BIOX Nitro Juice Mass Gainer is a high-calorie weight gain formula built on BIOX's EnerJuice™ carbohydrate blend and NitroPro™ protein blend, delivering 1000 calories, 53g of protein, and 163g of carbohydrates per 250g serving. This 5.45kg (12lb) bag is for lifters and hard-training athletes looking to add size and fuel high-volume training, available at fuelsupplements.com with fast Canada-wide shipping.Key Benefits 1000 calories and 53g protein per 250g serving to support weight and muscle gain goals EnerJuice™ complex carbohydrate blend (maltodextrin, crystalline fructose, sweet potato powder, rolled oat powder) for sustained energy NitroPro™ protein blend combining whey concentrate, whey isolate, calcium caseinate, and total milk protein Includes creatine monohydrate and micronized L-glutamine to round out the formula 163g carbohydrates and 8g fibre per serving to help hit high daily calorie targets Large 5.45kg (12lb) bag format for lifters who need calories in bulk How to UseMix as directed on the label with water or milk, adjusting liquid volume to reach your desired consistency and calorie intake. Always follow label directions.FAQHow many calories are in BIOX Nitro Juice Mass Gainer?Each 250g serving provides 1000 calories, 53g of protein, and 163g of carbohydrates.What protein sources are in Nitro Juice?The NitroPro™ blend includes whey protein concentrate, whey protein isolate, instantized calcium caseinate, and total milk protein.Does this mass gainer contain creatine?Yes, creatine monohydrate and micronized L-glutamine are included in the formula alongside the carbohydrate and protein blends.Worth a read: Best Mass Gainer Canada 2026: Complete Buying Guide