Updated: 17 Jan 2025

10 Best weight gainers of 2025

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Updated: 17 Jan 2025

#1

Best Choice
Naked Strawberry Mass - 1,500 Calories, 50G Protein, Nothing Artificial. Strawberry Weight Gainer Protein Powder - 8lb Bulk, GMO Free, Gluten Free & Soy Free

9.9

Naked Nutrition

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Why we love it

High protein content for muscle growth.

Free from artificial additives.

Versatile for various recipes.

Main highlights

Nutrient Packed Formula
Offers 50g protein and 1,500 calories per serving.

Ideal for Weight Gain
Perfect for those looking to increase muscle mass.

Praised Natural Ingredients
Real strawberries, no artificial flavors or colors.
#2

Best Value
Genius Muscle Builder & Mass Gainer Supplement, Salted Caramel - 100% Naturally Flavored & Sweetened - Anabolic Activator for Men & Women - Weight Gainer, Lean Muscle Growth for Bodybuilding

9.8

The Genius Brand

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Main highlights

Muscular Health, Function, and Performance*: Genius Muscle by The Genius Brand optimizes every aspect required for muscle growth with measurable results in men and women.* Made in the USA with a 100% transparent formula. Naturally flavored and sweetened with no banned substances. Strawberry Vanilla Cream flavor. 30 scoops per container.

Increase Power and Endurance*: Peak O2, an organic combination of 6 Ayurvedic mushrooms, has been shown to improve workout duration, strength, time to exhaustion, and much more.* Mediator Phosphatidic Acid has been shown to provide double the muscle mass gain, increased strength, and fat mass loss in individuals engaged in weight-bearing exercise and adequate protein intake.*

Healthy Muscles, Healthy Life: Build ageless muscle without altering hormone function.* Premium ingredient MyoeDge combines HMB with Vitamin D to promote muscle health, improve lean muscle mass, increase muscle function, and optimize bone quality.*
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How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
#3
Naked Mass - All Natural Weight Gainer Protein Powder - 8lb Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients

9.6

Naked Nutrition

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Main highlights

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.

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.
#4
Naked Mass - Vanilla Vegan Weight Gainer - 8Lb Bulk, Gmo Free, Gluten Free, Soy Free & Dairy Free. No Artificial Ingredients - 1,230 Calories - 11 Servings

9.5

Naked Nutrition

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Why we love it

High calorie and protein per serving.

Clean, natural ingredient list.

Suitable for sensitive stomachs.

Main highlights

High Calorie and Protein Content
Provides 1,230 calories and 50g protein per serving for effective weight gain.

Ideal for Weight Gain and Muscle Building
Perfect for those with fast metabolism or seeking muscle mass increase.

Praised for Clean Ingredients
Customers appreciate the GMO-free, gluten-free, and dairy-free formula with no artificial additives.
#5
Jacked Factory Build-XT Daily Muscle Builder & Performance Enhancer - Muscle Building Supplement for Muscular Strength & Growth | Trademarked Ingredients Peak02, ElevATP, & Astragin - 120 Veggie Pills

9.4

Jacked Factory

-40%

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Main highlights

Unlock Peak Performance: Elevate your workouts with Build-XT, powered by Peak02 mushroom complex. This adaptogenic marvel enhances endurance, allowing you to push your limits and train harder.

No Miracle, Just Maximization: Build-XT is a powerful supplement that amplifies your efforts in the gym. Remember, no supplement can replace effective training and nutrition, but Build-XT empowers you to push your limits, leading to enhanced muscular gains when combined with your hard work and dedication.

Fuel Your Cells: ElevATP, the secret behind Build-XT, stimulates ATP production which is your primary cellular energy source. Experience improved athletic performance, strength, and lean muscle gains, while achieving your body composition goals.
#6
Nutricost Mass Gainer (Chocolate Peanut Butter Flavor, 6.7 LBS) 50 Grams of Protein Per Serving - Non-GMO

9.3

Nutricost

-29%

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Main highlights

Includes Whey Protein Concentrate, Creatine Monohydrate, and L-Glutamine

6.7 Pounds of Chocolate Peanut Butter Flavored Mass Weight Gainer Per Container

50 Grams of Protein Per Serving (9 Servings)
#7
MRM Nutrition Gainer Protein with Probiotics + Postbiotics | Vanilla Flavored | 25g Protein | Whey Concentrate + Isolate + micellar Casein| Slow + Fast digesting| with Digestive enzymes | 18 Servings

9.2

MRM

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Why we love it

Supports lean muscle growth.

Includes probiotics for gut health.

Natural ingredients, no artificial additives.

Main highlights

Protein and Fat Balance
Supports lean muscle growth with protein and healthy fats.

Ideal for Weight Gain
Perfect for athletes and individuals looking to gain mass.

Digestive Health Benefits
Praised for probiotics and enzymes aiding digestion.
#8
Naked Vegan Weight Gainer

9.0

Naked Nutrition
#9
Dymatize Super Mass Gainer Protein Powder, 1280 Calories & 52g Protein, Gain Strength & Size Quickly, 10.7g BCAAs, Mixes Easily, Tastes Delicious, Gourmet Vanilla, Gourmet Vanilla, 6 Pound (Pack of 1)

8.9

Dymatize

-11%

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Why we love it

High calorie for mass gain.

Rich in protein and BCAAs.

Tasty vanilla flavor.

Main highlights

High Caloric and Protein Content
Provides 1310 calories and 52g protein per serving for mass gain.

Ideal for Hard Gainers
Perfect for individuals struggling to gain weight or muscle mass.

Praised for Taste and Consistency
Customers appreciate the gourmet vanilla flavor and smooth mixing.

-11%
#10
Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)

8.7

Optimum Nutrition

-11%

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Why we love it

High calorie content for weight gain.

Great taste and easy to mix.

Supports muscle growth and recovery.

Main highlights

High Calorie and Protein Boost
Over 1,200 calories and 50g of protein per serving for muscle gain.

Ideal for Hardgainers
Perfect for individuals struggling to meet daily calorie needs.

Praised for Taste and Mixability
Customers love the flavor and easy mixing of Serious Mass.

-11%

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10 Best weight gainers of 2025

Naked Strawberry Mass - 1,500 Calories, 50G Protein, Nothing Artificial. Strawberry Weight Gainer Protein Powder - 8lb Bulk, GMO Free, Gluten Free & Soy Free

9.9

Why we love it

Main highlights

Genius Muscle Builder & Mass Gainer Supplement, Salted Caramel - 100% Naturally Flavored & Sweetened - Anabolic Activator for Men & Women - Weight Gainer, Lean Muscle Growth for Bodybuilding

9.8

Main highlights

Naked Mass - All Natural Weight Gainer Protein Powder - 8lb Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients

9.6

Main highlights

Naked Mass - Vanilla Vegan Weight Gainer - 8Lb Bulk, Gmo Free, Gluten Free, Soy Free & Dairy Free. No Artificial Ingredients - 1,230 Calories - 11 Servings

9.5

Why we love it

Main highlights

Jacked Factory Build-XT Daily Muscle Builder & Performance Enhancer - Muscle Building Supplement for Muscular Strength & Growth | Trademarked Ingredients Peak02, ElevATP, & Astragin - 120 Veggie Pills

9.4

Main highlights

Nutricost Mass Gainer (Chocolate Peanut Butter Flavor, 6.7 LBS) 50 Grams of Protein Per Serving - Non-GMO

9.3

Main highlights

MRM Nutrition Gainer Protein with Probiotics + Postbiotics | Vanilla Flavored | 25g Protein | Whey Concentrate + Isolate + micellar Casein| Slow + Fast digesting| with Digestive enzymes | 18 Servings

9.2

Why we love it

Main highlights

Naked Vegan Weight Gainer

9.0

Dymatize Super Mass Gainer Protein Powder, 1280 Calories & 52g Protein, Gain Strength & Size Quickly, 10.7g BCAAs, Mixes Easily, Tastes Delicious, Gourmet Vanilla, Gourmet Vanilla, 6 Pound (Pack of 1)

8.9

Why we love it

Main highlights

Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)

8.7

Why we love it

Main highlights

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Naked Mass - All Natural Weight Gainer Protein Powder - 8lb Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients

Naked Vegan Weight Gainer

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