Can I use Lingo if I'm on Insulin? No, Lingo is intended for users 18 years and older not on insulin. It is not intended for diagnosis of diseases, including diabetes. Consult with your healthcare provider to discuss which Abbott product is right for you. Related articles Does Lingo measure Ketones? Is Lingo the same as Freestyle Libre? What is the glucose range that Lingo shows? Why does my new biosensor give higher or lower glucose readings than my previous biosensor? How can I contact customer support?