---
title: "How long does metformin stay in your system?"
description: "Metformin is cleared mainly by your kidneys and can take about 1 to 2 days to mostly leave your body, depending on kidney function, after clinician review."
canonical: "https://www.vitalsvault.com/treatment-learn/how-long-does-metformin-stay-in-your-system"
last-updated: 2026-08-22
---

# How long does metformin stay in your system?

> Metformin is cleared mainly by your kidneys and can take about 1 to 2 days to mostly leave your body, depending on kidney function, after clinician review.

---

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