- Extreme mass is a dangerously anabolic weight gainer protein powder.
- Formulated as a powerful mass gainer supplement to help you increase your muscle size
- Tastes incredible and is perfect in a pre-workout shake or as an on-the-go calorie boost.
- Nutrient-rich formulation features five types of protein, including whey peptides, WPI, WPC, micellar casein, and egg albumen.