For adults, I strongly recommend getting a serum ferritin test and GGT on an annual basis. When it comes to iron overload, I believe it can be every bit as dangerous to your health as vitamin D deficiency. In this interview, Gerry Koenig, former chairman of the Iron Disorders Institute a...
Define GGT. GGT synonyms, GGT pronunciation, GGT translation, English dictionary definition of GGT. n. Any of a class of enzymes that catalyze the transfer of a chemical group, such as a phosphate or amine, from one molecule to another. American Heritage