Can a 4-year-old child take vitamin A supplements?

It is acceptable for a 4-year-old child to take vitamin A supplements, but the dosage, frequency, and formulation should be determined according to the child's specific condition. Vitamin A is an essential nutrient that plays a crucial role in growth and development, particularly in the development of the eyes and skin. Since 4-year-old children are in a critical stage of growth, appropriate supplementation of vitamin A is necessary.