Best Plant Based Protein for Weight Gain: Buyer’s Guide and Top Picks
Discover the best plant based protein options for weight gain, tailored for different needs like high calories, clean ingredients, and dairy-free formulas. This guide highlights five top vegan protein powders and shakes that are suitable for building mass and fueling workouts. Each pick is described with who it’s best for, why it stands out, and a practical caveat. Ideal for athletes, busy professionals, and anyone seeking calorie-dense, plant-based options without lactose.
| Product | Brand | Why It’s Good For Weight Gain |
|---|---|---|
| NAKED Vegan Mass | NAKED | Very high calories per serving with a simple ingredient list |
| Orgain Organic Vegan Protein Powder – Vanilla Bean | Orgain | Good protein per serving with prebiotic fiber for gut support |
| Orgain Organic Vegan Protein Powder – Creamy Chocolate Fudge | Orgain | Rich flavor profile plus prebiotic fiber |
| OWYN Only What You Need Pro Elite | OWYN | High protein, zero sugar, and dairy-free |
| Orgain Organic Vegan Protein + 50 Superfoods Powder | Orgain | Adds 50 superfoods and prebiotic fiber for nutrient-dense gains |
NAKED Vegan Mass – Natural Vegan Weight Gainer Protein Powder

Best for: budget-conscious weight gain with a simple, clean ingredient profile. This product lists only three ingredients: pea protein, organic rice protein, and organic maltodextrin made from gluten-free tapioca. It provides significant calories per serving due to the carbohydrate content, making it a strong option for those needing energy alongside protein.
Why chosen: It uses a straightforward 2:1 ratio of pea to rice protein, verified as NSF Certified for purity and safety. The absence of artificial colors, flavors, or sweeteners adds to its appeal for label-readers seeking a minimal ingredient list.
Caution: Some users may prefer added flavor or dairy-based calories; the unmixed taste may necessitate blending with flavors or other ingredients for palatability.
Orgain Organic Vegan Protein Powder, Vanilla Bean

Best for: fans of vanilla flavor who want a moderate calorie and protein boost with gut-friendly fiber. This version delivers 21g of plant protein per serving and 6g of prebiotic fiber, supporting digestion during higher calorie intake.
Why chosen: It uses organic peas, brown rice, and chia seeds to provide all nine essential amino acids. It’s USDA Organic and certified plant-based, with no lactose, added sugar, or dairy ingredients, aligning with dairy-free weight gain goals.
Caution: Some batches may vary in sweetness; adjust with mixers or add-ins if flavor balance is important for you.
Orgain Organic Vegan Protein Powder, Natural Unsweetened

Best for: purists who want a flavor-free base to build calories with add-ins. This product provides 21g protein per serving with 4g prebiotic fiber and very low net carbs, helping users tailor their calorie intake precisely.
Why chosen: It features a similar organic protein blend (peas, brown rice, chia) and is certified plant-based and organic. The unsweetened variant supports flavor customization in shakes and recipes.
Caution: The lack of sweetness means you may need to diversify your recipe choices to avoid monotony.
Orgain Organic Vegan Protein Powder, Creamy Chocolate Fudge

Best for: chocolate lovers seeking higher calorie intake with fiber. This variant provides 21g of plant protein and 6g prebiotic fiber per serving, with a richer flavor profile that can improve adherence during weight gain programs.
Why chosen: It maintains the vegan, gluten-free, and non-GMO standards while avoiding lactose and dairy ingredients. It offers a reliable energy and protein combination for meals or post-workout shakes.
Caution: Some users may detect a chocolate flavor overshadowing subtle protein notes; blending with other ingredients can adjust sweetness if needed.
OWYN Only What You Need Pro Elite

Best for: athletes who want a high-protein, zero-sugar option with clean dairy-free ingredients. This powder provides 30g of vegan protein per serving and includes vitamins, minerals, and a greens blend plus probiotics in one serving.
Why chosen: It is gluten-free, dairy-free, soy-free, and non-GMO, with no artificial colors or preservatives. The formula emphasizes recovery and daily health with a focus on complete amino acids and omega-3s.
Caution: It is sugar-free; some users may find palatability varies and may need flavor enhancers or mixing with added calories to meet weight gain goals.
Buying Guide: Plant Based Weight-Gain Essentials
What to look for in a weight-gain protein powder
Calorie density matters when gaining weight. Look for powders with higher carbohydrate content and a balanced protein source to support muscle growth without excessive fat gain.
Protein source and completeness
Choose blends that include multiple plant proteins (peas, rice, chia, etc.) to ensure all essential amino acids are present. This supports muscle repair after workouts and steady protein synthesis.
Fiber and digestion support
Prebiotic fiber or added probiotics can aid gut health during increased intake. This helps with nutrient absorption and reduces potential GI discomfort.
Allergen considerations
If dairy-free or soy-free is essential, verify the label for lactose, dairy ingredients, and soy. ASTM organic certifications can also indicate stricter ingredient standards.
Flavor, palatability, and mixability
Flavor-free or strongly flavored options suit different preferences. Consider how easy the powder blends into smoothies, oats, or recipes to maintain consistency in daily calories.
Certifications and quality assurances
Look for USDA Organic, Non-GMO Project Verified, and third-party certifications when possible. These signals reduce concerns about additives and contaminants.
Practical pairing ideas
- Blend high-calorie plant-based protein with oats, nut butter, and fruit for mass gain shakes.
- Stir protein powder into dairy-free milk or yogurt for a fortified breakfast or snack.
- Mix with smoothie bowls or pancake batters to increase daily caloric intake.
Frequently asked questions
- What is the best plant-based protein for weight gain?
- How many calories should a weight-gain shake contain?
- Are vegan proteins complete proteins?
- Can I gain weight on a dairy-free diet?
- Should I choose a powder with fiber or add fiber separately?
- Is NSF certification important for vegan powders?
Answers
- The best options combine high calories with complete amino acids, often from pea and rice blends with added carbohydrates.
- A typical weight-gain shake targets 300–600 calories depending on total daily intake and training load.
- Yes, many vegan blends provide all nine essential amino acids when they mix multiple plant proteins.
- Yes, dairy-free diets can support weight gain with appropriately calorie-dense, protein-rich options.
- Fiber helps digestion; pair protein with foods rich in calories to reach goals without GI distress.
- Certification can indicate higher quality control and ingredient standards, but always read the label for specifics.
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