Rule 1 R1 Clean Gainer is a high calorie lean mass gainer that contains high quality nutrients. It includes 560 calories per serve which is ideal for guys who are looking to build muscle size and pack on weight. It is primarily made up of whey protein isolate which makes it quite fast digesting and also low in fat. Rule 1 sees the importance of what goes into their products especially when it comes to mass gainers.
- High Nutrient Source
- Clean Formulation 100% Whey Protein Isolate
- Contains Ultra Lean Carb Sources (Glucose Polymers, Organic Rice Bran Low Glycemic)
- BCAAs & Glutamine to Prevent Muscle Breakdown
- Zero Spiking
You already have a decent base, but you want to add mass. Not just any mass, quality mass. Enter R1 Clean Gainer – a lean gainer formula with heavy emphasis on protein.
- Is it lactose free like the regular R1 protein?
Unfortunately, it does contain lactose.