Pregnancy nutrient guide

Iodine During Pregnancy

Learn why Iodine matters during pregnancy, the general pregnancy reference target, food sources, and calm questions to discuss with your clinician.

Pregnancy daily need

220 mcg/day

Why it matters

Supports thyroid hormone production and fetal brain development.

Food sources

Iodized salt, dairy, eggs, seafood, seaweed in modest amounts, some breads.

Gentle note

Ask about iodine if you use non-iodized salt, avoid dairy/seafood, or follow a vegan diet.

Questions to ask your clinician

  • Does my usual diet make this nutrient easy or difficult to meet?
  • Does my prenatal vitamin include an appropriate amount for my situation?
  • Do nausea, allergies, vegetarian eating, diabetes risk, thyroid issues, or anemia change my plan?
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Source review: 2026-05-28. Educational reference only; this page does not prescribe supplements or replace medical advice.