There is also a significant "gray market" where people buy and sell unused, unexpired test strips for other reasons: The Strange Marketplace for Diabetes Test Strips

People primarily buy test strips to monitor their blood glucose levels, which is a critical part of managing conditions like and Type 2 diabetes . These strips provide real-time information that helps individuals make informed decisions about their food intake, medications, and physical activities to avoid serious health complications. Why People Use Test Strips

: Regular monitoring can help prevent long-term issues such as diabetic kidney disease , blindness, or nerve damage. The Resale Market (Gray Market)