Dietitian Explains Coffee on Empty Stomach: What Science Says

Each morning, millions reach for coffee before anything else, trusting the ritual to carry them into the day. Yet the body, operating on its own quiet logic, responds to caffeine on an empty stomach with acid surges, cortisol spikes, and an energy arc that peaks too soon and falls too hard. A dietitian's counsel here is less a warning than an invitation — to understand the body not as a machine to be jumpstarted, but as a system that rewards small acts of care with steadier, more sustainable vitality.