Most pediatricians agree it is safe to introduce solid foods anytime between 4–6 months of age, once a baby shows signs of readiness, including:
While this range is considered safe, FLOW generally encourages families to wait as close to 6 months as possible, particularly when breastfeeding is going well and protecting milk supply is a priority.
In the early months, solid foods are not meant to replace milk.
At this stage:
Breast milk (or formula) remains the primary source of nutrition
“Eating” is largely about developing oral, sensory, and fine motor skills
Babies are learning how to move food in their mouth, swallow safely, and explore textures
Milk continues to do the heavy lifting nutritionally.
Around this age, a baby’s iron stores from pregnancy begin to decrease. Iron is essential for healthy brain development and must be replaced through diet.
Good early sources of iron include:
Because iron-fortified cereal is easy to prepare and well tolerated, it can be a great first food for many babies.
In the past, families were often advised to delay introducing allergenic foods. We now know that delaying allergenic foods does not prevent food allergies.
Current guidance from the American Academy of Pediatrics and the American Academy of Allergy, Asthma & Immunology supports early introduction of allergenic foods once babies are developmentally ready for solids.
Common allergenic foods include:
Introducing these foods early and in age-appropriate forms supports immune tolerance.
For families with a strong history of food allergy, eczema, or prior allergic reactions, allergenic foods should be introduced under the guidance of a physician.
When starting solids, it is helpful to wait about 3 days between introducing new foods.
This allows time to:
Observe how a baby tolerates each food
Identify signs of allergy or sensitivity
Avoid confusion if symptoms such as rash, vomiting, or stool changes occur
This spacing does not need to be rigid, but it can be especially helpful early on.
