Good morning! The so-called maca is a plant medicine introduced from Peru, and it is also one of the common foods for local people. It has certain functions of resisting fatigue, restoring physical strength, improving sleep quality and improving sexual life. Whether its efficacy is suitable for China people to tonify kidney and improve the quality of sexual life is still being explored. Judging from the pharmacological analysis and application of this product in recent years, it is not a panacea for all diseases. Good wishes!