What points can I corroborate and refute in The Vitamin Myth article in Reader's Digest?

[Ziad Al mutawa]

For my english class assignment, I must find 2 points; one that corroborates and one that refutes 2 different points from the source article. The source article is "The Vitamin Myth" found in Reader's Digest:
http://www.rd.com/living-healthy/are-vitamins-really-that-good-for-you-/article46647.html