THE STRONGSYSTEM

Transform Your Mindset and Build Your Best Body At Any Age

Break Free From Yo-Yo Dieting And Finally Create Lasting Change

Tired of endless diets, workouts, and weight-loss programs that leave you frustrated? The STRONG System is a science-backed, client-proven method to help you finally get unstuck. Created by fitness expert Cori Lefkowith, this book goes beyond quick fixes and one-size-fits-all plans. Instead, it gives you the tools, mindset, and strategies to build a personalized approach that works for your unique body, goals, and lifestyle.

What Will This Book Help You Achieve?

Confidence in Your Body

No more fad diets or constant restarts you’ll learn a system that finally sticks.

Lasting Strength

Build metabolic muscle and energy with science-backed training that works at any age.

Food Freedom

Master macros and sustainable nutrition without restrictive dieting.

Consistency That Lasts

Develop a mindset and habits that keep you moving forward, no matter what life throws at you.

Pre-Order Your Copy Now

Pre-Order Your Copy Now

About The Author

Cori Lefkowith

Cori Lefkowith is the founder of Redefining Strength, an innovative online fitness company dedicated to helping individuals redefine strength on their own terms, empowering them to live their healthiest, happiest lives at every age.

Cori believes that age is just a number, but choosing strength is a mindset. She is passionate about cutting through fad diets and quick fixes to guide people in building personalized, sustainable fitness and nutrition plans that evolve with their changing goals and needs. Her expert training methods have been featured in Women’s Health, Livestrong, SELF, MindBodyGreen, Well+Good, The Guardian and more.