Thyroid, Diebities, Vit D & B12 levels.

Hi Team, I recently got my full body checkup done. The below results were not normal and now I am in doubt that how should I proceed further with respect to diet n treatment. Please advice: Serum VITAMIN B-12 (ECLIA) 119.3 pg/mL Serum VITAMIN D-(25-Hydroxy)*(MCIA) 12.80 ng/ml TOTAL CHOLESTEROL (CHOD/POD) 187 mg/dl TRIGLYCERIDES (GPO/POD) 234 mg/dl HDL - CHOLESTEROL (Direct) 27 mg/dl VLDL - Cholesterol (Calculated) 47 mg/dl LDL- CHOLESTEROL 113 mg/dl T.Chol/HDL.Chol ratio 6.9 LDL.CHOL/HDL.CHOL Ratio 4.2 SERUM URIC ACID (mod.Uricase) 8.0 mg/dl T3 - Triiodothyronine (ECLIA) 0.90 ng/ml T4 - Thyroxine (ECLIA) 8.24 micg/dl Thyroid Stimulating Hormone (ECLIA) 6.290 micIU/mL HbA1c (Glycosylated Hemoglobin) 5.8 % Estimated Average Glucose (eAG) 120 mgs/dl Plasma GLUCOSE - PP (Hexokinase) 103 mg/dl Plasma GLUCOSE-Fasting (Hexokinase) 104 mg/dl Platelet Count 439000 /cu.mm [150xxxxxxxx00] IMMPRESSION for ultrasonography : Grade I fatty liver & Small gall bladder polyp