The Web Site Nutrition_doctor

The web site nutrition_doctor.org describes the benefits of the natural phytochemical supplements they sell for the prevention of cancer. Which statement best appraises this source of information?

A) The information is likely trustworthy because promotion of phytochemical-rich vegetables and fruit is well known advice for cancer prevention.
B) The information is likely not trustworthy because the organization is selling the supplements.
C) The information is likely trustworthy because it is endorsed by a doctor and promotes a natural product.
D) The information is likely not trustworthy because only registered dietitians are reliable sources of nutrition information.