{"product_id":"optimum-nutrition-serious-mass-12lbs","title":"Optimum Nutrition SERIOUS MASS, 12lbs","description":"\u003ch2\u003eOptimum Nutrition Serious Mass, 12lbs\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eHigh-calorie mass gainer for serious size and strength.\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e1,250+ Calories Per Serving:\u003c\/strong\u003e Designed to support rapid weight and muscle gain.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e50g Protein Blend:\u003c\/strong\u003e Helps build and repair muscle tissue.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e250g+ Carbohydrates:\u003c\/strong\u003e Fuels intense training and replenishes glycogen.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdded Vitamins \u0026amp; Minerals:\u003c\/strong\u003e Supports overall performance and recovery.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy Calorie Boost:\u003c\/strong\u003e Ideal for hard gainers needing extra daily intake.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eOptimum 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.\u003c\/p\u003e \u003cp\u003eEach 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.\u003c\/p\u003e \u003cp\u003eSerious 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.\u003c\/p\u003e \u003ch3\u003eKey Benefits\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSupports rapid weight and muscle gain\u003c\/li\u003e \u003cli\u003eHigh-calorie formula for hard gainers\u003c\/li\u003e \u003cli\u003ePromotes recovery and muscle repair\u003c\/li\u003e \u003cli\u003eProvides energy for intense workouts\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eIdeal For\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eHard gainers struggling to gain weight\u003c\/li\u003e \u003cli\u003eAthletes in bulking phases\u003c\/li\u003e \u003cli\u003eIndividuals needing high-calorie supplementation\u003c\/li\u003e \u003cli\u003eAnyone looking to increase muscle size and strength\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many calories are in one serving?\u003c\/p\u003e \u003cp\u003eA: Each serving provides approximately 1,250–1,260 calories depending on flavour.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How much protein does it contain?\u003c\/p\u003e \u003cp\u003eA: It contains 50 grams of protein per serving to support muscle growth and recovery.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e When should I take Serious Mass?\u003c\/p\u003e \u003cp\u003eA: It can be taken post-workout, between meals, or anytime you need extra calories.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can beginners use this product?\u003c\/p\u003e \u003cp\u003eA: Yes, but due to its high calorie content, beginners may want to start with half servings.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I mix it with milk?\u003c\/p\u003e \u003cp\u003eA: Yes, mixing with milk increases calories and enhances taste and texture.\u003c\/p\u003e \u003ch3\u003eSummary \/ TL;DR\u003c\/h3\u003e \u003cp\u003eOptimum 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.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eActual nutrition information may vary between product types and\/or flavours.\u003c\/em\u003e\u003c\/p\u003e","brand":"Optimum Nutrition","offers":[{"title":"Chocolate","offer_id":42980722638896,"sku":"optimum-nutrition-serious-mass-ch-12","price":109.99,"currency_code":"CAD","in_stock":false},{"title":"Vanilla","offer_id":42980722671664,"sku":"optimum-nutrition-serious-mass-van-12","price":109.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/7193\/files\/OptimumNutritionSeriousMass_12lbsChocolate.jpg?v=1777539246","url":"https:\/\/supplementsource.ca\/fr\/products\/optimum-nutrition-serious-mass-12lbs","provider":"SupplementSource.ca","version":"1.0","type":"link"}