Winter has a way of exposing the parts of our health that are already running close to the edge. The colder months bring shorter days, heavier schedules, and a nervous system that is often more strained than supported. For years, I approached this season by simply adding more supplements — and while they helped, they were never the full answer. What finally changed my winter resilience was understanding the role of the vagus nerve, and how strengthening this one pathway can transform the way the immune system behaves. In this article, I share why vagal tone is one of the most overlooked tools for winter wellbeing, how I support mine alongside my usual supplements and throat sprays, and the research behind non-invasive vagus nerve stimulation for immune regulation.
