Anti-infective vitamin is

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Anti-infective vitamin is Answer: Vitamin A

Vitamin A is often termed the anti-infective vitamin because it maintains the integrity of epithelial and mucosal surfaces, forming a critical barrier against invading pathogens and supporting immune function.

Question context

This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.