Ma Pak leung Viga-Pro Pill is made from high-grade Chinese herbs and is manufactured with modern methods. Suitable for people of all ages. Product Usage 8 pills each time, 2 times a day, after 10 days, change to once a day. If it is used for body strengthening and health care, it can be taken 2-3 times a week, 8 pills each time. Warnings Adult: 1 pill 2 times a day