Gut Microbiota

The microbiome (including microbiota) refers to the good and bad bacteria in your gut. Every human being carries about 1-2 kg of gut microbiota, representing a number of cells that, together, are far bigger than all our other body cells together.

Here we provide the current research in nutrition and food science, exploring the relation between nutrition, the gut microbiome, immune system and human health. Learn more about healthy eating to support a healthy microbiome.

Browse the resources supplied by the Nestle Nutrition Institute, including the findings from gut health studies and gut microbiome research.


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Probiotics in Allergic Disease: Are We There Yet?

Atopic dermatitis is a chronic, relapsing, inflammatory skin condition which greatly affects infants and children. Inceptive research has suggested that gut dysbiosis may be a contributing factor with probiotics being recognised as an additional form

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Children are what they eat: Shaping their growth & immunity

Different nutrition components, such as breastmilk and introduction of complementary feeding, are important to drive an age appropriate microbiome maturation in the first year of life. Today, an age appropriate gut microbiome maturation is generally

Everything about HMOs

Everything about HMO's

Around the 1930’s, scientists discovered that the type of lactose found in human breastmilk contains a carbohydrate fraction, which they were able to characterise as the bifidogenic factor consisting of oligosaccharides.


HMO biology – recent developments

HMO biology – recent developments

The early-life gut microbiome establishes and matures sequentially during infancy and early childhood. Clinical observational studies with breastfed infants suggest that specific human milk oligosaccharides may help to prevent allergy onset through

What do I talk about when I talk about probiotics - Hania Szajewska

What do I talk about when I talk about probiotics?

Probiotics have the potential to improve human health and reduce the risk of diseases mediated by imbalances in the composition and function of microbiota. The probiotic field would benefit from research focused on the mechanism of action and


Gut Microbiota

Gut Microbiota: No longer the forgotten organ

Gut microbiome development in early life is linked to long-term health. Bifidobacteria make up to 90% of the microbiota of healthy breastfed infants born by vaginal delivery, but factors such as C-section birth, formula feeding, antibiotic use

Feeding the fetus

Feeding the fetus

In the womb, babies get all they need from their mother’s body. What happens when there’s a problem with the mother’s diet?

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Building baby’s microbiome

There is a growing body of evidence which indicates that maternal-foetal transmission of microbiota begins during pregnancy and is influenced by many factors, such as mother’s health and diet, genetics, obesity and smoking status, as well as the use