Why Do Athletes Use Mass Gainers?
Gaining weight and muscle mass requires a calorie surplus — consuming more than the body burns. For some people this is straightforward; for true hardgainers (ectomorphs with fast metabolisms), eating enough food to create a meaningful surplus becomes genuinely difficult. Mass gainers solve this problem practically, delivering large amounts of calories and macronutrients in a single convenient serving.
The critical point: not all mass gainers are the same. Understanding the differences between products determines whether you build lean muscle or accumulate unwanted body fat.
What to Look for in a Mass Gainer
Calorie Content
Mass gainers broadly fall into three tiers:
- Lean gainers (300–600 kcal/serving): for those who eat adequately but need additional calories and protein. Lower risk of excess fat gain.
- Standard gainers (600–900 kcal/serving): suitable for most bulking scenarios
- Ultra-calorie (1000–1500+ kcal/serving): for genuine hardgainers who struggle to gain weight despite significant food intake
ICONFIT MASS Gainer 1.5kg Banana delivers 600–700 kcal per serving with a quality protein profile — a balanced formula well suited to most users.
MST Mass Gainer Chocolate 3kg is a standard-calorie formula from a reliable brand.
Protein Quantity and Quality
Protein should represent 20–35% of total calories in a mass gainer. Look for whey as the primary protein source, or a whey/casein blend. Budget gainers often use lower-quality protein sources with inferior amino acid profiles.
Optimum Nutrition Serious Mass 2.73kg Strawberry is one of the world's most recognisable mass gainers, delivering 50 g of protein per serving from a quality whey-based blend.
DY Mass Gainer Game Changer Mass 3kg Strawberry provides a high-quality protein profile with strong macros.
Dymatize Super Mass Gainer 2.943kg Strawberry packs 52 g of protein per serving, making it one of the strongest options by protein density.
MyProtein Impact Whey Gainer 2.5 kg Strawberry is a leaner option — more of a high-calorie whey shake that bridges the gap between protein powder and traditional gainer.
Carbohydrate Type
Carbohydrates account for the majority of calories in most mass gainers. Higher-quality products use maltodextrin (high GI but gut-friendly) or whole oat flour. Cheaper formulas may rely on added sugars.
Warning signs:
- High fructose or table sugar content
- Vague carbohydrate source labelling
Fat Content
Healthy fats (from nuts, coconut derivatives) are a plus. Avoid trans fats or hydrogenated oils, which have no place in a quality sports nutrition product.
Mass Gainer vs Whey Protein
| Criterion | Mass Gainer | Whey Protein |
|---|---|---|
| Calories per serving | 500–1500 kcal | 100–150 kcal |
| Carbohydrates | High (50–250 g) | Low (2–5 g) |
| Use case | Bulking, hardgainers | Daily protein top-up |
| Risk of fat gain | Higher | Lower |
| Price per kg | Lower | Higher |
Is a mass gainer right for you? Calculate your daily calorie needs and see how much of your surplus you can realistically get from whole foods. A 200–300 kcal daily deficit from food = light gainer. Genuine hardgainer = full-calorie mass gainer.
Browse the full mass gainer range at MaxFit.ee: /en/category/massilisajad.
FAQ
Will a mass gainer make me fat?
Any calorie surplus has the potential to add some body fat. Mass gainers are neutral in this respect — what matters is your total daily calorie balance. Keeping your surplus moderate (250–500 kcal/day) while training consistently minimises fat accumulation.
Can you use mass gainers without training?
Mass gainers are designed for training athletes. Without the stimulus of resistance training, excess calories from any source will be stored as fat — muscles do not grow without exercise.
When is the best time to take a mass gainer?
Post-workout is ideal — muscles are primed for glycogen and amino acid uptake after training. If you train twice daily, a morning serving can be useful as a calorie-dense meal. Pre-sleep is less optimal as metabolic rate slows, potentially favouring fat storage.
References
- Morton, R. W., Murphy, K. T., McKellar, S. R., Schoenfeld, B. J., Henselmans, M., Helms, E., Aragon, A. A., Devries, M. C., Banfield, L., Krieger, J. W., & Phillips, S. M. (2018). A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength. British Journal of Sports Medicine, 52(6), 376–384.
- Schoenfeld, B. J., Aragon, A. A., & Krieger, J. W. (2013). The effect of protein timing on muscle strength and hypertrophy. Journal of the International Society of Sports Nutrition, 10(1), 53.
- Thomas, D. T., Erdman, K. A., & Burke, L. M. (2016). Position of the Academy of Nutrition and Dietetics, Dietitians of Canada, and the American College of Sports Medicine: nutrition and athletic performance. Journal of the Academy of Nutrition and Dietetics, 116(3), 501–528.
- Tipton, K. D., & Wolfe, R. R. (2004). Protein and amino acids for athletes. Journal of Sports Sciences, 22(1), 65–79.
