The quality of brand products is very good. Vians, a leading professional nutritional dietary supplement brand in the United States under VILLSURE Biotechnology Co., Ltd. in Colorado, USA, is determined to build a global professional nutritional dietary supplement health care brand serving customers all over the world.

Health products are the popular name for health food. Article 3 of GB 16740-97 General Standard for Health (Functional) Foods defines health food as: Health (Functional) food refers to a kind of food that has the commonness of general food, can regulate human body function and is suitable for specific people to eat, but does not aim at treating diseases.