Back Pain (C) - back pain worse when sitting straight... 腰痛(風寒)An empirical herbal blend to relieve back pain caused by cold invasion by warming the meridians, dispelling cold, and promoting circulation. This formula helps alleviate stiffness, tightness, and discomfort in the back and lower body that worsens in cold weather or damp conditions. It nourishes the Kidneys and strengthens Qi (energy), supporting overall back health and flexibility. Ideal for individuals experiencing back pain linked to cold, this