Metformin vs Polymyxin B Sulfate
## Metformin vs Polymyxin B Sulfate: Overview
This comparison examines the pharmacological differences between **Metformin** and **Polymyxin B Sulfate**.
## Mechanism of Action
**Metformin**: Activates AMP-activated protein kinase, decreasing hepatic glucose production.
## Pharmacokinetics
**Half-life**: Metformin — 4-9 hours; Polymyxin B Sulfate — N/A.
## Chemical Properties
**Molecular Formula**: Metformin — C4H11N5; Polymyxin B Sulfate — N/A.
**Molecular Weight**: Metformin — 129.1640 g/mol; Polymyxin B Sulfate — N/A.
**Type**: Metformin — Small molecule; Polymyxin B Sulfate — Protein.