Health LibraryMedicationsMetformin: Educational Overview
Medications

Metformin: Educational Overview

A first-line medication for type 2 diabetes — understand its role in care.

Medically reviewed
Updated 2026
Do not self-medicate

Milli provides educational information only about medications. We do not prescribe, recommend or endorse any drug. Never start, stop or change a medicine without a licensed doctor's guidance.

How it works

Metformin lowers glucose production in the liver and improves insulin sensitivity.

Common effects

Gastrointestinal side effects are common when starting — usually improve over weeks. Long-term users may need periodic B12 monitoring.

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Educational content only

Milli's Health Library provides general educational information reviewed against peer-reviewed medical sources. It is not a diagnosis, prescription, or medical advice. Milli does not recommend medications. Always consult a licensed doctor before starting, stopping or changing any treatment.

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