"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." For people with prediabetes, type 1 diabetes or type 2 diabetes, monitoring blood glucose levels is a ...

This diabetes technology offers a continuous stream of data to show a more complete picture of your blood sugars over time. This is different from a fingerstick meter that only represents that moment.

Checking your blood sugar levels 2 hours after a meal — the postprandial glucose test — can be a key component of successful diabetes management.