Ask Dr. Hallberg: Problems with DMAA use
by Dr. Jon Hallberg, Minnesota Public Radio,Tom Crann, Minnesota Public Radio
February 19, 2013
ST. PAUL, Minn. — DMAA is a popular supplement with athletes, or people looking for a edge in their workout. But some side effects have the U.S. Food and Drug Administration looking into it.
Dr. Hallberg is MPR's regular medical analyst for All Things Considered, with host Tom Crann. Hallberg is a physician in family medicine at the University of Minnesota and medical director of the Mill City Clinic.
Broadcast Dates

Dr. Jon Hallberg
• Medical CommentatorAssistant professor in family medicine at the University of Minnesota, and medical director at Mill City Clinic.

Tom Crann
• Host, All Things ConsideredTom Crann is the host of All Things Considered for MPR News.


