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For hard gainers who struggle to eat enough. Every major mass gainer on Amazon.ca, compared by calories, protein, and price-per-serving. Starts from $36.31.
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Sorted by price · Calories and protein data per serving · Prices from Amazon.ca
Should I take a mass gainer or whey protein?
If you struggle to eat enough calories, a mass gainer (600–1,250 kcal per serving) helps hit your surplus. If you're eating enough but need more protein, whey protein alone is better and cheaper. Mass gainers are for true hard gainers or skinny individuals.
How much mass gainer should I take?
Start with half a serving and build up. Most mass gainers are designed for 1 serving per day. Don't exceed 1 serving unless your daily calorie target is very high (3,500+ kcal). Always track your total daily intake.
When is the best time to take mass gainer?
Post-workout is ideal — muscles are primed to absorb nutrients. You can also take it as a meal replacement if you're missing meals due to a busy schedule. Avoid it right before bed as excess calories while sleeping are more likely to be stored as fat.
Are mass gainers safe?
Yes, when used correctly. The main risk is overeating — mass gainers can push you well above your calorie target. Track your food intake and ensure the protein-to-calorie ratio works for your goals. Lab-tested brands reduce adulteration risk.
What is a good carb-to-protein ratio in a mass gainer?
3:1 to 5:1 (carbs:protein) is standard. A 3kg mass gainer with 30g protein and 90g carbs per serving is typical. Avoid products with very high sugar content — complex carbs (maltodextrin, oats) are better than refined sugar.
