Insulin Degludec vs Insulin Aspart

Head-to-head comparison of Insulin Degludec (Insulin degludec (desB30, acylated ultra-long-acting insulin analog)) and Insulin Aspart (Insulin aspart (B28-Asp human insulin analog)) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyInsulin DegludecInsulin Aspart
CategoryDiabetes & MetabolicDiabetes & Metabolic
Full NameInsulin degludec (desB30, acylated ultra-long-acting insulin analog)Insulin aspart (B28-Asp human insulin analog)
Molecular Weight6103.9 Da5825.8 Da
Half-LifeMore than 25 hoursAbout 1-3 hours
Amino Acids5051
Typical Dose0.1-0.2 U/kg once daily0.05-0.2 U/kg per meal
RouteSubcutaneousSubcutaneous
Purity≥98%≥98%
Studies Count700011000
Research StatusApprovedApproved

Insulin Degludec Benefits

  • Ultra-long basal coverage
  • Lower day-to-day variability
  • Reduced nocturnal hypoglycemia
  • Flexible dosing time

Insulin Aspart Benefits

  • Fast post-meal glucose lowering
  • Predictable onset
  • Flexible mealtime administration
  • Compatible with pump therapy

Insulin Degludec Dosing

Inject SC once daily|Titrate to fasting glucose and HbA1c response|May be administered with flexible timing in adults

Insulin Aspart Dosing

Inject SC immediately before meals|Titrate using glucose monitoring and carbohydrate intake|Can be used in insulin pumps or basal-bolus regimens

Insulin Degludec Side Effects

  • Hypoglycemia
  • Injection-site reactions
  • Weight gain

Insulin Aspart Side Effects

  • Hypoglycemia
  • Injection-site reactions
  • Weight gain

Research Overview

Insulin Degludec

Studies highlight prolonged action and lower glycemic variability compared with many other basal insulins. It is frequently used in research on ultra-long basal coverage and hypoglycemia reduction.

Insulin Aspart

Research consistently shows faster onset and earlier peak action than regular human insulin. It is commonly studied for meal-time glycemic control and pump-based insulin delivery.

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Common Stacking Partners

Insulin Degludec stacks with:

Insulin LisproInsulin Aspart

Insulin Aspart stacks with:

Insulin GlargineInsulin Degludec
ultra-long-acting insulinbasal controllow variabilityrapid-acting insulinmeal coveragepump-compatible