Promote lumbar healthy, helps maintain lumbar function and a healthy circulatory system. Tonifies kidney yang and qi, nourishes liver blood, strengthens tendon and bone, circulates qi and blood, alleviates pain. Use for lumbago, lower back pain, and sciatica due to weak kidneys or deficient kidney yang. Function: Strengthen kidney; promote blood circulation Application: Use to relievelumbago caused by def. Kidney yang or by chronic over-straining.