Pacific Herbs Corydalis (Yan Hu Suo) concentrated granules are the highest quality available and tested for potency and purity. 5:1 ratio, this means 5 grams of raw product are used for every 1 gram of finished concentrated herbal extract.*
Their blend of Chinese herbs in Corydalis Pain Relief Herb Pack is based on a Traditional Chinese herbal formulation. These herbs, working together have been used for centuries and have a synergistic effect. Its regarded as one of the best pain relieving combinations in the Chinese materica medica. This safe, time tested herbal blend works quickly and without causing addiction.*