How does the gut flora affect my baby’s immune system?

Around 70–80% of the immune system is located within the gut. While it’s not yet fully understood why or how, it is recognised that a diverse gut flora – by this we mean having lots of different microorganisms – may play an essential role in how your baby’s immune system develops and responds to challenges like bacteria, viruses and allergens.

In addition to immune system support, it is also believed that a healthy gut microbiota plays an important role in:

  • Producing beneficial vitamins, such as B12 and folate
  • Helping your baby’s body to digest certain foods, such as dietary fibre
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