TF and nutritional disorder: <h4>Objective</h4>To determine correlation of HbA1c with serum iron and transferrin saturation in non-diabetic patients with iron deficiency.<h4>Methods</h4>This cross-sectional comparative study was conducted at Dr Ruth KM Pfau Civil Hospital Karachi from 15<sup>th</sup> September 2021 to 14<sup>th</sup> March 2022, on non-diabetic patients based on fasting blood sugar (FBS) of <100 mg/dl.