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The Strong System

Paperback Book  |  Fitness, Diet & Weightloss  |  06 May 2026
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$71.99  was $89.99

Not yet released - Shipping date approx. 06 May 2026

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Break free from yo-yo dieting, endless restarts, and cookie-cutter fitness plans. The STRONG System, created by fitness expert Cori Lefkowith, founder of Redefining Strength, is a proven, science-backed blueprint for lasting results.

Forget fad diets and extreme workouts. The STRONG System combines mindset training, sustainable habits, and adaptable fitness and nutrition strategies so you can make progress that sticks. STRONG stands for Significant, Targeted, Repeatable, Optimized, Nonnegotiable, GO! -a powerful framework that has transformed thousands of lives.

Inside you will discover:

  • Mindset mastery to stay motivated and consistent
  • Personalized planning that adapts as you do
  • Sustainable routines for long-term results
  • Metabolic muscle-building protocols and macro-cycling tips
  • Workout plans, progress trackers, and recovery strategies


Features & Benefits:

  • Proven Expertise Created by Cori Lefkowith, founder of Redefining Strength, with over a decade of client-tested success.
  • Customizable Approach Build fitness and nutrition plans designed for your unique needs, not a one-size-fits-all template.
  • Mindset-First Method Learn to stay consistent and break free from the cycle of starting over.
  • STRONG Framework Six pillars that deliver results you can sustain for life.
  • Science-Backed Strategies Includes muscle-building protocols, macro-cycling, and recovery tips.
  • Adaptable for Any Age or Stage Smart, sustainable methods that evolve with you.
  • Complete Toolkit Plans, progress trackers, and habit systems to keep you on track.
  • Total Transformation Build strength, confidence, and habits you can maintain for years.


Whether you are starting from scratch or breaking through a plateau, The STRONG System helps you cut through the noise, train smarter, and create a lifestyle you can sustain for life.

Title: The Strong System

Format: Paperback Book

Release Date: 06 May 2026

Type: Cori Lefkowith

Sku: 3585236

Catalogue No: 9781628606607

Category: Fitness, Diet & Weightloss


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