
Zinc Deficiency in Long-Term Parenteral Nutrition Patients
For patients on prolonged parenteral nutrition (TPN) — after pancreatic/gastric surgery, short-bowel syndrome, severe Crohn’s disease, or radiation enteritis —
zinc is one of the most easily overlooked yet critically important trace elements.
Only a few milligrams are needed daily, but zinc is involved in over 300 enzymes, wound healing, taste, immunity, and intestinal mucosal repair.
When it is lacking, the body falls into a vicious cycle: wounds won’t close, taste disappears, infections linger, and recovery stalls.
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