St. John's wort is a plant topographically found in various regions of the world including, but not limited to regions of Asia, regions of Europe, regions of Africa, and certain regions in North America. The plant is used broadly in herbal medicine and almost all of the aerial parts are used to prepare medicine for herbal therapeutics.

Flower, bark and leaves of the plant are homogenized usually to prepare the medicines which contain a lot of diet supplements along with pharmacologically active ingredients. Active ingredients of the mixture may vary depending upon the preparation techniques used in various regions of the world, time of harvesting the plant and the type of land so where the plant was grown.

When comes to talk about depression, it is not only an annoying disease, but also it triggers a lot of other general health problems which compromise the life of a person. Depression is a central nervous system disorder with a number of variants in various population groups of the world as well as within the same population groups. It may be accompanied by a lot of other disorders and have been identified to have a number of manifestations.

Depression is a triggering factor for heart, liver and kidney diseases most of the time. Our body has two strikingly different systems known as sympathetic and parasympathetic system, their balance being disturbed in stress and depression affecting all vital systems of the body.

St John's wort can be successfully used to treat depression, anxiety, stress and other related symptoms. This herb has many active ingredients that help human body fight against depression and anxiety. St John's wort can be used in various formats to treat these conditions and other CNS disorders. Mostly it is used in the form of pills which are prepared with a 300 mg dosing in America.

Some of the manufacturers feature it in the form of oil which can be used by patients. Also, it can be found in powdered form. In the regions of Asia it is a common practice to use St John's wort by making tea using its leaves especially if the weather is not very hot.

However, there are certain conditions when you must not choose to use St John's wort including pregnancy, breastfeeding feeding and if you are allergic to any of the contents of St John's wort. Also, you may experience an increased blood pressure, fatigue, stomach upsets, and increased sensitivity to the sun.