Evening Primrose Oil contains a high concentration of a fatty acid called GLA and it is this fatty acid that is largely responsible for the remarkable healing properties of the plant.
Definitions of a Fiduciary: A person who manages property for the benefit of another, exercises discretionary authority or control over assets and/or acts in a professional capacity of trust and renders investment advice. (Center or Fiduciary Studies)
One party, for example a corporate trust company or the trust department of a bank, acts in a fiduciary capacity to the other one, who for example has entrusted funds to the fiduciary for safekeeping or investment. fiduciary (abbreviation fid) is expected to be extremely loyal to the person to whom he owes the duty (the  principal ): such that there must be no conflict of duty between fiduciary and principal, and the fiduciary must not profit from his position as a fiduciary (unless the principal consents).