Best Natural Mass Gainer Protein Powders for Clean Calorie Gains
If you’re seeking high-calorie, high-protein options with minimal artificial ingredients, these natural mass gainer powders are strong contenders. This guide targets buyers who want clean labels, GMO-free options, and simple ingredient lists. Each product below is selected for a different user profile, from strict natural and vegan needs to traditional mass gainers with transparent ingredients. The quick comparison table after the intro helps you scan key facts at a glance.
| Product | Protein Per Serving | Calories Per Serving | Key Benefit | Best For |
|---|---|---|---|---|
| Naked Mass (Original) | 50 g | 1,250 | Multi-phase clean protein | Hard gainers seeking simple ingredients |
| Naked Chocolate Mass | 50 g | 1,360 | Five-ingredient formula | Flavor variety with pure ingredients |
| Naked Vanilla Mass | 50 g | 1,260 | Five-ingredient vanilla option | Classic flavor, minimal additives |
| Naked Vegan Mass | 50 g | 1,230 | Vegan, plant-based proteins | Vegetarian/vegan needs |
| Nutricost Mass Gainer | 50 g | ~ | Non-GMO, gluten-free | Budget-friendly natural option |
Naked Mass – Original Natural Weight Gainer

Best for: hard gainers who want a clean two- or three-ingredient profile. This formula combines Naked Whey, Naked Casein, and Organic Maltodextrin from gluten-free tapioca, delivering 1,250 calories and 50 g of protein per serving. The product favors purity—no artificial sweeteners, flavors, or colors, and it is GMO-free and soy- and gluten-free. The multi-phase protein approach supports both quick and sustained amino acid release. Caution: Caloric intake should be paired with a high-calorie diet to support weight gain goals.
Naked Chocolate Mass Gainer

Best for: chocolate flavor enthusiasts who want a natural ingredient list. This variant uses Naked Whey, Naked Casein, Organic Maltodextrin, Organic Coconut Sugar, and Organic Raw Cacao to provide 1,360 calories and 50 g of protein per serving. It maintains the brand’s commitment to no artificial additives and GMO-free status. The multi-phase protein approach supports ongoing protein synthesis. Limitation: calories are high per serving, which might not fit all daily intake plans.
Naked Vanilla Mass

Best for: fans of classic vanilla who want a short ingredient list. This 8 lb option includes Naked Whey, Naked Casein, Organic Maltodextrin, Organic Coconut Sugar, and Vanilla, delivering 1,260 calories and 50 g of protein per serving. It’s NSF Certified for purity, gluten-free, soy-free, and dairy-friendly. Caution: flavor and texture can vary by batch, and some users may prefer fewer carbohydrate sources.
Naked Vegan Mass

Best for: anyone seeking a plant-based mass gainer. Naked Vegan Mass uses Pea Protein and Organic Rice Protein with Organic Maltodextrin to provide 1,230 calories and 50 g of protein per serving. It’s non-GMO, soy- and gluten-free, dairy-free, and NSF certified. Caution: plant-based blends may have different amino acid profiles and digestion rates compared to dairy-based formulas; taste varies for vegan recipes.
Nutricost Mass Gainer Double Chocolate

Best for: value-focused buyers who still want a non-GMO and gluten-free option. Nutricost Mass Gainer offers 7 pounds per container with 50 g of protein per serving, plus additives like creatine monohydrate and L-glutamine. It’s a practical pick for those seeking a straightforward mass gainer without extra artificial ingredients. Limitation: flavor variety may be limited compared to premium brands, and exact calories per serving aren’t listed in the snippet.
Buying Guide
What should I look for in a natural mass gainer?
Ingredients: Prioritize short, recognizable ingredient lists with no artificial sweeteners, flavors, or colors. Look for clean protein sources (whey and casein blends or plant-based proteins) and simple carbohydrate sources.
Protein and calories balance
Check protein per serving (around 40–50 g is typical for mass gainers) and total calories per serving (1,200–1,360 kcal works for most hard gainers). Match to your daily calorie and protein targets.
Dietary needs and restrictions
Consider gluten-free, soy-free, dairy-free, or vegan options. NSF or other purity certifications can add a level of confidence for sensitive buyers.
Ingredient transparency and certifications
Prefer brands that disclose exact ingredient sources and avoid proprietary blends if you want full transparency about what you’re consuming.
Flavor, texture, and mixability
Flavor variety matters for long-term adherence. Powder texture and mixability affect daily use; some products mix best with water, milk, or dairy alternatives.
Usage and goals
Use as part of a balanced plan with resistance training. Pair with a calorie-surplus diet and monitor progress to adjust portions or timing as needed.
FAQ
Q: Are natural mass gainers always dairy-based?
A: Not always. There are vegan and plant-based options that use pea or rice protein blends and gluten-free carbs, like Naked Vegan Mass.
Q: Can I mix these with milk or water?
A: Yes. Milk increases calories and protein, while water lowers calories but improves mixability. Choose based on your daily goals and tolerance.
Q: How long should I take a mass gainer?
A: Many users cycle for 8–12 weeks or fit it into a longer plan. Consult a healthcare or nutrition professional if you have specific health considerations.
Q: Do these products require a specific exercise plan?
A: For best results, pair mass gainers with a structured strength training program and a calorie-rich diet appropriate to your goals.
Q: Are there any safety considerations with high-calorie powders?
A: Start with a smaller portion to assess tolerance, especially for lactose or gluten sensitivities, and stay hydrated to support digestion and performance.
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