Mammoth Mass — High-Calorie Mass Gainer for Serious Size Mammoth Mass is a premium mass gainer delivering 1,250 calories and 60 g of protein per serving from a multi-source protein blend. Built with complex carbohydrates, BCAAs, and healthy fats, it provides the caloric surplus hard-gainers need to pack on size. Buy Mammoth Mass in Canada at Anthem Supplements. Key Benefits 1,250 Calories Per Serving: A massive caloric load from clean protein, complex carbs, and healthy fats to fuel muscle growth and recovery. 60 g Multi-Source Protein: Whey protein concentrate, whey isolate, micellar casein, and calcium caseinate provide fast, medium, and slow-digesting protein for sustained amino acid delivery. 39 g BCAAs and Amino Acids: Added L-Leucine, L-Isoleucine, L-Valine, and L-Glutamine support muscle protein synthesis and recovery. Complex Carb Matrix: Maltodextrin, oat fibre, sweet potato powder, and quinoa powder provide sustained energy without a sugar crash. What Makes Mammoth Mass Different Unlike cheap mass gainers loaded with sugar, Mammoth Mass uses a complex carbohydrate blend including real food sources like sweet potato and quinoa. The four-protein blend ensures you get a steady stream of amino acids for hours — not just a quick spike. MCTs from coconut add quality calories and support energy. How to Use Mix 4 scoops (320 g) with 20 oz of water or milk. Use between meals or post-workout. Adjust serving size based on your caloric needs. Available in 5 lb and 15 lb sizes.