Author Category: Nonfiction/Business

Mary Ann Marshall

Editor and magazine journalist Mary Ann Marshall is co-author with Charles Nguyen, M.D., and Tu Song-Anh Nguyen, M.D. of The Thinsulin Program which discusses the breakthrough discovery by Drs Nguyen and Nguyen of the connection between insulin levels and weight loss. For nearly 2 decades this approach has helped thousands of patients lose weight and keep it off. A former staff writer and fiction editor at Sassy Magazine, Mary Ann edited The Cool Vegetarian: The Ultimate Guide for a Veggie, Vegan & Raw Life. As a cover story writer and features reporter for Glamour she covered investigative health and social issues, and interviewed celebrities including Halle Berry, Ashley Judd, Britney Spears and Faith Hill.  She has contributed to numerous magazines including Cosmopolitan, Spin, Seventeen, and Health. She lives in the Greater Los Angeles Area.


  • Thinsulin - cover BS website