Glucagon vs Insulin Glargine

Head-to-head comparison of Glucagon (Glucagon) and Insulin Glargine (Insulin glargine (A21Gly,B31Arg,B32Arg human insulin analog)) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyGlucagonInsulin Glargine
CategoryDiabetes & MetabolicDiabetes & Metabolic
Full NameGlucagonInsulin glargine (A21Gly,B31Arg,B32Arg human insulin analog)
Molecular Weight3482.756063.6 Da
Half-Life5-10 minAbout 12-24 hours
Amino Acids2951
Typical Dose1 mg IM/SC for severe hypoglycemia or 3 mg intranasal0.1-0.2 U/kg once daily
RouteIM|SC|IN|IVSubcutaneous
Purity≥98%≥98%
Studies Count9313000
Research StatusApprovedApproved

Glucagon Benefits

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

Insulin Glargine Benefits

  • Once-daily basal coverage
  • Smooth action profile
  • Lower nocturnal hypoglycemia risk
  • Improves fasting glucose control

Glucagon Dosing

1 mg IM/SC|3 mg intranasal

Insulin Glargine Dosing

Inject SC once daily at the same time each day|Titrate every 3-4 days to fasting glucose targets|Can be combined with prandial insulin

Glucagon Side Effects

  • nausea
  • vomiting

Insulin Glargine Side Effects

  • Hypoglycemia
  • Injection-site reactions
  • Weight gain

Research Overview

Glucagon

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

Insulin Glargine

Clinical and translational studies support its use as a basal comparator because of prolonged absorption and stable glycemic control. It is heavily used in basal-bolus regimen research and insulin-delivery optimization studies.

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Common Stacking Partners

Glucagon stacks with:

glucagonGlucaGenBaqsimiGvoke

Insulin Glargine stacks with:

Insulin LisproInsulin Aspart
diabetesmetabolicrescueglucose-regulationbasal insulinlong-actingfasting glucose