Blue poo: impact of gut transit time on the gut microbiome using a novel marker

Asnicar F, Leeming ER, Dimidi E, Mazidi M, Franks PW, Al Khatib H, Valdes AM, Davies R, Bakker E, Francis L, Chan A, Gibson R, Hadjigeorgiou G, Wolf J, Spector TD, Segata N, Berry SE.
Gut. 2021 Mar 15:gutjnl-2020-323877. doi: 10.1136/gutjnl-2020-323877. Online ahead of print. PMID: 33722860 Free article.
The blue dye measure of gut transit time had the strongest association with the gut microbiome over typical transit time proxies such as stool consistency and frequency. CONCLUSIONS: Gut transit time, measured via the blue dye meth …