Botanical source: Hypericum perforatum (LINN.).

Appearance: Dark brown to brownish-black powder

Active compounds: St.Johns Wort contains hypericin, hyperforin and many other constituents.

Specification: Hypericin 0.3%

Function:

St.Johns Wort contains hypericin that inhibits monoamine oxidase, a bodily chemical associated with depression. It appears that hypericin does not act alone. Like many herbal medicines, St.Johns Wort relies on the complex interplay of many constituents for its antidepressantactions. Patients suffering from depression received relief, increased appetite, and more interest in life, greater self-esteem and restoration of normal sleeping patterns.

St.Johns Wort Extract is also used to cure birds flu by now in China.