Mutant Mass Dual Chamber 2.72kg - Choc & Vanilla Ice CreamMutant Mass Dual Chamber 2. 72kg is a two flavour mass gainer designed to provide a balanced mix of fast and slow digesting proteins, carbohydrates, and fats. This dual chamber formula helps you achieve optimal nutrient absorption, ensuring your muscles receive the nutrients they need for growth and recovery. Perfect for those looking to gain lean muscle mass, Mutant Mass Dual Chamber provides sustained energy and muscle building potential.