Hi, can anyone help me understand my latest test results taken on the 29th of July 15, Serum free T3 4.6 pmol/L range is 3.50-6.50pmol/L . Serum free T4 level is 13.1pmol/L range is 11.00-23.00pmol/L. Serum TSH level is 0.90mu/L range is 0.35- 5.50mul/L. Also Serum Ferritin is 37ug/L range 20.00-250.00ug/L. D3 is 42.5 range is 50.00, have started prescription supplelments! Serum B12 is 408ng/L range is 190.00-900.00ng/L. Many thanks.