The 18-Minute Workout, developed by Shane Ellison of PEOPLES CHEMIST LLC, is a free fitness program available for iPhone users. This lifestyle app falls under the Health & Fitness category and offers a unique approach to optimizing hormone balance, output, and sensitivity for fat burning and muscle building.

The program is based on the concept of hormesis, which involves stimulating the body's adaptive response through challenges. By triggering this biological phenomenon, The 18-Minute Workout aims to produce positive adaptive changes in a matter of weeks. Whether you're a beginner or an advanced fitness enthusiast, this app provides a perfect combination of aerobic and anaerobic stressors targeted at key muscle groups.