#Lactobacillus

The Gut-Brain Axis: How Your Microbiome Is Running Your Mental Health in 2026

90% of serotonin is made in the gut. The gut-brain axis—via the vagus nerve, immune signaling, and short-chain fatty acids—directly shapes mood, anxiety, and cognition. Psychobiotics are transitioning from fringe wellness to clinical medicine. Here's what the research says.