---
title: "Does metformin make you tired? Causes and fixes"
description: "Metformin can make some people feel tired, usually from low blood sugar, GI upset, or vitamin B12 deficiency. Here is what to watch for and when to call a."
canonical: "https://www.vitalsvault.com/treatment-learn/does-metformin-make-you-tired"
last-updated: 2026-08-22
---

# Does metformin make you tired? Causes and fixes

> Metformin can make some people feel tired, usually from low blood sugar, GI upset, or vitamin B12 deficiency. Here is what to watch for and when to call a.

---

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