Many people are taking diet probiotics these days. To be honest, I have also gone through a period of trial and error, trying various supplements and wondering if they were actually effective. Based on that experience, here is my professional perspective. First, the benefits of probiotics are clear. They increase beneficial gut bacteria, aid in bowel movements, and help lower overall inflammation levels. For those who typically suffer from poor digestion, probiotics can be an excellent starting point. However, there are clear limitations because probiotics are merely 'supplements.' If your metabolic efficiency is too low or if you have a significant accumulation of 'Dameum' (痰飮)—a TKM concept referring to the stagnation of metabolic waste and fluids—probiotics alone will not yield fast results. Furthermore, if you suffer from 'Bi-heo' (脾虛), or a deficiency in the Spleen's digestive function, certain probiotics may actually cause bloating and discomfort. Ultimately, the most important factor is your own body's current state. Rather than blindly following a trending product, it is crucial to first determine if you have 'Eohyeol' (瘀血, blood stasis/poor circulation) or if your digestive functions have fundamentally collapsed. If you first correct these internal imbalances according to your specific constitution and then incorporate supplements like probiotics, you will achieve your goals much more easily. Let's examine the signals your body is sending together.