Commonly used Chinese herbs that are used to treat fertility issues including herbs such as dongwae, which is commonly known as Raddich´s Angelica. For example, this herb has many different wonderful actions. One, it improves blood flow. Two, it helps to sensitize one´s gonads or ovary or testes to produce better quality eggs or sperm. Especially in women, it´s wonderful in strenthening the lining of the uterus so that it can prepare for implantation. That´s one commonly used. There are other many, many herbs. For example, another one called sodi, which basically it´s called rhizomar romania. That´s an herb that´s also used to replenish and build the foundation of the reproductive system, and that can strengthen the quality of the egg and the sperm. And there are many, many different herbs that are used, especially in Chinese herbs for fertility. And there´s a range of anywhere from 50 to 200 herbs that can be used for fertility conditions. It all depends on a patient and a customized formulas are put together for the particular case for the particular condition.