Maiai Xinyi is a nutritional supplement whose main ingredients include substances with rich nutritional value such as deer penis, maca, and oysters. These ingredients can effectively nourish the kidneys, strengthen the kidneys, regulate male sexual function, and improve kidney deficiency. Among them, deer penis and oyster ingredients are also rich in trace elements, which also have a good effect on improving sperm quality and increasing the pregnancy rate. Therefore, Maiai Xinyi can be used to improve problems such as poor sperm quality, kidney deficiency, low sexual function, impotence and premature ejaculation. Male friends who usually have these problems can improve them by using Maiai Xinyi. However, please use it under the guidance of a doctor and ensure the quality and safety of the product.