10 Best Mass Gainer Protein Powders For Ultimate Gains

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If youโ€™re chasing real gains, mass gainer powders can help you hit those daily calorie and protein targets without่ฟ‡much extra effort. Youโ€™ll want blends that mix well, use multi-source proteins, and include digestible carbs plus enzyme blends, all with transparent labeling. But with so many options, which ones truly deliver? Letโ€™s explore the top picks and what makes them stand out, so you can decide what fits your goals.

Key Takeaways

  • Focus on high-calorie per-serving mass gainers (1200โ€“1350+ calories) with about 50 g protein to maximize energy delivery and muscle recovery.
  • Prioritize products with multi-source protein blends (whey, casein, etc.) to support muscle protein synthesis over time.
  • Assess carbohydrate load per serving (200โ€“250+ g) to drive energy; consider quality sources like oats or tapioca maltodextrin.
  • Check digestive support and enzyme blends to improve tolerance on high-calorie shakes and reduce bloating.
  • Review ingredient transparency, certifications, and flavor options to ensure quality and consistent results.

Our Top Mass Gainer Picks

Crazy Nutrition Mass GainerMass Gainer Crazy NutritionBest Overall Mass GainerProtein per serving: 40 gCalories per serving: 488Carbohydrates per serving: 56 gVIEW LATEST PRICERead Our Analysis
Nutricost Mass Gainer Cookies N Cream Non-GMONutricost Mass Gainer Cookies N Cream Non-GMONon-GMO FavoriteProtein per serving: 50 gCalories per serving: Not specified per-serving (weight/servings vary; not explicit)Carbohydrates per serving: Not specifiedVIEW LATEST PRICERead Our Analysis
Forzagen Lean Gainer: Premium Mass Builder Dutch ChocolateForzagen Lean Gainer: Premium Mass Builder Dutch ChocolatePremium Bulk BuilderProtein per serving: 50 gCalories per serving: 1260Carbohydrates per serving: 250 gVIEW LATEST PRICERead Our Analysis
All Natural Vanilla Mass Gainer Protein Powder (8 lb)All Natural Vanilla Mass Gainer Protein Powder (8 lb)Clean All-Natural GainerProtein per serving: 50 gCalories per serving: 1,260Carbohydrates per serving: 251 gVIEW LATEST PRICERead Our Analysis
Serious Mass Strawberry Weight Gain Protein Powder | 12 lbsSerious Mass Strawberry Weight Gain Protein Powder | 12 lbsClassic Bulk PowerProtein per serving: 50 gCalories per serving: 1,250Carbohydrates per serving: 250+ gVIEW LATEST PRICERead Our Analysis
BSN TRUE-MASS Weight Gainer Vanilla Ice CreamBSN TRUE-MASS Weight Gainer Vanilla Ice CreamUltra-High Calorie MassProtein per serving: 50 gCalories per serving: 1,200+ (implied โ€œover 1200โ€)Carbohydrates per serving: 215 gVIEW LATEST PRICERead Our Analysis
Maximum Human Performance Mass Gainer – Cookies & CreamMaximum Human Performance Mass Gainer - Cookies & CreamInformed-Sport Mass BuilderProtein per serving: 50 gCalories per serving: 1350Carbohydrates per serving: Not specifiedVIEW LATEST PRICERead Our Analysis
GNC AMP Mass XXX Weight Gainer Protein PowderGNC AMP Mass XXX Weight Gainer Protein PowderClinically Supported GainsProtein per serving: 50 gCalories per serving: 780Carbohydrates per serving: Not specifiedVIEW LATEST PRICERead Our Analysis
Genius Muscle Health Supplement with 6 Organic MushroomsGenius Muscle Health Supplement with 6 Organic MushroomsMuscle Health OptimizerProtein per serving: Not explicitly listing per-serving protein (information focuses on mushrooms; not applicable)Calories per serving: Not specified per-serving (focus on mushrooms)Carbohydrates per serving: Not applicableVIEW LATEST PRICERead Our Analysis
Now Sports Mass Gainer Protein Powder (Creamy Chocolate)Now Sports Mass Gainer Protein Powder (Creamy Chocolate)Trusted Everyday GainerProtein per serving: 41 gCalories per serving: 560Carbohydrates per serving: Easily absorbable carbohydrates (not a specific gram amount)VIEW LATEST PRICERead Our Analysis

More Details on Our Top Picks

  1. Crazy Nutrition Mass Gainer

    Mass Gainer Crazy Nutrition

    Best Overall Mass Gainer

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    Mass Gainer Crazy Nutrition stands out for delivering a substantial 488 calories and 40 grams of protein per serving, making it a strong pick if your goal is rapid mass gains without overwhelming sugar spikes. You get 56 grams of clean carbohydrates per serving, supporting energy during workouts and recovery. The formula includes the DigeZyme enzyme complex to aid digestion and nutrient absorption, helping you feel less bloated. With 20 servings per pouch, you can fit it into daily use without guesswork. Itโ€™s designed to minimize sugar spikes, supporting steady progress while you train hard. Flavors include chocolate and vanilla, catering to taste preferences.

    • Protein per serving:40 g
    • Calories per serving:488
    • Carbohydrates per serving:56 g
    • Brand type (mass gainer category):Mass Gainer
    • Flavor:Chocolate, Vanilla
    • Marketing claim focus (muscle gain outcome):Pack on gains, muscle size, recovery
    • Additional Feature:DigeZyme digestion support
    • Additional Feature:4 scoops serving size
    • Additional Feature:Daily meal replacement option
  2. Nutricost Mass Gainer Cookies N Cream Non-GMO

    Nutricost Mass Gainer Cookies N Cream Non-GMO

    Non-GMO Favorite

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    Looking for a high-protein mass gainer that caters to non-GMO preferences? Nutricost Mass Gainer Cookies N Cream delivers with 50 grams of protein per serving and nine servings per container. Each scoop blends whey protein concentrate, creatine monohydrate, and L-glutamine, all in a Cookies N Cream flavor within a 6.9 lb package. Youโ€™ll value the non-GMO designation and independent lab testing in NSF-certified facilities for quality and safety. This product is GMP-compliant and FDA-registered, reinforcing reliability. If you want a non-GMO option that supports gains, this mass gainer checks those boxes.

    • Protein per serving:50 g
    • Calories per serving:Not specified per-serving (weight/servings vary; not explicit)
    • Carbohydrates per serving:Not specified
    • Brand type (mass gainer category):Mass Gainer
    • Flavor:Cookies N Cream
    • Marketing claim focus (muscle gain outcome):Mass gain with protein and creatine components
    • Additional Feature:Non-GMO designation
    • Additional Feature:Contains creatine monohydrate
    • Additional Feature:NSF/GMP/FDA registered facility
  3. Forzagen Lean Gainer: Premium Mass Builder Dutch Chocolate

    Forzagen Lean Gainer: Premium Mass Builder Dutch Chocolate

    Premium Bulk Builder

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    Forzagen Lean Gainer Premium Mass Builder is a standout choice for seriously ambitious lifters, thanks to its ultra-high-calorie formula that supports rapid mass gains. You get 1260 calories per serving, 50 g of protein, and 250 g of carbohydrates from natural sources like oats, yams, and sweet potatoes. This premium blend fuels size and strength, suitable for athletes of all genders. Use four scoops post-workout or as a high-protein supplement to maintain energy and muscle growth. Dutch Chocolate delivers an enjoyable shake experience, while essential fats and vital nutrients round out a nutrient-rich formula for balanced performance.

    • Protein per serving:50 g
    • Calories per serving:1260
    • Carbohydrates per serving:250 g
    • Brand type (mass gainer category):Lean Gainer / Mass Builder
    • Flavor:Dutch Chocolate, Creamy Vanilla
    • Marketing claim focus (muscle gain outcome):Extreme muscle mass gain, size and strength
    • Additional Feature:250 g carb per serving
    • Additional Feature:Natural carbohydrate sources
    • Additional Feature:Post-workout recovery option
  4. All Natural Vanilla Mass Gainer Protein Powder (8 lb)

    All Natural Vanilla Mass Gainer Protein Powder (8 lb)

    Clean All-Natural Gainer

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    If youโ€™re aiming to bulk up with clean, multi-phase protein and high-calorie support, the All Natural Vanilla Mass Gainer Protein Powder (8 lb) stands out. This GMO-free, gluten-free, soy-free powder delivers 1,260 calories per serving, with 50g protein and 251g carbs, across 11 servings. It blends Naked Whey and Naked Casein with organic tapioca maltodextrin and organic coconut sugar, plus vanilla, all without artificial sweeteners, flavors, or colors. Use it on a high-calorie plan to transform from hard gainer to pro gainer. Versatile for shakes, smoothies, or baked goods, it boosts calories while supporting steady protein synthesis.

    • Protein per serving:50 g
    • Calories per serving:1,260
    • Carbohydrates per serving:251 g
    • Brand type (mass gainer category):Mass Gainer Protein Powder
    • Flavor:Vanilla
    • Marketing claim focus (muscle gain outcome):High calorie for weight gain, steady energy
    • Additional Feature:All natural ingredients
    • Additional Feature:GMO free, gluten free, soy free
    • Additional Feature:Multi-phase protein blend
  5. Serious Mass Strawberry Weight Gain Protein Powder | 12 lbs

    Serious Mass Strawberry Weight Gain Protein Powder | 12 lbs

    Classic Bulk Power

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    This Serious Mass Strawberry Weight Gain Protein Powder (12 lbs) stands out for those aiming rapid bulk, delivering a hefty 1,250 calories and 50 grams of protein per serving to fuel size goals and faster recovery. You get 250+ grams of carbohydrates per serving, supporting sustained energy and mass gains. Each serving combines creatine, glutamine, and glutamic acid with 25 essential vitamins and minerals, all without added sugar. It’s designed for post-workout or between-meal shakes to aid weight gain and physique development. Instantized texture helps smooth mixing, and the strawberry flavor makes daily use easier while pursuing rapid bulk.

    • Protein per serving:50 g
    • Calories per serving:1,250
    • Carbohydrates per serving:250+ g
    • Brand type (mass gainer category):Weight Gain Protein Powder
    • Flavor:Strawberry
    • Marketing claim focus (muscle gain outcome):Aid weight gain, physique development
    • Additional Feature:No added sugar
    • Additional Feature:Post-workout and between-meal use
    • Additional Feature:12 lb quantity
  6. BSN TRUE-MASS Weight Gainer Vanilla Ice Cream

    BSN TRUE-MASS Weight Gainer Vanilla Ice Cream

    Ultra-High Calorie Mass

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    BSN TRUE-MASS Weight Gainer in Vanilla Ice Cream stands out for serious mass builders with its ultra-high-calorie formula, delivering over 1,200 calories per serving to fuel rapid gains. You get 50 grams of multi-source protein and 215 grams of carbohydrates per scoop, mainly from rolled oats, supporting both muscle synthesis and energy. This ultra-premium mass gainer includes BCAAs and essential amino acids to back recovery. Beware of heat or sun exposure that can melt or damage the product. Ensure youโ€™re available during delivery to receive it, and use as part of a calorie-dense routine designed for steady hypertrophy.

    • Protein per serving:50 g
    • Calories per serving:1,200+ (implied โ€œover 1200โ€)
    • Carbohydrates per serving:215 g
    • Brand type (mass gainer category):Weight Gainer
    • Flavor:Vanilla Ice Cream
    • Marketing claim focus (muscle gain outcome):Mass gain, muscle building
    • Additional Feature:Carbs from rolled oats
    • Additional Feature:50 g multi-source protein
    • Additional Feature:Heat/sunlight caution note
  7. Maximum Human Performance Mass Gainer – Cookies & Cream

    Maximum Human Performance Mass Gainer - Cookies & Cream

    Informed-Sport Mass Builder

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    Maximum Human Performance Mass Gainer in Cookies & Cream stands out for those aiming to pack on dense, hard muscle quickly, thanks to its 1350 calories and 50 g of protein per serving. You get a powerhouse blend with 11 g of BCAAs, including leucine, supporting fast and sustained muscle building. This gainer targets muscle growth and performance, optimizing insulin response for maximum gains. Expect milkshake-like flavor and a high-calorie profile designed for mass. Follow the directions for best results, and note the product is Informed Choice Trusted by Sport certified for added confidence. Itโ€™s your proven tool for ambitious size goals.

    • Protein per serving:50 g
    • Calories per serving:1350
    • Carbohydrates per serving:Not specified
    • Brand type (mass gainer category):Mass Building Weight Gainer
    • Flavor:Cookies & Cream
    • Marketing claim focus (muscle gain outcome):Mass gain, dense muscle, insulin optimization
    • Additional Feature:Informed Choice Trusted by Sport
    • Additional Feature:1350 calories per serving
    • Additional Feature:Leucine-focused BCAAs
  8. GNC AMP Mass XXX Weight Gainer Protein Powder

    GNC AMP Mass XXX Weight Gainer Protein Powder

    Clinically Supported Gains

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    GNC AMP Mass XXX Weight Gainer Protein Powder stands out if youโ€™re chasing rapid mass gains with solid calories and protein per scoop. This clinically supported weight gainer packs 780 calories per serving and 50g of protein, plus micronized amino acids, creatine, and betaine to support strength and endurance. Available in Cookies & Cream, it delivers 13 servings with performance claims like increasing mass with 40% fewer sets and improving strength in as little as two weeks. Products are tested for 220+ banned substances via 2020 WADA standards. Use aligns with directions and notes for best results.

    • Protein per serving:50 g
    • Calories per serving:780
    • Carbohydrates per serving:Not specified
    • Brand type (mass gainer category):Mass XXX Weight Gainer Protein Powder
    • Flavor:Cookies & Cream
    • Marketing claim focus (muscle gain outcome):Increase mass with fewer sets, strength
    • Additional Feature:Clinically proven ingredients
    • Additional Feature:MyoTOR and BETAPOWER claims
    • Additional Feature:Banned Substance Tested
  9. Genius Muscle Health Supplement with 6 Organic Mushrooms

    Genius Muscle Health Supplement with 6 Organic Mushrooms

    Muscle Health Optimizer

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    The Genius Muscle Health Supplement with 6 Organic Mushrooms stands out for non-hormonal muscle support thatโ€™s designed for both men and women, with a transparent, USA-made formula and a flavorful Strawberry Vanilla Cream profile. You get a non-hormonal muscle aid with 6 organic mushrooms, 30 servings per container, and a 100% transparent formula. It targets muscular health, function, and performance, helping you grow lean mass without hormone changes. Peak O2 boosts duration and strength; Mediator Phosphatidic Acid supports bigger gains and fat loss with exercise. MyoeDge blends HMB with Vitamin D for muscle health and bone quality. Use 1 scoop pre-workout on training days.

    • Protein per serving:Not explicitly listing per-serving protein (information focuses on mushrooms; not applicable)
    • Calories per serving:Not specified per-serving (focus on mushrooms)
    • Carbohydrates per serving:Not applicable
    • Brand type (mass gainer category):Muscle health supplement (focus broader than mass gainer)
    • Flavor:Strawberry Vanilla Cream
    • Marketing claim focus (muscle gain outcome):Muscle health and lean mass support
    • Additional Feature:6 organic mushrooms blend
    • Additional Feature:30 servings per container
    • Additional Feature:Made in the USA
  10. Now Sports Mass Gainer Protein Powder (Creamy Chocolate)

    Now Sports Mass Gainer Protein Powder (Creamy Chocolate)

    Trusted Everyday Gainer

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    If youโ€™re after a mass gainer that blends pea and whey for solid calories and protein, Now Sports Mass Gainer Protein Powder (Creamy Chocolate) is a strong pick for steady gains. This product combines a pea-whey protein blend in a Creamy Chocolate flavor, packaged in a 5.5 lb tub. You get about 560 calories and 41 g of protein per serving, with highly bioavailable proteins and easily absorbable carbohydrates to fuel recovery. Use 3 level scoops in 24 oz of water, milk, or beverage. Itโ€™s GMP Quality Assured, NPA A-rated, packaged in the USA, from NOW Foods.

    • Protein per serving:41 g
    • Calories per serving:560
    • Carbohydrates per serving:Easily absorbable carbohydrates (not a specific gram amount)
    • Brand type (mass gainer category):Mass Gainer Protein Powder
    • Flavor:Creamy Chocolate
    • Marketing claim focus (muscle gain outcome):Weight gain, muscle building with higher calories
    • Additional Feature:Pea and whey protein blend
    • Additional Feature:5.5 lbs package
    • Additional Feature:NPA A-rated GMP certification

Factors to Consider When Choosing Mass Gainer Protein Powders

When you pick a mass gainer, start with calorie density per serving to meet your goals without overshooting. Then check protein and carbohydrate quality, plus digestive support and enzymes, so youโ€™ll actually absorb what you pay for. Finally, skim the label for transparency and clear ingredient sourcing to avoid fluff and unclear additives.

Calorie Density Per Serving

Calorie density per serving is a key factor when choosing a mass gainer, because it directly shapes how quickly youโ€™ll add size. Calorie per serving typically ranges from about 560 to 1,350, with some products delivering around 1,200+ calories. Higher calories per serving support faster mass gain, but you may need to manage appetite and digestion carefully. Packages specify serving sizes (for example 4 scoops or 125 g), which drives the total calories youโ€™ll consume each session. Very high-calorie formulas often pair calories with substantial carbohydrate content (200โ€“250+ g per serving) and 40โ€“50 g of protein to maximize gains. Calorie density also affects daily plans, since multiple servings can quickly exceed energy needs for lean or maintenance goals.

Protein Content Per Serving

Protein content per serving is a key factor in mass gainer selection because it directly impacts muscle-building potential. Most mass gainers deliver about 40 to 50 g of protein per serving, so you can compare products quickly by target protein. Some formulas reach 50 g per serving, typically paired with 250+ g of carbohydrates, supporting sizable caloric intake. Others use multi-source protein blendsโ€”wactors like whey concentrate, casein, or additional proteinsโ€”to reach the total protein per serving. Youโ€™ll see precise amounts in a few formulations (e.g., 50 g), while others vary slightly by flavor or batch. As a benchmark, higher-protein gainers often emphasize 50 g per serving, guiding your choices when prioritizing protein delivery for gains.

Carbohydrate Source Quality

Are you prioritizing sustained energy and digestion when choosing a mass gainer? Carbohydrate sources in mass gainers varyโ€”maltodextrin, oats, potato starch, or gluten-free tapioca maltodextrin each bring different glycemic responses and digestion rates. Complex carbs from rolled oats or gluten-free tapioca maltodextrin provide longer-lasting energy than simple sugars, helping you maintain performance and minimize spikes. Some formulas use multi-source carbohydrates, like maltodextrin plus natural starches, to balance rapid energy with a steadier release. Organic or gluten-free options, such as tapioca maltodextrin, can reduce allergen exposure and support digestive tolerance for sensitive individuals. Remember, the carbohydrate amount per servingโ€”often 200โ€“250+ gramsโ€”significantly influences total calories and energy availability for recovery and growth.

Digestive Support & Enzymes

Digestive support matters more than you might think: many mass gainers include enzyme blends (like DigeZyme) to help break down protein and absorb amino acids more efficiently, which can reduce bloating and discomfort after heavys shakes. When evaluating products, look for explicit enzyme systems and note serving sizes to gauge tolerance, especially if you have known deficiencies. Enzyme blends can improve protein breakdown and amino acid uptake, supporting more efficient use of the 40โ€“50 g protein per serving found in several formulas. Some formulas pair complex carbohydrates with enzyme support to minimize gas or heaviness after high-calorie shakes. Also consider allergen handling and bolded allergen notes, ensuring the ingredient list aligns with your digestive restrictions for smoother results.

Ingredient Transparency / Labels

When evaluating mass gainer labels, you want clear, complete information you can trust. Look for an explicit serving size and a straightforward macronutrient breakdown with exact amounts of protein, carbs, and fats per serving. Check allergen declarations and notice any bolded or emphasized allergens to gauge cross-contamination risk. Seek transparency about added enzymes, vitamins/minerals, and any proprietary blends that obscure quantities. Favor labels that specify protein sources (whey, casein, pea) and note whether non-GMO or organic components matter to you. Verify certifications or third-party testing (ISO, NSF) and ensure manufacturing details are clearly stated. Clear labels save guesswork, helping you compare products and track how each scoop supports your gains.

Frequently Asked Questions

Are Mass Gainers Suitable for Beginners or Only Experienced Lifters?

Yes, mass gainers are suitable for beginners and experienced lifters alike. As a beginner, you can use them to meet higher calorie goals without constantly cooking large meals, helping you start gaining. Start with a lower serving and assess tolerance, then adjust. Be mindful of protein, carbs, and fat ratios, and donโ€™t rely solely on supplements. Pair it with solid training, adequate sleep, and whole foods to support sustainable progress.

How Many Calories Should I Aim for Daily With Mass Gainers?

You should aim for a daily surplus of about 250โ€“750 calories when using mass gainers, depending on your metabolism, goals, and how fast you want gains. Start with roughly +500 calories and adjust based on weekly weight changes and training load. Prioritize protein, healthy carbs, and fats alongside your shakes. Track intake, stay consistent, and avoid excessive fat gain by monitoring body composition alongside scale progress. Hydration and sleep support your results too.

Can Mass Gainers Cause Bloating or Digestive Issues?

Yes, mass gainers can cause bloating or digestive issues. You might notice gas, stomach discomfort, or full feeling after you mix them or exceed your tolerance. Start with a smaller scoop, take it with meals, and choose a product with simple ingredients and slower-digesting carbs. Hydration helps, and you can stagger usage on heavy training days. If symptoms persist, cut back or consult a clinician to adjust your plan.

Do Mass Gainers Contain Prohibited Ingredients or Allergens?

Yes, some mass gainers may contain prohibited ingredients or common allergens, so you should check labels carefully. Look for thirdโ€‘party testing, ingredient clarity, and allergen statements. If you have a sensitivity, avoid products with dairy, soy, gluten, or artificial additives. Compare flavors, macronutrient ratios, and serving sizes. If youโ€™re unsure, consult a healthcare professional before use. Always verify ban status for athletes or testing bodies relevant to your sport. Stay vigilant about product transparency.

When Is the Best Time to Take a Mass Gainer Protein Powder?

The best time to take a mass gainer protein powder is when it fits your schedule and goals. Many people use it post-workout to replenish glycogen and jumpstart protein synthesis, while others split servings between meals to meet daily calories. If you train in the morning, a shake after your session can help recovery; if you train later, have one with a snack. Listen to your body and track progress to adjust timing.


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