In Korean medicine, some patients do lose weight with herbal medicine alone. TKM views obesity as rooted in constitutional imbalances such as Spleen Deficiency, Phlegm-Dampness, and Blood Stasis. When herbal formulas correct these patterns, digestive function improves, edema subsides, and appetite naturally regulates. For instance, Astragalus Root and Atractylodes strengthen the Spleen and boost metabolism in Spleen Deficiency patterns, while Coix Seed and Alisma Rhizome drain damp-phlegm in those with excess Phlegm-Dampness, often producing measurable weight loss. Yet without exercise, maintaining muscle mass becomes difficult. Because muscle is the primary driver of basal metabolic rate, losing it can shift the body into a weight-gain-prone constitution. Early in my practice, I assumed herbs alone would be sufficient, but observing patients over time made me keenly aware that exercise is indispensable. While short-term drops on the scale are possible, they are hard to sustain, and rebound weight gain is frequent. Ultimately, significant herbal-only weight loss is generally limited to individuals with pronounced Spleen Deficiency or Phlegm-Dampness constitutions. For most people, combining herbs with exercise is necessary for durable results and metabolic health. Relying on herbs alone without exercise carries real risks, so discussing your constitution and daily habits with a Korean medicine doctor to design a personalized plan is essential.