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Insulin Chart

List of insulin types available in the U.S. and how they work.


By the dLife Editors

Each type of insulin has its own unique behavior. One difference among types of insulin is how long they take to start working at lowering blood-glucose levels. The “insulin peak” is the point at which the dose is working at its maximum, and the “duration” is how long the blood-glucose-lowering effect of the injection will last. The following is a list of insulin types available in the United States, along with how soon they start working, their peak, and how long they last. Talk to your healthcare provider about your insulin regimen.

Edit
Insulin typeStarts Working in:PeakEffects last:
Lispro U-100 (Humalog)
Lispro U-200 (Humalog 200)
Approximately 15 minutes1-2 hours3-6 hours
Aspart (Novolog)Approximately 15 minutes1-2 hours3-6 hours
Glulisine (Apidra)Approximately 20 minutes1-2 hours3-6 hours
Regular U-100 (Novolin R, Humulin R)30-60 minutes2-4 hours6-10 hours
Humulin R Regular U-50030-60 minutes2-4 hoursUp to 24 hours
NPH (Novolin N, Humulin N, ReliOn)2-4 hours4-8 hours10-18 hours
Glargine U-100 (Lantus)
Glargine U-100 (Basaglar)
Glargine U-300 (Toujeo)
1-2 hours
1-2 hours
6 hours
Minimal
Minimal
No significant peak
Up to 24 hours
Up to 24 hours
24-36 hours
Detemir (Levemir)

Degludec U-100 & U-200 (Tresiba)
1-2 hours

1-4 hours
Minimal **

No significant peak
Up to 24 hours**

About 42 hours
Afrezza<15 minutesApprox. 50 minutes2-3 hours

*Information derived from a combination of manufacturer’s prescribing information, online professional literature sources and clinical studies. Individual response to insulin preparations may vary.

**Peak and length of action may depend on size of dose and length of time since initiation of therapy

***Premixed insulins are more variable in peak and duration of action. For instance, even though the literature states that the effects may last for up to 24 hours many people find that they will need to take a dose every 10-12 hours.

Insulin Chart
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