Let me tell you about the moment everything I thought I knew about my nutrition fell apart. It was a Tuesday morning, and I’d just eaten my “perfect” pre-workout breakfast — Greek yogurt, a banana, and a drizzle of honey. Within forty minutes, the little graph on my phone was showing a spike so steep it looked like a mountain range. My blood glucose had shot past 160 mg/dL and was crashing just as fast. I felt it too — that mid-workout energy crash I’d been blaming on poor sleep for months. The tiny device responsible for this revelation? A…
