A person taking a sample of their blood

Insulin for Type 2 Diabetes

You may need insulin to help control your blood sugar with type 2 diabetes. Learn about the different kinds, how they are used, and potential side effects.

Computer artwork of molecules of insulin circulating in the blood stream

How Insulin Works in the Body

Medically reviewed by Richard N. Fogoros, MD

Girl holding a syringe with insulin

Insulin Injection Sites: All You Need to Know

Medically reviewed by Ana Maria Kausel, MD

How Do Different Types of Insulin Work?

By Debra Manzella, RN

Vials of insulin

Overview of the Different Types of Insulin

Medically reviewed by Lindsey Waldman, MD, RD

Older man giving himself injection

Levemir: Uses, Side Effects, Dosages, Precautions

Medically reviewed by Lindsey Waldman, MD, RD

Vials of insulin

V-Go Insulin Delivery Device: Use, Dosage, Side Effects

Medically reviewed by Lindsey Waldman, MD, RD

Drop of insulin hanging on the needle of pen

Toujeo: Uses, Side Effects, Dosages, Precautions

Medically reviewed by Ana Maria Kausel, MD

Woman giving herself insulin injection

How to Give an Insulin Injection

Medically reviewed by Lindsey Waldman, MD, RD

woman at campsite checking blood sugar

How to Store and Use Insulin Safely

Medically reviewed by Danielle Weiss, MD

Man injecting himself with insulin in belt area

How the Size of Pen Needles May Affect Diabetes Control

Medically reviewed by Lindsey Waldman, MD, RD