Dental Single massive dose of vitamin A for preventing the deficiency in preschool children between the age of 1-6 years for every 6 months is: A 2,000 IU B 20,000 IU C 2,00,000 IU D 20,00,000 IU 💡 Explanation Single massive dose of vitamin A for preventing the deficiency in preschool children between the age of 1-6 years for every 6 months is: ✓ Correct Answer: C. 2,00,000 IU