Metformin vs Rabeprazole

## Metformin vs Rabeprazole: Overview

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

## Mechanism of Action

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

**Rabeprazole**: Proton pump inhibitor irreversibly inhibiting gastric H+/K+-ATPase with faster onset than omeprazole.

## Pharmacokinetics

**Half-life**: Metformin — 4-9 hours; Rabeprazole — 1-2 hours.

## Chemical Properties

**Molecular Formula**: Metformin — C4H11N5; Rabeprazole — C18H21N3O3S.

**Molecular Weight**: Metformin — 129.1640 g/mol; Rabeprazole — 359.4440 g/mol.

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