What is the purpose of Kang Tang's giving birth to Debeiyuan?

This product, Kangshengtang Debeiyuan, belongs to a cream for nourishing and tonifying the kidney. It is a century-old classic prescription and has been selected as a national intangible cultural heritage. This product contains Rhizoma Drynariae, Cordyceps militaris and male flower of Eucommia ulmoides Oliv., which is a very prominent medicinal material for tonifying kidney. Therefore, it can effectively regulate our body after taking it, and has a good effect on weak body, renal insufficiency and other problems, and can strengthen the body, nourish yin and replenish blood.