Role of Vitamin A in the Immune System Abstract Background Vitamin A ($\text{VitA}$) is a micronutrient that is crucial for maintaining vision, promoting growt... Immunity Vitamin A Vitamin A in Skin Innate Immunity and Microbiome: A Narrative Review Abstract Background Vitamin A is a fat-soluble vitamin that plays an important role in skin immunity. Deficiencies in vi... Immunity Beauty Vitamin A