Rule One R1 Clean Gainer is a mass gainer built to help you grow lean muscle and bounce back quickly after workouts. Gluten free [as a quick note] friendly for lactose intolerance, and free from artificial flavours, colours and sweeteners, this blend stays clean and simple. Supported by our commitment to quality, every batch strives to maximise anabolic signals with a balanced blend of protein, carbs and healthy fats.

Benefits & Features:

• Helps lean muscle growth as a mass gainer by sending a mix of fast and slow digesting proteins.
• A high carb blend helps refill glycogen so you can power through tougher workouts.
• Includes essential amino acids and BCAAs to help recovery after training.
• Post workout fuel arrives handy, helping you refuel.
• Daily amino acid delivery keeps repair steady, cuts soreness, supports training progression, and helps you stay consistent across tough weeks and multi-day cycles.

Rule One R1 Clean Gainer mixes a 30g protein blend (whey isolate, whey concentrate, micellar casein and milk proteins) with 97-99g of multi source carbohydrates and a lipid mix for energy. The formula delivers about 14g EAAs and over 6g BCAAs with 4g fibre, aimed at supporting lean mass gain and post workout recovery. It's gluten free, suitable for lactose intolerance, and free from artificial flavours, colours and sweeteners, with no amino spiking, a trusted mass gainer pick among protein shakes for muscle gain.