18 Top Meal Replacements for Quick Weight Gain

Discover the best meal replacement for weight gain with our quick, expert picks to fuel your gains effortlessly and deliciously.
BrandMy RatingPrice
Naturade
Best Cheap Pick
8.2/10
Optimum Nutrition
Best for Rapid Weight Gain
9.0/10
Naturade
Best Cheap Pick
8.2/10
Dymatize
Best for Muscle Building
8.8/10
Boost
9.2/10

Best Meal Replacement for Weight Gain

Looking to pack on healthy pounds without sacrificing flavor or convenience? Discover the ultimate meal replacements designed to fuel your weight gain journey, blending nutrition with ease and a touch of indulgence. Dive into our curated selection of top products that turn a quick meal into a powerful, gains-boosting experience.

Best Cheap Pick: Naturade Weight Gain Drink

Naturade - All Natural Weight Gain Drink Mix - Gluten Free, Delicious Taste, 1600 Calories per Servings - Mass Gainer w/Carbohydrates & Protein - Chocolate, 20.3 Ounce (12 Servings).
Highlights
High calorie content
Natural ingredients
Great taste (milkshake-like)

As our "Best Cheap Pick," Naturade's Weight Gain stands out for packing a hefty 1600 calories per serving at an affordable price, making it perfect for those on a budget.

Its balanced nutrition includes up to 46 grams of carbs and 20 grams of protein per scoop, fueling muscle growth and overall energy.

Plus, it’s made with natural ingredients and is gluten-free, ideal for sensitive diets.

The rich, chocolate flavor feels like a milkshake, turning your calorie intake into a delightful treat.

While it’s a bit pricey per serving and contains artificial flavoring, the award-winning formula makes it a reliable choice for anyone looking to gain weight without sacrificing quality.

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Best for Rapid Weight Gain: Optimum Nutrition Serious Mass

Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)
Highlights
High calorie content
Great taste and mixability
Fast weight gain results

With over 1,200 calories per serving, it’s truly a powerhouse for rapid weight gain.

The 50 grams of protein and over 250 grams of carbs make each shake highly effective, especially if you're looking to pack on muscle or bulk up quickly.

Its great taste and smooth mixability make it easy to incorporate into your daily routine.

Plus, the flexibility to add fruits, peanut butter, or nuts allows you to customize your calories even further.

While it's discontinued, it remains a top choice for serious weight gainers needing fast results.

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Best for Muscle Building: Dymatize Super Mass Gainer

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)
Highlights
High Calorie Content
Supports Muscle Growth
Great Taste

Packed with a hefty 1280 calories per serving, it’s a true powerhouse for anyone looking to bulk up quickly.

The blend of 52 grams of protein—including fast- and slow-digesting options—means your muscles stay fed and fueled over the long haul.

Plus, with 10.7 grams of BCAAs, including 5.1 grams of Leucine, it supercharges muscle protein synthesis, making recovery quicker and muscle growth more efficient.

Although the price is steep and the texture can be a bit gritty, the flavor is surprisingly great, making it a solid choice for serious mass gainers.

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Boost

Boost Very High Calorie Vanilla Nutritional Drink – 22g Protein, 530 Nutrient Rich Calories, 8 Fl Oz (Pack of 24)
Highlights
High calories and protein
Nutrient-rich formulation
Great taste

BOOST Very High Calorie Nutritional Drink packs a punch with 530 calories per 8 oz serving, making it ideal for those aiming to gain weight quickly.

It boasts 22 grams of high-quality protein to help maintain muscle mass, along with 26 essential vitamins and minerals that support immune health, bone strength, and brain function.

The great taste means you can enjoy it over ice or on its own, and the nutrient-rich formula covers all your bases.

While it may be on the pricier side and has a thicker texture for some, its comprehensive nutrition makes it a top choice for weight gain support.

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Soylent Vanilla

Soylent Vanilla Meal Replacement Shake, Ready-to-Drink Plant Based Protein Drink, Contains 20g Complete Vegan Protein and 1g Sugar, 14oz, 12 Pack
Highlights
Nutritious, balanced formula
Plant-based protein source
Ready-to-drink convenience

Soylent’s vegan shakes deliver a completely nutritious boost with a creamy vanilla flavor that feels like a treat.

Perfect for those seeking a balanced blend of proteins, fats, and carbs, it keeps you full and energized without sacrificing health.

With 20 grams of complete plant-based protein and 28 vitamins and minerals, it supports muscle building, immunity, and hydration.

Whether you're in a rush or craving a wholesome post-workout snack, these shelf-stable drinks make nutrition quick, easy, and efficient—no fuss, no artificial ingredients.

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Ensure Plus Strawberry Meal Replacement for Weight Gain

Ensure Plus Strawberry Nutrition Shake With Fiber | Meal Replacement Shake | Ready To Drink | 16g Protein and 27 Vitamins and Minerals | 8 fl oz - 24 Pack
Highlights
Clinically proven weight gain
Rich in vitamins & minerals
Great strawberry flavor

The Ensure strawberry shake is clinically proven to help you gain weight, making it a reliable choice for those looking to bulk up or maintain a healthy weight.

Packed with 27 essential vitamins and minerals plus 16g of protein, it supports muscle, heart, and bone health while boosting your immune system with antioxidants like vitamins C & E and selenium.

The delicious strawberry flavor makes it easy to enjoy as a quick meal or snack.

While it's not super filling and does contain added sugars, its doctor-recommended status and proven effectiveness make it a top contender for anyone in need of a nutritional boost.

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TransformHQ

TransformHQ Meal Replacement Shake Powder 7 Servings (Strawberry & Cream) - Gluten Free, Non-GMO
Highlights
Delicious strawberry flavor
Creamy texture, no lumps
High protein content

The delicious strawberry & cream flavor makes each shake a treat, turning what could be a chore into a moment to enjoy.

The creamy texture ensures there are no lumps, blending smoothly every time.

With an impressive 40.4g of protein per serving, it’s ideal for those looking to gain weight while satisfying their sweet tooth.

Plus, it's gluten-free and Non-GMO, made in a GMP compliant, FDA-registered facility—so you know you're getting quality.

While the 7-serving size is small, the high-protein content and great flavor make it a top contender for your weight gain goals.

Be sure to also check out the best gummies for weight gain for more options!

Carnation Breakfast Essentials

Carnation Breakfast Essentials Ready to Drink with Fiber, Rich Milk Chocolate, 8 FL OZ Carton (Pack of 24) (Packaging May Vary)
Highlights
Nutrient-rich formula
High-quality protein
Convenient and quick

Carnation Breakfast Essentials is a nutrient-rich formula that delivers a solid boost of high-quality protein—10 grams per serving—to support muscle growth and maintenance.

It’s incredibly convenient, ideal for those rushing mornings or for a quick calorie boost.

Plus, it packs 21 essential vitamins and minerals, including immune-boosting vitamin C and D, making it not just a meal replacement, but a small health boost in a bottle.

While the taste can vary and it’s not the most filling option, its easy digestibility and nutritional punch make it a smart pick for anyone looking to gain weight efficiently.

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Ensure Max Protein Shake Meal Replacement for Weight Gain

Ensure Max Protein Shake | Café Mocha | Meal Supplement Shake | Ready to Drink | 30g Protein for Muscle Building | 1g Sugar, 4g Fiber | 11 fl oz - 12 Pack
Highlights
High protein content
Rich in vitamins & minerals
Supports digestive health

Ensure Max Protein delivers a hefty 30g of protein per shake, making it easy to pack on muscle and curb hunger.

With 25 vital vitamins and minerals, it supports your immune system, bones, and brain, all in a single sip.

The added fiber promotes healthy digestion, while the antioxidant-rich formula keeps you feeling energized.

Plus, with 7 delicious varieties—including caffeinated options that rival your morning coffee—it’s versatile and satisfying.

Just keep in mind the caffeine content if you're sensitive, and be aware of the limited flavor choices.

Overall, a solid choice for quick weight gain support.

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Metabolic Nutrition Musclean

Metabolic Nutrition - Musclean - Milkshake Weight Gainer, Whey High Protein Meal Replacement, Maintenance Nutrition, Low Carb, Keto Diet, Digestive Enzymes, Vanilla, 2.5 Pound (25 ser)
Highlights
Good flavor variety
High protein content
Easy to mix

MuscLean by Metabolic Nutrition offers a powerful protein punch with up to 69 grams per serving, perfect for those looking to gain lean mass.

Its muscle-friendly blend is enriched with essential fatty acids, vitamins, and minerals, making it a well-rounded choice.

The flavor options are a plus, and it dissolves smoothly into milk or recipes—no clumps here!

While the higher fat content might not suit everyone, especially those watching their fat intake, it’s an excellent, versatile option for anyone seeking a quick, effective meal replacement that supports muscle growth and recovery.

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MET-Rx Protein Bars

MET-Rx Big 100 Colossal Protein Bars, Great as Healthy Meal Replacement, Snack, and Help Support Energy, Peanut Butter Pretzel, With Vitamin A, Vitamin C, and Zinc, 100 g, (Pack of 9)
Highlights
High protein content
Rich in vitamins & minerals
Good taste

The MET-Rx Big 100 Protein Bars in Peanut Butter Pretzel flavor deliver a hefty 30 grams of protein per bar, making them perfect for those looking to bulk up quickly.

Packed with 18 vitamins and minerals, they provide a nutritional boost along with that satisfying crunch.

While the bars can be a bit dry and have a tough texture, their rich flavor masks the consistency issues quite well.

Whether used as a meal replacement or a post-workout snack, these bars are a solid choice for anyone aiming to gain weight with convenience and taste in mind.

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Premier Protein Shake Meal Replacement for Weight Gain

Premier Protein Shake, Vanilla, 30g Protein, 1g Sugar, 24 Vitamins & Minerals, Nutrients to Support Immune Health 11.5 fl oz, 12 Pack
Highlights
Great taste (vanilla flavor)
High protein content
Vitamins and minerals included

The classic vanilla flavor truly tastes like vanilla wafers—rich, creamy, and indulgent without any guilt.

With a solid 30g of protein, it’s perfect for curbing hunger or aiding post-workout recovery.

Plus, packed with 24 vitamins and minerals, it supports your immune health and bone strength.

It's a low-fat, keto-friendly treat with just 1g of sugar and only 160 calories per serving.

The smooth, delicious flavor and superior taste—awarded a Gold Medal—make it a top pick if you're looking to gain weight while enjoying every sip.

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SlimFast

SlimFast Protein Shake, Chocolate- 20g Protein, Meal Replacement Shake Ready to Drink, High Protein with Low Carb and Low Sugar, 24 Vitamins and Minerals, 12 Count (Pack of 1) (Packaging May Vary)
Highlights
Rich, chocolate flavor
High in protein (20g)
Curbs hunger effectively

This SlimFast High Protein Shake delivers a rich, silky chocolate flavor that feels like a treat, not a chore.

With a solid 20 grams of protein per serving, it’s excellent at curbing hunger and supporting muscle gain—perfect for those looking to add healthy calories.

The inclusion of 24 vitamins and minerals, along with 5 grams of fiber, helps keep you balanced and energized.

While the texture can be a bit thick and the vanilla flavor feels artificial at times, the overall taste and effectiveness make it a top choice for quick weight gain.

Plus, the eco-friendly packaging is a bonus!

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Soylent Chocolate

Soylent Chocolate Meal Replacement Shake, Contains 16g Complete Vegan Protein, Ready-to-Drink, 11oz, 12 Pack
Highlights
Nutritious & Delicious
Plant-Based Protein
Convenient & On-the-Go

Soylent's chocolate-flavored shake delivers a completely nutritious and absolutely delicious mini-meal that’s perfect for gaining weight.

Packed with 16g of plant-based protein, it provides all nine amino acids, supporting muscle growth and recovery.

Its blend of 28 vitamins and minerals boosts immunity, metabolism, and hydration, making it a versatile choice for busy days.

Plus, it’s vegan, gluten-free, and low in sugar, so you can feel good about your intake.

The rich, creamy flavor makes it an enjoyable way to fuel up, even if the taste is a bit overpowering for some.

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SlimFast Meal Replacement for Weight Gain

SlimFast Meal Replacement Powder, Original French Vanilla, Weight Loss Shake Mix, 10g of Protein, 22 Servings (Packaging May Vary)
Highlights
Great taste (vanilla flavor)
Keeps full for hours
Convenient on-the-go

The Sweet and creamy French Vanilla flavor is a definite hit for those who enjoy a rich, indulgent taste without excessive sugar.

Packed with 24 vitamins and minerals, it supports your nutritional needs while providing 10g of protein and 4g of fiber per shake to help keep you feeling full for up to four hours.

Its convenient, on-the-go packaging makes it easy to enjoy anytime, anywhere — perfect for busy mornings or post-workout refueling.

While the sweetness may be a bit much for some, many find it a satisfying, hunger-busting choice for healthy weight gain.

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Purely Inspired

Purely Inspired All-in-One Vegan Protein Powder for Men & Women, French Vanilla (16 Servings) - Plant-Based Organic Protein Powder for Shakes & Smoothies - Gluten-Free Nutritional Meal Replacement
Highlights
Rich in nutrients
Fuller for longer
Good flavor versatility

Purely Inspired Organic All-in-One shakes pack a serious nutritional punch, with 20g of plant-based protein and a blend of 27 fruits and vegetables, making it a fantastic option for those looking to gain weight healthily.

The French Vanilla flavor is smooth and versatile, blending well with water, milk, or alternatives.

It’s gluten-free, non-GMO, and organic, ensuring you get clean ingredients sans artificial sweeteners or colors.

While some might find the texture thicker or experience minor stomach upset, the added probiotics and immune support make it a well-rounded choice for a flavorful, nutrient-dense meal replacement aimed at weight gain.

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Boost Very High Calorie Nutritional Drink

Boost Very High Calorie Nutritional Drink Very Vanilla, Made with Natural Vanilla Flavor & No Artificial Flavors, Colors & Sweeteners, 8 FL OZ (Pack of 12)
Highlights
High calorie content
Good for weight gain
Great flavor

BOOST Very High Calorie offers a robust 530 calories per 8-ounce serving, making it ideal for those looking to pack on weight efficiently.

The vanilla flavor is surprisingly tasty and blends well, even when mixed into smoothies or other recipes.

It’s a complete, balanced drink packed with 22 grams of protein and 26 essential vitamins and minerals, giving you all-around nourishment.

While it can feel a bit heavy and is on the pricier side, the high-calorie content and great flavor make it a top contender for anyone aiming to gain weight quickly and enjoy their mini-meals along the way.

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Garden of Life Meal Replacement Meal Replacement for Weight Gain

Garden of Life Meal Replacement Shakes, Vegan Protein Powder, Raw Organic Protein Powder, Chocolate Protein Powder with Plant Based Pea Protein, Sprouts, Greens, Probiotics, Dairy Free 28 Servings
Highlights
High protein content
Delicious flavor options
Supports digestion

This vegan, plant-based shake offers an incredible 20g of protein per serving, perfect for those looking to gain weight in a healthy way.

Its silky smooth texture makes it a joy to drink, whether mixed with water or blended into a smoothie.

Plus, it’s packed with fiber, vitamins, and minerals, supporting digestion and overall wellness.

Not to mention, the savory chocolate flavor is delicious and far from chalky.

While it can be a bit thick and may require extra liquid, its certified organic, gluten-free, and non-GMO credentials make it a trustworthy choice for bulk-up nutrition.

Be sure to also check out the best lactose free weight gainer for more options!

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