Glucagon vs Insulin Lispro

Head-to-head comparison of Glucagon (Glucagon) and Insulin Lispro (Insulin lispro (B28-Lys, B29-Pro human insulin analog)) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyGlucagonInsulin Lispro
CategoryDiabetes & MetabolicDiabetes & Metabolic
Full NameGlucagonInsulin lispro (B28-Lys, B29-Pro human insulin analog)
Molecular Weight3482.755808.0 Da
Half-Life5-10 minAbout 1 hour
Amino Acids2951
Typical Dose1 mg IM/SC for severe hypoglycemia or 3 mg intranasal0.05-0.2 U/kg per meal
RouteIM|SC|IN|IVSubcutaneous
Purity≥98%≥98%
Studies Count9312000
Research StatusApprovedApproved

Glucagon Benefits

  • rapid hypoglycemia reversal
  • raises plasma glucose
  • useful in emergency rescue

Insulin Lispro Benefits

  • Rapid postprandial glucose control
  • Flexible premeal timing
  • Predictable onset of action
  • Useful in basal-bolus regimens

Glucagon Dosing

1 mg IM/SC|3 mg intranasal

Insulin Lispro Dosing

Inject SC 0-15 minutes before meals|Adjust dose to carbohydrate intake and premeal glucose|Often paired with a basal insulin

Glucagon Side Effects

  • nausea
  • vomiting

Insulin Lispro Side Effects

  • Hypoglycemia
  • Weight gain
  • Injection-site reactions

Research Overview

Glucagon

Clinical and emergency medicine use is well established for severe hypoglycemia, with newer stable formulations improving ease of administration.

Insulin Lispro

Clinical studies show faster onset and shorter duration than regular insulin, improving post-meal glucose control. It is a standard comparator in diabetes pharmacology and closed-loop insulin-delivery research.

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Common Stacking Partners

Glucagon stacks with:

glucagonGlucaGenBaqsimiGvoke

Insulin Lispro stacks with:

Insulin GlargineInsulin Degludec
diabetesmetabolicrescueglucose-regulationrapid-acting insulinprandial controlglucose regulation