Insights
Defining the category, in the open.
Opinion and thought leadership from our scientists — on the gut-brain axis, precision modulation of the microbiome, the biology of keystone gut species, and what "evidence" should mean for functional ingredients.
A remote control for memory, hidden in the gut
A new Nature paper shows an aging gut can drive memory loss on its own — and reverse it. The twist is which molecule does the damage.
A GLP-1 drug treated depression without touching its receptor
A GLP-1 drug relieved depression in mice with its receptor deleted. The effect ran through a single gut bacterium, not the brain. What the science says about the gut microbiome and mental health, and where it doesn't.