The extract of Hypericum perforatum can serve as a safe neurotrophic supplement for preventing and treating depression, regulating emotional disorders and mood dysregulation, alleviating tension and depression, restoring confidence, and improving sleep. The active ingredient hypericin extracted from Hypericum perforatum exhibits significant anti-DNA and anti-RNA viral effects. It directly targets the DNA of viruses such as avian influenza, swine fever, and foot-and-mouth disease, interfering with viral replication and reproduction while exerting strong inhibitory effects on these viruses.