Product Name: St. John's Wort P.E. Plant Origin: Hypericum Perforatum Specification: Hypericin 0.3% UV/Hyperforin 3% UV  St. John's wort has been used since ancient times for everything from a 'protector against evil spirits'depression and for wound healing to its most common present-day use as an antidepressant. The active ingredients in St. John's wort extract are unknown, but extracts standardized to contain napthodianthrone compounds...