Dr. John Jaquish’s Latest Book:

Weight Lifting Is a Waste of Time

So Is Cardio and There’s a Better Way to Have the Body You Want

About the WSJ Best Selling Book

Many fitness “experts” defend weights and cardio like they are infallible, but where are the results? Why does almost nobody look even marginally athletic?

Fitness may be the most failed human endeavor, and you are about to see how exercise science has missed some obvious principles that when enacted will turn you into the superhuman you always wanted to be.

In Weight Lifting is a Waste of Time, Dr. John Jaquish and Henry Alkire explore the science that supports this argument and lay out a superior strength training approach that has been seen to put 20 pounds of muscle on drug-free, experienced lifters (i.e. not beginners) in six months.

Weight Lifting is a Waste of Time by Dr. John Jaquish cover

About the Author, Dr. John Jaquish

Maxim Magazine article: Dr. John Jaquish, the Tony Stark of the Fitness Industry

X3 Was Featured In:

Wall Street Journal logo Forbes logo Fox news logo Los Angeles Times logo NBC Sports Radio Entrepreneur logo USA Today logo GQ magazine logo Maxim Magazine logo Men's Journal logo

Acclaim From Experts on the Book

  • "The X3 (concept described in this book) is a great addition to our program. It is joint friendly and the variable resistance with diminishing range of motion is a game changer. We have not been able to duplicate it with any other equipment. With the crazy NBA travel, it makes for great workouts on the road as well."

    — Bill Foran

    Strength and Conditioning Coach for the Miami HEAT. USA Strength and Conditioning Hall of Fame

  • "I admit I was skeptical of the system in this book. I'm a convert now. I use it like 2x or 3x a week, and only for like 10 minutes in the morning. I've put on at least 4 pounds of muscle, and I was already in great shape. I even quit my gym. I save a few hours a day and a few thousands dollars a year, and get better results."

    — Tucker Max

    4x New York Times bestselling author

  • "Musculoskeletal heath is vital to disease prevention, function and longevity. Resistance training with heavy loads is one of most effective ways to build and preserve our vital lean muscle mass. The X3 bar (discussed in this book) is a highly effective, time and equipment efficient way to safely produce the necessary loads with the added benefit of variable resistance to further stimulate aggressive muscle growth!"

    — Shawn Baker, MD

    Orthopedic Surgeon, CEO MeatRx.com, Author of “The Carnivore Diet,” Multi-Sport World Champion, & X3 Bar user

  • "Dr. Jaquish's new book lays out the most interesting research and discoveries he uncovered during his process of creating what I consider to be some very smart and innovative fitness tools. He highlights key takeaways about optimizing human physiology through physical interventions, and I would consider it to be a fascinating and illuminating read with good, actionable insights for anyone interested in improving their health and fitness."

    — Ben Greenfield

    New York Times bestselling author. Host of one of the worlds top fitness podcasts

  • "In a systematic, evidenced based way Dr. Jaquish has completely changed my understanding of the physiologic effects of exercise, the benefits of variable resistance, and the profound impact of intermittent fasting. Through his guidance, I have created a personal framework for sustainable health, wellness, and longevity that I’ve passed on to many of my colleagues and patients."

    — Raghav Tadepalli, MD

    Board Certified Anesthesiologist. Assistant Chief of Service, Anesthesiology. Kaiser Permanente Riverside Medical Center


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