Latin name:Hypericum perforatum L. Appearance:Dark brown fine powder Specification:0.3% Part used:Whole herb Partical size:80 mesh MOQ:1kg Shelf life:2 years Function 1, St John's wort Extract Anti-depressive and sedative properties 2, St John's wort Extract Effective remedy for the nervous system, relaxing tension, and anxiety and lifting the spirits 3, St John's wort Extract Enhancing the effect of neurotransmitters in the brain 4, St John's wort Extract As a tissue restorative for nerves, St. John's Wort is indicated for stroke patients,for mild neuroses, sleepwalkers, and accident victims.