People of different ages, genders and circumstances need different amounts of iodine. The recommended amounts of iodine are.ii Birth to 6 months – 110 mcg Babies 7-12 months – 130 mcg Children 1-8 years old – 90 mcg Children 9-13 years old – 120 mcg Teens 14-18 years old – 150 mcg Adults – 150 mcg Pregnant teens and women – 220 mcg Breastfeeding teens and women – 290 mcg