Is the Organic Baby Oatmeal - 3 Allergens a good source of iron? Yes! The Organic Baby Oatmeal is an excellent source of iron as it includes 5mg of iron per serving. Related articles How will I know which allergen caused an allergic reaction with Organic Baby Oatmeal? My baby is eating solids. Should I give my baby Stage 3 Mix-Ins or Organic Baby Oatmeal? Was this article helpful? Yes No