Levodopa vs Sitagliptin

## Levodopa vs Sitagliptin: Overview

This comparison examines the pharmacological differences between **Levodopa** and **Sitagliptin**.

## Mechanism of Action

**Levodopa**: Metabolic precursor of dopamine that crosses the BBB.

**Sitagliptin**: DPP-4 inhibitor increasing incretin levels.

## Pharmacokinetics

**Half-life**: Levodopa — 1.5 hours; Sitagliptin — 12.4 hours.

## Chemical Properties

**Molecular Formula**: Levodopa — C9H11NO4; Sitagliptin — C16H15F6N5O.

**Molecular Weight**: Levodopa — 197.1880 g/mol; Sitagliptin — 407.3140 g/mol.

**Type**: Levodopa — Small molecule; Sitagliptin — Small molecule.