Blackmores I-Folic contains both iodine and folic acid, which are important preconception nutrients. Iodine is an essential nutrient required for normal thyroid function, and is important for a baby’s brain development, visual skills, motor skills and hearing. Folic acid, if taken daily for 1 month prior to conception and during pregnancy, may reduce the risk of women having a child with birth defects of the brain and/or spinal cord, such as spina bifida. Folic acid is also one of the nutrients necessary for the production of normal red blood cells.Features and benefits. Optimises folic acid and iodine levels. Provides iodine to promote the development of baby's brain, eyesight & hearing. Provides a daily dose of 500 µg of folic acid that may reduce the risk of birth defects of the brain &/or spinal cord such as spina bifida if taken daily for 1 month prior to conception and during pregnancy. 1-a-day-dose. Small, easy to swallow tablet. 5 month's supply in 1 bottle.