Type of Insulin Generic (Trade Names) Onset (hr) Maximum (hr) Duration (hr) Very rapid Aspart (NovoLog) 0.2-0.5 1-3 3-5 Very rapid Lispro (Humalog) 0.2-0.5 0.5-2.5 3-5 Very rapid Glulisine (Apidra) 0.2-0.5 1.6-2.8 3-4 Rapid Regular 0.5-1.0 2.5-5 4-6 Intermediate-acting NPH...