Because of the epidemic, I also bought a batch of health care products for the elderly at home, especially the recently popular Mkule NMNn9600. According to experts, there is a substance called NAD+ in the human body that will be lost with the increase of age, especially in the elderly, so it is prone to decreased resistance, insomnia, fatigue and other phenomena, and Mkule NMN9600 can supplement this substance for the human body. During the epidemic, health is the most important, so pay attention to protection. You can ask directly if you don't understand.