Most workplaces still treat autoimmune conditions like flip phone texting—they know they exist, but they’re missing 95% of the story. When managers tell autoimmune employees to “just exercise more,” they’re not being supportive—they’re ignoring science. This article breaks down the research behind autoimmune fatigue, inflammation, and exercise tolerance, while offering neurologically grounded scripts for patients and evidence-based allyship strategies for leaders. Because invisible conditions deserve visible, informed support.