Food and Focus: Supporting Mental Clarity Through Gut Health
If you’ve ever noticed brain fog after a heavy meal, a calmer mood after a week of healthier eating, or a dip in focus when your digestion is off, you’re not imagining it. The gut and brain are in constant conversation via nerves (including the vagus nerve), immune signals, hormones, and chemical messengers made by gut microbes. Research into the gut-brain axis is moving quickly, and while it’s not a simple “eat X and your anxiety disappears” story, it does suggest that everyday food patterns can support steadier energy, mood, and clarity. The gut-brain axis: a two-way street Your gut is lined with immune tissue and nerves, and it houses trillions of microbes. These microbes help break down fibre, produce compounds like short-chain fatty acids, and influence inflammation and gut barrier function. The brain, in turn, affects the gut through stress hormones and nervous system signalling - which is why stress can change digestion, appetite, and bowel habits. What “better gut...