Optimum Nutrition Serious Mass, 12lbs High-calorie mass gainer for serious size and strength. 1,250+ Calories Per Serving: Designed to support... En savoir plus
$194.93 CAD $164.99 CAD Excl. T.V.A.
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High-calorie mass gainer for serious size and strength.
Optimum Nutrition Serious Mass is a powerful mass gainer formulated for those who struggle to consume enough calories to support muscle growth. With over 1,250 calories per serving when mixed with water, it provides a convenient and effective way to significantly increase your daily caloric intake.
Each serving delivers 50 grams of high-quality protein alongside a substantial carbohydrate blend to fuel workouts and support recovery. This combination helps replenish glycogen stores while promoting muscle repair and growth, making it ideal for athletes and hard gainers alike.
Serious Mass also includes a comprehensive mix of vitamins and minerals to support overall health and performance. Whether you're bulking, increasing strength, or looking to add size quickly, this formula delivers dependable results—available now at SupplementSource.ca for the best price in Canada.
Q: How many calories are in one serving?
A: Each serving provides approximately 1,250–1,260 calories depending on flavour.
Q: How much protein does it contain?
A: It contains 50 grams of protein per serving to support muscle growth and recovery.
Q: When should I take Serious Mass?
A: It can be taken post-workout, between meals, or anytime you need extra calories.
Q: Can beginners use this product?
A: Yes, but due to its high calorie content, beginners may want to start with half servings.
Q: Can I mix it with milk?
A: Yes, mixing with milk increases calories and enhances taste and texture.
Optimum Nutrition Serious Mass is a high-calorie mass gainer with 50g protein and 1,250+ calories per serving—perfect for building size, strength, and weight at the best price in Canada.
Actual nutrition information may vary between product types and/or flavours.
We ship worldwide. Your order will be packaged really carefully and delivered wherever you want. Delivery takes between 2-4 business days. You will receive an e-mail after ordering with more information about the delivery.
Orders can be returned or exchanged within 30 days of receiving the parcel, providing they are in original resalable condition.
We work hard to deliver your items without damage. Orders can be returned or exchanged within 30 days of receiving the parcel, providing they are in original resalable condition.
