Types of Insulin

Source: Caring for Your Teenager (© 2003 American Academy of Pediatrics)
TypeOnset of ActionPeak ActionDuration of Action
Short-acting (Regular)Within 30-60 minutes2-3 hours4-6 hours
Rapid-Acting (Humalog, Novolog) Within 10-15 minutes1 hour3-4 hours
Intermediate-acting (NPH, Lente) Within 3 hours 4-14 hours (high peak) 14-24 hours
Long-acting (Ultralente) Within 6-14 hours 14-24 hours 20-36 hours
Long-Acting (Lantus) 1/2-1 hour No peak 24 hours