The Best Vegan Mass Gainer Protein Powders of 2026

What Is a Vegan Mass Gainer?

A vegan mass gainer is a high-calorie supplement designed to help people on plant-based diets achieve a caloric surplus for weight gain and muscle growth. Unlike standard protein powders that mainly provide protein, these formulas combine plant-based proteins (commonly pea and rice) with carbohydrate sources such as oats, tapioca maltodextrin, or rice dextrin, and in some cases, small amounts of healthy fats. Because most individual plant proteins are incomplete on their own, vegan mass gainers often use blends to deliver a fuller amino acid profile.

The category exists for a specific reason. Building muscle and gaining weight require a consistent caloric surplus, and for many people on plant-based diets, hitting that surplus through whole foods alone is genuinely difficult. A single shake that delivers several hundred to over a thousand calories solves a real problem for hardgainers and high-output athletes who simply cannot eat enough volume to meet their targets.

Vegan Mass Gainer vs Regular Protein Powder

A mass gainer typically delivers anywhere from 400 to over 1,200 calories per serving and is designed to support a caloric surplus. Carbohydrate content is intentionally high to support glycogen replenishment and overall energy intake, and some formulas include fats or digestive enzymes to aid absorption.

A standard protein powder focuses on protein intake and usually contains 100 to 200 calories per serving. Carbohydrates and fats are kept low, which makes it better suited for general protein supplementation or recovery rather than for driving weight gain.

Vegan vs Traditional Mass Gainers

Vegan mass gainers use pea, rice, or other plant proteins and avoid all dairy ingredients. Because individual plant proteins often lack certain essential amino acids, formulators rely on blends such as pea plus rice or pea plus fava bean to round out the amino acid profile.

Traditional mass gainers are typically whey-based, which delivers higher leucine per gram and a naturally complete amino acid profile. These formulas often contain dairy sugars and are unsuitable for people with lactose intolerance or those following plant-based diets.

Who Should Use a Vegan Mass Gainer?

Vegan mass gainers are well-suited for hardgainers who struggle to gain weight despite eating regular meals, vegan or dairy-intolerant athletes who need a caloric surplus, people with high energy demands, such as endurance athletes or those in physically demanding occupations, and anyone looking for a convenient, portable way to add calories when cooking or eating large meals is not practical.

How We Ranked the Best Vegan Mass Gainers

To identify the best vegan mass gainer protein powders available in 2026, our research team analyzed 30+ products using a weighted scoring model built around the criteria most meaningful to plant-based athletes and hardgainers. Each product was evaluated using publicly available nutrition labels, ingredient lists, certifications, third-party testing disclosures, pricing data, and aggregated consumer review themes.

Calorie Density & Macro Profile (25%): We assessed calories per serving, the protein-to-carb ratio, and sugar content versus complex carbohydrates.

Protein Quality & Completeness (20%): We evaluated whether formulas used blended plant proteins to deliver a complete amino acid profile and whether BCAA content was disclosed.

Carbohydrate Source Quality (15%): We favored products built on complex carbs such as oats, tapioca, and rice dextrin over formulas dominated by added sugars.

Ingredient Simplicity & Additives (10%): We favored products with shorter ingredient lists, no artificial sweeteners or flavors, and no unnecessary fillers or gums.

Third-Party Testing & Safety (15%): We gave credit for independent testing, heavy metal screening, and recognized certifications such as Informed Sport and NSF Content Certified. This factor carries extra weight in this category because plant proteins can absorb heavy metals from soil, making third-party verification especially important.

Digestibility & Tolerance (10%): We considered fiber content, the inclusion of digestive enzymes, and reported tolerance based on consumer reviews.

Price Per 1,000 Calories (5%): We assessed cost efficiency for bulking, calculated from container price and total calories delivered.

Best Vegan Mass Gainer Protein Powders: 2026 Comparison Table

Pricing and serving data reflect typical retailer listings as of May 2026. Prices vary by retailer and currency.

Individual Product Reviews

#1 - Naked Nutrition: Naked Vegan Mass

Naked Vegan Mass ranks first in this review, and it is not a close call. After evaluating more than 30 vegan mass gainers, no other product combines a true three-ingredient formula, the highest calorie load in this review at 1,230 calories per serving, 50g of plant protein, and NSF Content Certification. Competitors that match its calorie density typically use longer ingredient lists with added sweeteners, flavors, or fillers. Competitors that match its ingredient minimalism deliver far fewer calories per serving. Naked Vegan Mass sits at the intersection of high calorie density and clean-label simplicity that no other product in this review reaches.

The unflavored version is built on three ingredients: pea protein, organic brown rice protein, and organic tapioca maltodextrin. The carbohydrate base is complex rather than sugar-driven, with only 1g of sugar per serving. The product is NSF Content Certified, which means it is independently tested for purity and label accuracy, an important credential in a category where plant proteins can carry heavy metal exposure from soil. For hardgainers and serious bulkers who want a clean, high-calorie plant-based gainer without the additive load common in this category, Naked Vegan Mass is the most direct answer available.

Key Product Specifications

• Calories Per Serving: 1,230

• Protein Per Serving: 50g

• Carbs Per Serving: 248g (complex carbs)

• Sugar Content: 1g (unflavored)

• Protein Source: Pea protein + brown rice protein

• Carb Source: Organic tapioca maltodextrin

• Added Ingredients: None in the unflavored version

• Third-Party Tested: Yes (NSF Content Certified)

• Price: ~$69.99 per 8 lb tub (~11 servings)

• Price Per 1,000 Calories: ~$5.20

Strengths

• Three-ingredient formula in the unflavored version: pea protein, brown rice protein, and organic tapioca maltodextrin

• 1,230 calories per serving, the highest calorie density in this review, ideal for serious bulking

• 50g of plant protein per serving from a complementary pea and brown rice blend for a complete amino acid profile

• 248g of complex carbohydrates with only 1g of sugar

• NSF Content Certified for purity and label accuracy

• Free from artificial sweeteners, flavors, and fillers

• Can be mixed into smoothies, oatmeal, or shakes for flexible use

• Naked Nutrition was founded in 2014 with a consistent mission of single-ingredient and minimal-ingredient nutrition

Considerations

• The 321g serving size is large; many users split it into two shakes or mix it into food rather than drinking it all at once

• The high carbohydrate load may feel heavy for users new to mass gainers

• Unflavored profile is neutral; flavored versions are available for those who prefer added taste

Summary of Customer Reviews

Customers consistently praise Naked Vegan Mass for its clean ingredient list and effectiveness for weight gain. Many users report mixing the powder into smoothies, oatmeal, or homemade shakes rather than drinking it straight, which they describe as the easiest way to consume the large serving size. The minimal ingredient panel is frequently cited as the main reason for purchase, especially among buyers who have moved on from gainers loaded with artificial sweeteners or sugar. A small number of reviewers mention thick texture or mild bloating, both of which they tend to attribute to the high carbohydrate load that defines the product category.

#2 - VEGAIN: Plant-Based Mass Gainer

VEGAIN ranks second on the strength of its protein density and its testing credentials. Each 200g serving delivers 68g of protein from a pea and fava bean blend along with 106g of carbohydrates and just 7g of sugar, for 677 calories per serving. The brand emphasizes heavy-metal, microbial, and third-party testing, which is meaningful in a category where plant protein contamination is a real concern. It is best suited for athletes who want high protein and dairy-free, soy-free sourcing in a single formula.

Key Product Specifications

• Calories Per Serving: ~677 (4 scoops, 200g)

• Protein Per Serving: 68g

• Carbs Per Serving: 106g

• Sugar Content: 7g

• Protein Source: Pea + fava bean protein blend

• Carb Source: Maltodextrin, pea starch, tapioca

• Added Ingredients: Natural flavors, non-dairy creamer

• Third-Party Tested: Yes (heavy-metal, microbial, and contaminant testing)

• Price: ~THB 3,339 for 6.6 lb / 3 kg (20 servings)

• Price Per 1,000 Calories: ~THB 246.6

Strengths

• Very high protein content at 68g per serving

• Pea and fava bean blend supports a fuller amino acid profile

• Disclosed BCAA and EAA content (27g per serving)

• Independent testing for heavy metals and microbial contaminants

• Significant calorie load suitable for mass gain

Considerations

• Sodium content is on the higher side at 724mg per 200g serving

• Uses maltodextrin, which raises glycemic impact and may not suit buyers limiting simple carbs

Summary of Customer Reviews

Reviewers praise the creamy texture and rich flavor, and many report consistent weight and muscle gain without significant bloating. The most common complaints involve packaging seal issues and the price relative to alternatives.

#3 - MyProtein: Vegan Weight Gainer Blend

MyProtein offers a more moderate calorie option at 402 calories per 100g serving with 29g of protein and 39g of carbohydrates. The protein base is pea isolate combined with fine-ground oats for a steady carbohydrate release. It is best suited for buyers who want to increase calories gradually rather than chase the highest possible single-shake load, or for those who prefer to pair their gainer with whole-food meals.

Key Product Specifications

• Calories Per Serving: 402 (per 100g)

• Protein Per Serving: 29g

• Carbs Per Serving: 39g

• Sugar Content: 1g

• Protein Source: Pea protein isolate

• Carb Source: Fine-ground oats and brown rice syrup

• Added Ingredients: Coconut oil powder, stevia, natural flavors

• Third-Party Tested: Not specified

• Price: ~£39.99 for 2.5 kg (25 servings)

• Price Per 1,000 Calories: ~£4.70

Strengths

• Balanced macronutrient profile with low sugar

• Oats provide complex carbohydrates rather than relying solely on maltodextrin

• Suitable for athletes who do not need extremely high single-serving calories

Considerations

• No third-party testing is advertised

• Lower calorie load may not suit hardgainers who need 600+ calories per shake

Summary of Customer Reviews

Reviewers like the digestibility and natural flavor profile, and many use the powder for post-workout recovery rather than aggressive bulking. A minority reports a slightly grainy texture if not blended thoroughly.

#4 - Raw Sport: Mass Gainer

Raw Sport's Plant-Based Mass Gainer delivers approximately 406 calories per serving with 32g of bio-fermented pea protein and 56g of complex carbohydrates from gluten-free oats. The formula adds 8g of BCAAs in a 2:1:1 ratio. Raw Sport emphasizes natural ingredients and third-party testing, and the product is Informed Sport approved and screened for heavy metals. It is best suited for buyers who want a fermented protein base alongside digestive enzymes and verified banned-substance testing.

Key Product Specifications

• Calories Per Serving: ~406

• Protein Per Serving: 32g (bio-fermented pea protein)

• Carbs Per Serving: 56g

• Sugar Content: 5g (from coconut sugar)

• Protein Source: Fermented pea protein with added BCAAs

• Carb Source: Gluten-free oats

• Added Ingredients: Coconut sugar, digestive enzymes

• Third-Party Tested: Yes (Informed Sport approved, heavy-metal tested)

• Price: ~£39.99 for 2 kg (20 servings)

• Price Per 1,000 Calories: ~£5.90

Strengths

• Fermented protein and added digestive enzymes support absorption

• Disclosed BCAA content with a 2:1:1 ratio

• Informed Sport approval reduces banned-substance risk

• Minimal artificial additives

Considerations

• Lower calorie density than the top performers in this review

• Coconut sugar contributes 5g of sugar per serving

Summary of Customer Reviews

Reviewers praise the taste and digestibility, and many report improved recovery. Some note that the powder is thick or requires extra water for a smoother shake.

#5 - Iron Vegan: Athlete's Gainer

Iron Vegan's Athlete's Gainer is one of the cleanest high-calorie options in the review. Each serving delivers 720 calories with 42g of protein from a fermented pea and sprouted brown rice blend, approximately 120g of carbohydrates, 12g of fiber, and only 1g of sugar. The product is Informed Sport certified, and the brand highlights heavy-metal and purity testing. It is best suited for hardgainers who want a high-calorie load alongside fermented proteins and minimal sugar.

Key Product Specifications

• Calories Per Serving: 720

• Protein Per Serving: 42g

• Carbs Per Serving: ~120g (about 2.85:1 carb-to-protein ratio)

• Sugar Content: 1g

• Protein Source: Fermented pea + sprouted brown rice protein

• Carb Source: Organic oats, brown rice syrup

• Added Ingredients: MCTs, fiber, natural sweeteners

• Third-Party Tested: Yes (Informed Sport certified)

• Price: ~CA$64.99 for 2.5 kg (13 servings)

• Price Per 1,000 Calories: ~CA$6.30

Strengths

• Fermented proteins and high fiber content support digestion

• Very low sugar relative to the high-calorie load

• Informed Sport certified and heavy-metal screened

• Strong carb-to-protein ratio for clean bulking

Considerations

• The 2.5 kg tub provides only 13 servings, making the per-serving cost relatively high

• Limited flavor options (Chocolate and Vanilla)

Summary of Customer Reviews

Many athletes appreciate the mild flavor and report minimal digestive discomfort. A small number of reviews mention difficulty fully dissolving the powder without a high-powered blender.

#6 - Bulk: Vegan Mass Gainer

Bulk's Vegan Mass Gainer offers a moderate calorie and macro profile at 369 calories per 100g, with 31g of protein and 44g of carbohydrates. The formula uses five plant protein sources (pea, brown rice, pumpkin seed, flaxseed, and quinoa) combined with ultra-fine oats and a digestive enzyme complex. It is best suited for athletes who want a moderate-calorie shake built on a multi-source protein blend with enzyme support.

Key Product Specifications

• Calories Per Serving: 369 (per 100g)

• Protein Per Serving: 31g

• Carbs Per Serving: 44g

• Sugar Content: 2.5g

• Protein Source: V+ blend (pea, brown rice, pumpkin seed, flaxseed, quinoa)

• Carb Source: Ultra-fine oats

• Added Ingredients: DigeZyme enzyme complex (amylase, protease, lipase, lactase, cellulase)

• Third-Party Tested: Not advertised

• Price: £39.99 for 2.5 kg (25 servings)

• Price Per 1,000 Calories: ~£5.00

Strengths

• Multi-source protein blend supports a complete amino acid profile

• Included digestive enzymes aid digestion

• Low sugar content with moderate calorie load

Considerations

• Not Informed Sport certified; heavy-metal testing not specifically advertised

• Lower calorie density than the top mass gainers in this review

Summary of Customer Reviews

Customers like the natural taste and digestibility. Some find the consistency thick when mixed with water alone, and others note that servings are smaller than expected for a mass gainer.

#7 - Huel Black Edition (Chocolate)

Huel Black Edition is positioned as a complete meal replacement rather than a dedicated mass gainer. Each two-scoop (90g) serving delivers 400 calories with 35g of protein, 30g of carbohydrates, and 17g of fat. The formula combines pea and rice protein isolate with flaxseed, sunflower oil, coconut sugar, and a vitamin and mineral blend. Fat makes up a meaningful share of the calorie load. It is best suited for buyers who want a balanced meal replacement with higher fat and lower carbs rather than a pure bulking gainer.

Key Product Specifications

• Calories Per Serving: 400 (per 90g)

• Protein Per Serving: 35g

• Carbs Per Serving: 30g

• Sugar Content: 6g

• Protein Source: Pea + rice protein isolate

• Carb Source: Tapioca starch, oats, coconut sugar

• Added Ingredients: Flaxseed, sunflower oil, MCT powder, vitamin/mineral blend

• Third-Party Tested: Manufacturer states heavy-metal testing is conducted

• Price: ~$48 for 17 servings

• Price Per 1,000 Calories: ~$4.80

Strengths

• Provides a complete meal with fiber, essential fats, and added micronutrients

• Higher fat content supports satiety

• Gluten-free and GMO-free

Considerations

• Calorie load is lower than that of dedicated mass gainers

• Contains added oils and fats, which may not suit users focused strictly on lean mass

Summary of Customer Reviews

Many buyers value the convenience and balanced nutrition, often using it as a meal replacement during busy days. Some note an earthy taste or slight graininess, and the cost per calorie is higher than that of dedicated bulking formulas.

#8 - OxiN Nutrition: Vegan Mass Gainer

OxiN Nutrition offers a more modest formula, with each serving providing approximately 20g of plant protein and around 390 calories. The brand emphasizes a complete amino acid profile, omits artificial sweeteners and flavors, and highlights eco-friendly packaging and third-party quality testing. It is best suited for beginners or buyers who want a moderate calorie boost with a focus on sustainability.

Key Product Specifications

• Calories Per Serving: ~390

• Protein Per Serving: 20g

• Carbs Per Serving: Not specified (described as a balanced carb/fat mix)

• Sugar Content: No artificial sweeteners

• Protein Source: Plant protein blend (pea and others)

• Carb Source: Balanced carb and fat mix

• Added Ingredients: Free from artificial sweeteners and lactose

• Third-Party Tested: Yes (claimed heavy-metal and quality testing)

• Price: ~₹3,999 per 1 kg (10 servings)

• Price Per 1,000 Calories: ~₹490

Strengths

• Suitable for beginners or those seeking a moderate calorie boost

• Eco-friendly packaging and cruelty-free sourcing

• Free from artificial additives

Considerations

• Lower protein and calorie density than leading mass gainers

• Carbohydrate content is not fully specified, which makes precise macro planning more difficult

Summary of Customer Reviews

Reviewers note the clean taste and absence of sweeteners, and some use the product as a breakfast shake. Others mention that the calorie content alone is insufficient for true mass gain and suggest pairing it with additional calorie sources.

#9 - Nutricost: Organic Vegan Meal

Nutricost's Organic Vegan Meal is closer to a high-protein meal replacement than a true mass gainer. Each serving provides only 120 calories but delivers 24g of protein along with 3g of carbohydrates, 2g of fat, and 2g of fiber. It is fully vegan and free from artificial sweeteners, which makes it a useful option for lean bulking or as a base to which additional carbohydrates can be added. It is best suited for buyers who want a low-calorie protein-forward meal replacement rather than a dedicated bulking formula.

Key Product Specifications

• Calories Per Serving: 120

• Protein Per Serving: 24g

• Carbs Per Serving: 3g

• Sugar Content: Low

• Protein Source: Organic pea protein isolate + brown rice protein

• Carb Source: Low-carb formula

• Added Ingredients: Digestive enzymes, natural flavors

• Third-Party Tested: Not specified

• Price: ~$29.95 for 20 servings

• Price Per 1,000 Calories: ~$12

Strengths

• High protein with very low carbohydrate and calorie content

• Free from artificial sweeteners with organic ingredients

• Useful as a lean meal replacement or protein boost

Considerations

• Not a true mass gainer due to the low calorie load

• Higher cost per 1,000 calories

• Buyers will need to add additional carbohydrates to achieve a meaningful caloric surplus

Summary of Customer Reviews

Reviewers enjoy the clean ingredient list and frequently use the product as a protein boost in smoothies. Many note that it is not filling enough on its own and suggest adding oats, banana, or other whole foods to increase calories.

How to Evaluate a Vegan Mass Gainer

Choosing the right vegan mass gainer comes down to matching the formula to your goals, your digestion, and your tolerance for higher carbohydrate intake. The following framework helps separate genuinely useful products from formulas that look high-calorie on paper but fall short in practice.

Start with calorie density relative to your goals. If you are a true hardgainer who struggles to eat enough volume, a 1,000+ calorie formula like Naked Vegan Mass solves your problem in a single shake. If you only need a moderate calorie boost on top of a solid eating routine, a 400-calorie formula may be more appropriate.

Look at the protein blend, not just the protein number. Single-source plant proteins are often incomplete on their own. Blends that combine pea with rice or with other legumes deliver a fuller amino acid profile, which matters more than the headline protein number.

Examine the carbohydrate source. Complex carbs from oats, tapioca, or rice dextrin sustain energy more effectively than added sugars. A formula with 1g of sugar and complex carbs is meaningfully different from one with 15g of added sugar, even when total carb counts look similar.

Prioritize third-party testing. Plant proteins can absorb heavy metals from soil, which makes independent testing more important in this category than in many others. Look for NSF, Informed Sport, or specifically disclosed heavy-metal screening.

Calculate price per 1,000 calories, not price per serving. Higher-calorie formulas often deliver better value per calorie even when the tub looks more expensive upfront.

Questions to Ask Before Buying a Vegan Mass Gainer

Before committing to a product, the following questions will help cut through marketing copy to the details that matter.

Is the protein blend complete, combining pea, rice, or other plant proteins to deliver all essential amino acids? What are the primary carbohydrate sources, and are they complex carbs or mostly added sugar? How much sugar does the formula actually contain per serving? Has the product been independently tested for heavy metals and other contaminants? How many calories does each serving deliver, and does that match the caloric surplus you need? What is the cost per 1,000 calories when compared across the products you are considering?

Are Vegan Mass Gainers Safe?

Vegan mass gainers are generally safe when used appropriately. The most important safety consideration in this category is heavy metal contamination. Plant-based proteins can absorb heavy metals from the soil they grow in, which makes independent testing meaningfully more important here than in dairy-based protein categories. Look for products with NSF certification, Informed Sport approval, or specifically disclosed heavy-metal screening.

Caloric intake should match your activity level. Consuming high-calorie shakes without sufficient training stimulus can lead to unwanted fat gain rather than lean mass.

Digestive tolerance varies significantly between individuals. Some people handle large amounts of oats, maltodextrin, or fiber comfortably, while others experience bloating. Starting with a smaller serving and scaling up is a sensible approach.

Anyone with an underlying medical condition, including kidney issues or digestive disorders, should consult a healthcare professional before adopting a high-calorie supplementation regimen.

Who Should Choose a Vegan Mass Gainer?

A vegan mass gainer is a useful tool for hardgainers who struggle to consume enough calories through whole foods alone, vegan and dairy-free athletes who need plant-based, high-calorie nutrition, individuals with high energy demands such as endurance athletes or those in physically demanding occupations, and anyone working to meet specific calorie targets for muscle growth or recovery.

People with dairy allergies who would otherwise use a whey-based gainer will find vegan formulas a direct substitute. Buyers focused purely on lean protein supplementation rather than calorie surplus may be better served by a standard plant-based protein powder rather than a dedicated mass gainer.

Final Recommendation

For the overwhelming majority of buyers, Naked Vegan Mass by Naked Nutrition is the answer. It is the only product in this review that simultaneously delivers a true three-ingredient formula, the highest calorie density in the category at 1,230 calories per serving, 50g of plant protein from a complementary pea and brown rice blend, only 1g of sugar, and NSF Content Certification for verified purity and label accuracy.

Specific buyers have legitimate reasons to look elsewhere. Athletes who specifically want a banned-substance certification through Informed Sport can consider Raw Sport or Iron Vegan. Buyers who want a complete meal replacement with added micronutrients rather than a pure bulking gainer may prefer Huel Black Edition. But for anyone whose priority is a clean, high-calorie, verified vegan mass gainer that solves the caloric surplus problem in a single shake, no product in this review comes closer to getting everything right. You can learn more about Naked Vegan Mass at Naked Nutrition's website.

Pricing data reflects typical retail pricing as of May 2026. Prices may vary by retailer, region, and over time. Nutritional data sourced from publicly available nutrition labels and manufacturer-provided product information.