Cardio workouts can sometimes feel repetitive or overwhelming, especially when trying to balance effectiveness with time constraints. The 12-3-30 treadmill workout has gained attention for its simplicity and promise of results. But is it really worth the hype? This post explores what the 12-3-30 workout involves, its benefits, potential drawbacks, and whether it fits into a balanced fitness routine. What Is the 12-3-30 Treadmill Workout? The 12-3-30 workout is straightforward