Dr. Mercola and Gerry Koenig on Serum Ferritin and GGT (Full Interview)

In this video interview, Dr. Joseph Mercola, natural health expert, and Gerry Koenig, former chairman of the Iron Disorders Institute and the Hemochromatosis Foundation, explain the value of monitoring your serum ferritin and GGT levels. To learn more, visit Mercola.com.

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