This study demonstrated the following key findings: (1) zinc deficiency was observed even in individuals whose zinc intake exceeded the RDA, such as the EAR and RDA outlined in the Dietary Reference Intakes among patients with NI receiving EFs; (2) there was a significant association between serum zinc concentrations and daily zinc intake; and (3) serum albumin was also found to be an independent predictor of serum zinc concentration. This evidence concerns the gene ALB and Zinc deficiency.