Caffeine vs Metformin

## Caffeine vs Metformin: Overview

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

## Mechanism of Action

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

## Pharmacokinetics

**Half-life**: Caffeine — N/A; Metformin — 4-9 hours.

## Chemical Properties

**Molecular Formula**: Caffeine — N/A; Metformin — C4H11N5.

**Molecular Weight**: Caffeine — N/A; Metformin — 129.1640 g/mol.

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