Metformin vs Ranitidine

## Metformin vs Ranitidine: Overview

This comparison examines the pharmacological differences between **Metformin** and **Ranitidine**.

## Mechanism of Action

**Metformin**: Activates AMP-activated protein kinase, decreasing hepatic glucose production.

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Metformin — 4-9 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Metformin — C4H11N5; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Metformin — 129.1640 g/mol; Ranitidine — 314.4050 g/mol.

**Type**: Metformin — Small molecule; Ranitidine — Small molecule.