"Little Blue Hat" is a health product officially approved by the Ministry of Health or the State Food and Drug Administration of the United States, and it is a unified symbol of health food. Everything without a little blue hat is just ordinary nutritious food, and its health care effect is uncertain. Health products of Little Blue Hat, clinical verification.

After 2004, drugs and health care products were managed by the US Food and Drug Administration, especially some pharmaceutical enterprises, which not only produced drugs, but also produced health care products, and passed the national GMP certification for drugs and health care products respectively. The national drug GMP certification standard is obviously higher than the health care product GMP certification standard. In order to ensure product quality and health care efficacy, individual pharmaceutical companies use drug standards to produce health care products, and the quality and effect are more reliable.