Lantus Insulin Vs. Novolin N

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Diabetes is a condition in which a person's blood sugar level is higher than normal. Novolin N and Lantus are types of insulin used to keep blood sugar within normal limits.


  • Lantus and Novolin N are classified therapeutically as antidiabetics or hormones. Their pharmacologic classification is pancreatics.


  • Both medications lower blood sugar levels by stimulating absorption of glucose in skeletal muscle and fat. They also inhibit the production of glucose in the liver.


  • Novolin N is an intermediate-acting insulin that starts acting in from one to four hours after being taken. Lantus is a long-acting insulin that starts acting in from one to 10 hours after being injected.


  • The peak time of an insulin is the time during which the blood sugar is most affected. The peak time for Novolin N is four to 12 hours after administration. Lantus does not have a peak time because it is released at a constant rate.


  • Novolin N lasts for from 12 to 18 hours, while Lantus has a duration of up to 24 hours.


  • Photo Credit Creatas/Creatas/Getty Images

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