Silhouette of a muscular man lifting dumbbells in a dark background with warm lighting.

The Busy Body

Build Muscle, Burn Fat, and Transform Your Body — In Just 45 Minutes a Day.

By Jeff Eveillard
Director of Sports Performance, St. John’s Men’s Basketball


Book cover titled "The Busy Body" with a silhouette of a muscular woman holding dumbbells, yellow and white text, by Jeffrey Eveillard.
A muscular man lifting dumbbells in a dimly lit environment with a backlight highlighting his physique.
Book cover with black background and yellow and white text promoting a fitness system called 'The Busy Body.'

Why This Book Works When Everything Else Fails

Results Don’t Come From More Time–They Come From Better Inputs

Built on Proven Exercise Science Principles–Not Fitness Trends

This books strips exercise science to what actually drives results–and shows you how to apply it in real life.

  • Uses proven training principles that drive muscle growth, fat loss and long term progress

  • Focuses on the training variables that actually drive results

    This gives you confidence that every workout has purpose

20-45 Minute Training Programs

You show up, follow the plan, and make progress– without over thinking or wasting time.

  • Includes complete 20-45 minute workout programs you can follow immediately

  • Clear exercises, sets, reps, rest periods and built-in progressions

  • Designed to build muscle and burn fat–without spending hours in the gym

  • Removes decision fatigue so consistency becomes automatic

    The program does the thinking . You do the work

Scales With You (Beginner-Advance)

  • Programs for beginners, intermediates, and advance lifters

  • Clear progressions as strength and capacity improve

  • Adjust to busy weeks without losing momentum

  • Built for long-term consistency, not burnout

    You don’t outgrow the system–the system grows with you

Why This System is Different

Most Books Fail Because They’re Not Designed for Real Life

This book is different because it:

  • Respects limited time and busy schedules

  • Prioritizes consistency over perfection

  • Teaches you why things work– not just what to do

  • Removes decision-making so execution becomes automatic

Built From Real Coaching, Not Guesswork

This system wan’t created in a vacuum or pulled from fitness trends. It’s built from:

  • Nearly two decades of training & coaching experience

  • Working with professional athletes and busy professionals

  • Exercise science principles that have been tested, refined, and simplified for real life application

    No gimmicks. No hacks. Just what actually works

Built on Proven Systems. Executed by real people with real schedules

Proof it Works in The Real World

Side-by-side photos showing a woman before and after weight loss, front and back views. In the 'before' images, she has more body fat, and in the 'after' images, she has a slimmer figure.
Side-by-side selfies of a man flexing his biceps, showing weight loss progress; on the left he appears less fit with more body fat, on the right he looks leaner and more muscular with a smile.
Side-by-side mirror selfies of a woman in black underwear, showing physical transformation with weight loss; left image appears more recent with a more toned and slimmer physique, right image shows the earlier, slightly fuller body.
Side-by-side photos of a middle-aged man, before and after a workout. In the first photo, he is at the gym, flexing his biceps, wearing gray shorts, and has a serious expression. In the second photo, he is in a gym setting, smiling, shirtless, wearing gray shorts, and standing on artificial green turf with an exit sign and clock in the background.

Built By Experience Backed By Results

Jeff Eveillard is not a social media trainer or arm-chair coach. He is has nearly two decades of real training, coaching, real athletes and real people with real lives. More importantly his system and training philosophy has produced results. 

  • Director of Sports Performance at St. John’s University Men’s Basketball (Top 25 College Basketball Program)

  • Coached professional athletes who have gone on to play professionally, including the NBA, NFL and MLB.

  • Helped thousands of people– both online and in person– build muscle, lose fat; and transform their bodies.

  • Featured in The Philadelphia Inquirer, Westchester Magazine, and The Journal News