- Muscle Asylum’s F9 is a pre-workout designed as a light pre workout. If you are looking for a strong pre workout. Check out F9 Pro and F9 Extreme
- Prepared with the best ingredients, F9 contains Beta-Alanine to give you a monstrous muscle pump.
- F9 Pre-workout is augmented with 180mg Caffeine that provides long-lasting energy and endurance to lift heavy weights during the workout.