Codonopsis is sometimes referred to as the poor man's ginseng. It is rich in saponins and has a capacity to penetrate and cleanse tissues. It is considered particularly beneficial to the lungs, spleen, and stomach. Research shows that it reduces blood pressure and increases immunity and hemoglobin. It is an adaptogen and supports the adrenals. There is significant research suggesting that use of codonopsis during and after radiation treatment can be very helpful.