Oral Contraceptives and Tirzepatide

Supplement–drug interaction evidence from the TruthStack database.

SeverityHIGH
Evidence TierModerate
Interaction TypeABSORPTION INTERFERENCE
MechanismABSORPTION
Last Reviewed2026-02-16

Summary

GLP-1 agonists delay gastric emptying, potentially reducing oral contraceptive absorption. Literature flags possible reduced efficacy. Discuss backup contraception with your prescriber or pharmacist.

API Reference

GET https://api.truthstack.co/v1/check?c1=Oral%20Contraceptives&c2=Tirzepatide

Open, unauthenticated. Returns JSON. Developer documentation

Related Interactions

Oral Contraceptives + St Johns Wort Levothyroxine + Tirzepatide Calcium + Tirzepatide Fish Oil + Tirzepatide Folate + Tirzepatide Iron + Tirzepatide Magnesium + Tirzepatide Melatonin + Tirzepatide
What this page is and is not. TruthStack is an informational reference database that describes published pharmacological findings. It does not provide medical advice, diagnosis, or treatment recommendations. The information on this page reflects flags in our database and should not replace consultation with a qualified healthcare provider. Always discuss supplement-drug combinations with your prescriber or pharmacist.