Metformin vs Phentermine

## Metformin vs Phentermine: Overview

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

## Mechanism of Action

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

## Pharmacokinetics

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

## Chemical Properties

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

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

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