I did a LFT and found my GGT level is 53 and I m a male at the age of 50. Complete reading is as follows .Total Protein 70,Albumin - 44,A/G Ratio - 1.7,Bilirubin - Total 1.12,ALK - Phosphatase - 188,ALT (G.P.T) 38,AST ( G.O.T) - 30,GGT - 53,Globulin - 26