Different factors, including genetics and some viruses, may contribute to T1D.

Genetics and environmental factors, such as being overweight and inactive, have been established as contributing factors.

There are manytypes of insulinmedications available.

Nurse and older patient cheering in home.

Ronnie Kaufman / Larry Hirshowitz / Getty Images

Each kind has its own unique action and they are not interchangeable.

Insulin is injected into the fat tissue, which helps it absorb into the bloodstream.

Some insulin medications work faster than others, but don’t last as long.

And some insulins last longer, but work more gradually than others.

Your healthcare provider will review your medical history to determine the insulin medication most appropriate for you.

Types of Insulin

There are six main types of insulin available.

National Institute of Diabetes and Digestive and Kidney Diseases.Insulin, medicines, & other diabetes treatments.

2014;5(1):255-265. doi:10.1007/s13300-014-0070-2

American Diabetes Association.Insulin basics.