; Main uses: "Selenium" is called "the fire of life" by medical and nutritional circles. It is an essential trace element for human body, an important element combining with various glutathione peroxidase, and participates in the synthesis of coenzyme. Years of research by the World Health Organization (WHO) and the Nutrition Society of China have proved that proper selenium supplementation can prevent many diseases.

Sago is a kind of processed food synthesized by gelatin and starch, such as bubble tea and mango sago. It acts like a pearl in bubble tea.