The emergence of microbiome testing at home is advancing to a point in which people may be able to test their gut after a meal or when they have digestive issues, according to an expert. In a presentation kicking off the final session of NutraIngredients' Probiota Digital Summit yesterday (11 Feb), Dr Ruiari Robertson, Postdoctoral Research Fellow at Queen Mary University of London, predicted the emergence of home testing made possible by the gains made in analysis methods. “The reason this field has expanded in the last few years is because of the advances in sequencing technology. Traditional sequencers are large, big hardware devices that sit on a desk in a lab.