Gut-Brain Axis

Your body needs tryptophan to make serotonin. But when your gut is inflamed, that tryptophan gets stolen — and the byproducts are worse than low mood.

New research challenges the chemical imbalance theory of depression. The real culprit might be chronic inflammation originating in your gut.

The specific probiotic strains with real clinical evidence for improving mood — and the ones that don’t cross the gut-brain barrier.

The immune-cytokine model of depression shows how gut inflammation sends chemical signals to your brain — and what you can do to interrupt the cycle.

The gut-brain axis isn’t a wellness trend — it’s a measurable biological pathway. Here’s what the latest studies show.

Your gut bacteria manufacture most of your body’s serotonin. Here’s how that connection works and what you can do about it.

Your microbiome doesn’t just digest food — it manufactures neurotransmitters and sends signals directly to your brain through the vagus nerve.

The gut-brain axis isn’t a theory anymore — it’s a mechanism. Here’s how your microbiome controls your mood and what to do about it.

Your gut and brain talk through the vagus nerve. When that connection weakens, anxiety and inflammation follow.

Your gut bacteria produce neurotransmitters, regulate inflammation, and talk to your brain in real time. After 40, that conversation changes.