B12 231 ng/L (180-900) doc says is ok. Serum folate 3.6 ug/l (>4.5) low. Ferritin 18 ug /l (15-300). Ok tsh 1.98 mu/l (0.27-4.20) ok free t4 14.0 pmol/l (11.0-25.0). Ok previous tsh in october and december where 1.16 and 8.65 no ranges given on them . And free t4 13.8 and 11.1 . Vitd not back yet what do you think about these results .