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Types of Insulin

Source: Caring for Your Teenager (© 2003 American Academy of Pediatrics)

Type	Onset of Action	Peak Action	Duration of Action
Short-acting (Regular)	Within 30-60 minutes	2-3 hours	4-6 hours
Rapid-Acting (Humalog, Novolog)	Within 10-15 minutes	1 hour	3-4 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