1. NPH insulin peaks in 1-5 hours Regular insulin has an onset of 30 to 60 min, peaks in 1 to 5 hr, and lasts up to 10 hr. 2. NPH insulin is peakless Insulin glargine has an onset of 70 min, it is peakless, and it has a duration of 24 hr 3. NPH insulin peaks in 6-14 hours NPH insulin has an onset of 60 to 120 min, peaks in 6 to 14 hr, and has a duration of 16 to 24 hr. 4. Insulin peaks in 12-24 hours Insulin detemir has a slow onset, peaks between 12 and 24 hr, and has a duration that varies with the dosage. |