Ben Carson on shady supplement company he had a 10-year relationship with: "I didn't have any involvement with them, that is total propaganda"

Watch this video to decide if Ben Carson had any involvement with Mannatech

By Janet Upadhye

Published October 29, 2015 3:30PM (EDT)

(AP/Mark J. Terrill)
(AP/Mark J. Terrill)

By Janet Upadhye

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Ben Carson Gop Debate Mannatech Original Video