Abbott Launches Over-the-Counter Lingo Glucose Monitor

A new wearable biosensor from Abbott is enabling consumers to monitor their glucose levels in real time, offering insights into how daily habits influence energy, hunger and weight management. The device, known as Lingo, is available over the counter at pharmacies such as Boots in the United Kingdom, without requiring a prescription.

The Lingo biosensor consists of a small, discreet patch applied to the upper arm. It uses a thin, flexible filament inserted just under the skin to measure glucose in interstitial fluid, the liquid surrounding cells. This data streams continuously to a companion smartphone app, providing users with minute-by-minute readings of their glucose fluctuations throughout the day. Unlike traditional fitness trackers that focus on steps, heart rate or sleep patterns, Lingo targets metabolic responses to food, exercise and stress, helping individuals identify triggers for energy dips or cravings.

Glucose, or blood sugar, naturally rises after eating and falls as the body uses it for fuel. Spikes and crashes can lead to fatigue, irritability and overeating, but maintaining steady levels supports sustained energy and better appetite control. The app guides...