The ferulic acid is extracted from the rice bran, the products of rice. It is purely natural,rather than synthesis. It has no harmful influence on human body.It's form is white powder. It can increase the avtivity of  the prostate, ease the pain and relieve the vasospasm. It is the basic ingredients of the medicines that can deal with cardiovascular and cerebrovascular diseases.It is also helpful for dealing with  thrombocytopenia. what's more, it is also used for bodybuilding ang skin-protecting. In a word, the ferulic acid plays an important role in human health care and it is nearly essential for human body.