Nutrition

Your probiotic might be working — or it might be expensive filler. Here’s how to tell the difference.

Two ordinary foods with extraordinary mechanisms for protecting your brain as you age — and why most people overlook them.

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

The gut-immune connection is real, but the popular narrative has oversimplified it. Here’s what the research actually says about barrier function, zonulin, and what genuinely helps.

The gut-immune connection isn’t just about leaky gut anymore — researchers are finding specific mechanisms that change how your body fights inflammation.

Everyone’s injecting GLP-1 drugs. But your gut already makes this hormone on its own — if you give the right bacteria what they need.

Frequent illness, slow wound healing, autoimmune flares — your gut is sending immune distress signals you’re probably missing.

The internet’s hottest gut health trend promises better digestion, more energy, and weight loss through extreme fiber intake. The reality is more complicated.

The bacteria in your gut don’t just digest food — they regulate your sleep, energy levels, and potentially how long you live. Here’s the mechanism.

The probiotic soda aisle is booming — but the science behind the marketing tells a very different story about what’s actually reaching your microbiome.

The sweetener aisle is a minefield. Here’s the evidence-ranked version of what actually helps and what doesn’t.

Muscle cramps, fatigue, brain fog, blood pressure — potassium is behind more symptoms than you think.