In the Exemplar E-B Guideline About Vitamin Supplements for Prevention

In the exemplar e-b guideline about vitamin supplements for prevention of cardiovascular disease and cancer (Moyer, 2014) , what can be said about the methods used to produce the review?

A) Scant information about methodology is provided.
B) Information about methodology is available via a link cited in the article.
C) This is a leading national organization and we should trust their methodology.
D) Information in the report is adequate to learn about the methodology.