Pharmacology Excessive intake (hypervitaminosis) of which of the following vitamin is associated with increased risk of congenital malformations: A Vitamin-A B Biotin C Folic acid D Vitamin-K 💡 Explanation Excessive intake (hypervitaminosis) of which of the following vitamin is associated with increased risk of congenital malformations: ✓ Correct Answer: A. Vitamin-A