Simvastatin vs Tacrolimus

## Simvastatin vs Tacrolimus: Overview

This comparison examines the pharmacological differences between **Simvastatin** and **Tacrolimus**.

## Mechanism of Action

**Simvastatin**: Prodrug converted to active form that inhibits HMG-CoA reductase.

**Tacrolimus**: Calcineurin inhibitor binding FKBP12; suppresses IL-2 transcription.

## Pharmacokinetics

**Half-life**: Simvastatin — 2 hours; Tacrolimus — 12 hours.

## Chemical Properties

**Molecular Formula**: Simvastatin — C25H38O5; Tacrolimus — C44H69NO12.

**Molecular Weight**: Simvastatin — 418.5700 g/mol; Tacrolimus — 804.0180 g/mol.

**Type**: Simvastatin — Small molecule; Tacrolimus — Small molecule.