Your organs keep time and your gut microbes may be the metronome. Short-chain fatty acids from microbial fermentation act like tiny time signals, nudging peripheral clocks to sync with what and when you eat. If you’ve ever felt “off” after a late meal or a time-zone hop, your gut’s timing might be the reason. Table of Contents: SCFAs as time signals: what the evidence says Gut clock sets the beat Microbes set the liver’s fuel clock Stress, tryptophan and timing Timed SCFAs re

The intricate relationship between the gut and brain is mediated by neurotransmitters, which act as chemical messengers linking these two...