needed to help support the growth of lean muscle, boost energy, and strength.

It is one of the best post-workout supplements as it is packed with 25 grams of protein per scoop that helps boost muscle growth.
What it contains
- 25 grams premium protein per serving and have a low-fat powder formula
- According to PubMed, it has more than 5 grams of BCAAs from protein Supports lean muscle and strength.
Its Health Benefits
- It has 100% natural flavors
- Speed up lean muscle growth and repair optimal muscle support & recovery
- Helps in faster weight gain
- Enable muscle bulges
Bottom line
Nutratech Whey Protein is nutrient-dense and has high protein and BCAAs that support the growth of lean muscle, boost energy, and strength. It can help you gain weight faster and support hard core training. As shown above, it contains natural plant compounds.
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USN Blue Lab 100% Whey Protein
Blue Lab 100% Whey is an ultra-premium blend of the highest quality whey protein isolate.
The fat is, Blue Lab 100% Whey is a very powerful weight gain supplements that help in faster weight gain after workout.

Most weight gainers use this concentrate and hydrolysate supplement for optimal muscle growth.
What is contains
- One serving of Blue Lab 100 % Whey contains 23.5g of premium quality protein
- It also has more than 5g of BCAAs, for faster recovery
Health benefits of Blue Lab 100% Whey protein
- It helps in optimal absorption for muscle gains and nitrogen retention
- Helps in faster muscle gain within a month
- Boost metabolism
- Helps in faster weight gain
Bottom line
Blue Lab 100% Whey is an ultra-premium blend of the highest quality whey protein isolate that helps in faster weught gain.One serving of Blue Lab 100 % Whey contains 23.5g of premium quality protein. It also contains more than 5g of BCAAs, for faster recovery
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USN HardCore Whey
Hardcore Whey is a premium quality whey protein that is rich in amino acid essential for lean muscle growth and recovery.
Furthermore, hardcore whey has advanced hypervol glycotrans system, creatine, and taurine ingredients that stimulates protein into your glycogen stores.
This makes it one of the best weight gain supplements for pre-workout and post workouts.
It also supports vigorous iron-pumping as it boosts strength and muscle endurance.
Health benefits of Hardcore whey
- Maximum muscle growth
- Improves muscle mass gains
- Optimal metabolism
- Improves muscle endurance and performance
Bottom line
Hardcore whey has advanced hypervol glycotrans system, creatine, and taurine ingredients that stimulates protein into your glycogen stores. It can help you gain weight faster as many bodybuilders use this supplements to improve thier workout performance and build lean muscles. This weight gain supplement is all you need for bigger muscles.
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Carnivor Mass
Carnivor Mass is another most powerful weight gain supplement that is fueled by 50g of beef protein isolate and over 700 calories.
The goodness with Carnivor Mass is that it is cholesterol-free and low in fat.
Therefore, most bodybuilders prefer using it as compared to other weight gain supplements.
It helps in rapid muscle growth and recovery. It is one of the best post-workout supplements for weight lifters.
Use carnivore mass the Ultimate Weight Gainer supplement.
Health benefits of Carnivor mass
- Does not cause stomach distress
- It is free of common food allergens
- Helps in faster weight gain
- Boost digestion system
- Bulges muscles within a few weeks on exercise
- 100% Beef Protein Isolate Weight Gainer
- Supports muscle mass, strength and recovery
What it contains
- Contains over 700 Calories
- It has 50g of Beef Protein Isolate
- It contains 125g Carbs & Low Fat
Bottom line
Carnivor Mass is fueled by 50g of beef protein isolate and over 700 calories. It also contains 125g Carbs & Low Fat. This weight gain supplement is safe for use as it free of common food allergens and helps boost your digestive system. Use this weight gain supplement for bigger muscles.
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NitroTech Protein
Nitro-Tech is a powerful bodybuilder supplement that contains essential nutrients for muscle growth.
It helps to build more strength than regular whey protein.
For faster weight gain, use this weight gain supplements over regular whey protein.
It helps in faster lean muscle growth, and weight gain

Furthermore, It has no side effects and contains a variety of ingredients essential for muscle development.
What it contains
- It contains 5g of glutamine & precursor
- Also has 6.8g of BCAA amino plus 3g dose of HPLC-Tested creatine monohydrate in each serving
Its health benefits
- It builds more strength than regular whey protein
- Scientifically proven safe and powerful weight gain supplements
- Aids in faster muscle growth and recovery
Bottom line
Nitro-Tech protein is one of the best weight gain supplement that contains 5g of glutamine & precursor and 6.8g of BCAA amino plus 3g dose of HPLC-Tested creatine monohydrate in each serving. This active ingredients helps in faster muscle gain and recovery.
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Muscle Maxx
Blade Muscle Maxx gainer is a very powerful weight gain supplements that contain 20% of protein.
The presence of essential protein helps in muscle recovery and muscle mass growth.
It also rich in whey protein concentrate. In fact, Blade Muscle Maxx provides the body most essential 9 amino acids for l for life.
What it contains
- High-quality gainer with 4-carbohydrates
- 20% WPC (whey protein concentrate)
- 6500mg creatine-monohydrate per serving
- Delicious tastes
Bottom line
Blade Muscle Maxx gainer is contains high-quality gainer with 4-carbohydrates, 20% WPC (whey protein concentrate) and 6500mg creatine-monohydrate per serving.
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MuscleTech Mass Tech Extreme 2000 Mass Gainer
It is one of the best weight gain supplements for you.
Muscle Tech mass increases muscle size and strength.
Mass-Tech Extreme 2000 is best for bodybuilders and athletes who want to build lean muscle and increase strength without adding extra fat to their physique.

It contains high-density clean calories for faster weight gain.
What it contains
- It has 80g of protein
- Contains over 400g of carbs and 2,000 mass-producing calories
- It has additional 8g of L-leucine (when mixed with 16 Ounce of skim milk)
- Has 10g of creatine, and 20 vitamins and minerals
Its health benefits
- It has more protein, and calories than other mass gainers
- Support faster muscle growth and recovery
- Improves strength and performance
- Increase body size faster
Bottom line
Mass-Tech Extreme is nutrient dense and can help you gain weight faster. It is high in calories, protein, enough l-leucine, creatine abd vitamins and minerals.
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Signature Mass Gainer Protein Powder
Signature Mass Gainer is very rich in most essential nutrients.
It is stocked with 810 calories, 67 grams of muscle-building protein, and 110 grams of carbohydrates.
This helps in faster weight gain and muscle recovery.

How to use it
It is very easy to use, simply combine Signature Mass Gainer with milk or water.
Just add 2 scoops to 16-20 ounces of cold water or milk, and mix thoroughly.
Bottom line
Signature Mass Gainer is stocked with 810 calories, 67 grams of muscle-building protein, and 110 grams of carbohydrates that help in weight gain.
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Combat XL Mass Gainer
Muscle Pharm Combat XL is another unique weight-gaining supplement formulated with dense, functional calories.
This promotes muscle recovery allowing you to gain bigger muscles faster.
It also has other essential nutrients that boost muscle growth.
Health benefits Combat XL
- It is a revolutionary weight gaining supplement
- Its formulated with dense, functional calories
- Contains essential nutrients partitioned to create the perfect muscle building
- Contains 4 sources of protein
- works to promote muscle recovery
Bottom line
Combat XL is unique weight-gaining supplement formulated with dense, functional calories and 4 sources of protein for bigger muscles.
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USN Hyperbolic Mass Gainer
Hyperbolic Mass is another best weight gain supplements that are all in one mass gainer.
It contains an advanced amino acid formulation including the addition of Glutamine that is essential for muscle repair, recovery, muscle endurance, and energy levels.
Hyperbolic Mass is high in protein and contains a 5-stage Glyco-Matrix Carb System that stimulates glycogen stores.

It is also one of the best protein powder for weight gain.
This helps in faster weight gain.
Benefits of Hyperbolic mass gainer
- Optimized with quality amino acids that help in weight gain
- Speed up muscle development
- Boost muscle mass gains
- Boost metabolism
Bottom line
Hyperbolic Mass is high in protein and contains a 5-stage Glyco-Matrix Carb System that stimulates glycogen stores. It also as addition of Glutamine that is essential for muscle repair, recovery, muscle endurance, and energy levels.
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Universal Nutrition Gain Fast 3100
One of the best weight gainers available in the market is Universal Nutrition Gain Fast 3100.
It contains 3100 quality calories for faster weight gain.
Universal Nutrition Gain Fast 3100 contains enough protein and carbohydrates.
It also has very low fat. This enables it to speed up muscle growth and recovery.
Health benefits of Universal Nutrition Gain Fast 3100
- Most advanced weight gaining formula
- containing MCT’s that improves muscle endurance
- Offers you a 3000 plus calorie potential
- Contains low fat
Bottom line
Universal Nutrition Gain Fast 3100 is nutrient-dense, rich in calories, protein and containing MCT’s that improves muscle endurance. In fact, It contains 3100 quality calories for faster weight gain as its name sounds.
Summing it up
Using the above listed powerful weight gain supplements can enable get enough calories, protein, amino acids and other ingredients essential for faster weight gain.
The fact is mass gainer supplements aren’t necessary if you can get enough calories from food.
Always ensure you use the mass gainer supplements correctly if want weight gain pills at pharmacy in kenya.
Do not overdose.
Seek medical advice or consult over the counter before using the supplements.