What is a characteristic feature of Glargine insulin?

Glargine insulin is characterized by its long duration of action, typically providing effective glycemic control for about 24 hours after administration. This prolonged action allows for a steady and consistent level of insulin in the bloodstream, which is particularly beneficial for maintaining baseline insulin levels in individuals with diabetes. Unlike other insulins that may have shorter durations and may require multiple daily dosing, glargine is often administered once daily, simplifying the management of blood sugar levels.

The mechanism of glargine’s action is due to its unique formulation, which is designed to release insulin slowly and steadily over time. This characteristic aids in mimicking the natural basal insulin secretion of the pancreas, addressing the background insulin needs of patients.

The other options do not accurately describe the features of glargine insulin. It does not begin acting immediately, nor does it have a peak effect within 1-2 hours; rather, its action is gradual and does not produce a peak like rapid-acting or short-acting insulins. Additionally, the dosing regimen for glargine typically involves single daily administration rather than multiple times a day, differentiating it from more traditional insulin therapies.