Jaquish Biomedical X3® Elite

The X3 is a complete home gym system that provides faster, better exercise benefits than conventional weight machines, squat racks, home gyms, etc. through variable resistance training.

  • Complete home gym system
  • Easy to follow X3 12 Week Program
  • Four X3 resistance bands (Up to 30% more resistance than other layered latex bands)
  • Heavy-duty alloy steel X3 ground plate protects ankles from high workout forces. Forces which have the potential to exceed 600 pounds

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$ 549
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Dr. John Jaquish doing X3 bicep curl

With X3, you train with greater
force
to trigger Greater Gains

Build more muscle with less risk of injury and burn more fat in far less time. With X3, all you need is 10 minutes, the X3 Bar system, and a 3x4 foot workout space.

Join over 300,000 people who have switched from weights to X3.

Dr. Jaquish’s X3 Bar 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

Dr. John Jaquish’s 365-Day Transformation

Like many others, Dr. Jaquish spent hours in the gym every week to look moderately fit.

Eventually, after years of injuries and frustration, he developed a better way of working out.

In two years, he put on over 45 pounds of muscle simply by training with the X3 system, supplementing his protein intake with Fortagen, and streamlining his diet.

John Jaquish 1 year progression with the X3 bar
Dr. Jaquish’s actual progression when using only the X3 prototype for 1 year.

About the Inventor

John Jaquish, PhD, is a Wall Street Journal Best Selling author of Weightlifting Is a Waste of Time. He is the inventor of OsteoStrong a bone-density-building medical device that has reversed osteoporosis for thousands. The technology has created more powerful, fracture-resistant athletes across 300 clinics worldwide.

His second invention, X3, safely builds muscle faster than conventional lifting.

Dr. Jaquish is also a research professor and a nominee for the National Medal of Science.

Dr. Jaquish coaching NFL Hall of Famer Terrell Owens on variable resistance training with X3
Dr. Jaquish coaching NFL Hall of Famer Terrell Owens on variable resistance training with X3

Variable Resistance Training System

Weights overload joints and underload muscles, limiting muscle growth. Now there’s a better way. While researching bone density for his first invention, OsteoStrong, Dr. John Jaquish discovered a sevenfold difference between the weakest and strongest ranges in weight lifting.

The discovery led to the invention of X3, the ultimate muscle-building system. X3 requires lighter forces in the weak range and higher forces in the strong range, mirroring your body’s natural strength curve.

Johan Bicep Curl

Train Like an Athlete

Trusted by the World’s Best Athletes

Weight lifting causes joint damage and limits strength-building potential. For many elite professional athletes and championship teams, the injury risk is too high—and the returns are too low.

More and more athletes are turning to X3 for building muscle and increasing strength. It’s the workout system of choice for football great Terrell Owens, MMA legend Forrest Griffin, and the NBA’s Miami Heat.

Akbar Gbaja-Biamila NFL

Akbar Gbaja-Biamila

NFL

Alex Anzalone NFL

Alex Anzalone

NFL

Andre Drummond NBA

Andre Drummond

NBA

Cedric McMillan IFBB Pro Bodybuilding

Cedric McMillan

IFBB Pro Bodybuilding

Dan Cristian IFBB Pro Bodybuilding

Dan Cristian

IFBB Pro Bodybuilding

Shawn Baker, MD World Record Indoor Rowing

Shawn Baker, MD

World Record Indoor Rowing

Forrest Griffin Lt Heavyweight Champion & Hall of Fame MMA

Forrest Griffin

Lt Heavyweight Champion & Hall of Fame MMA

Gadiel Micu NPC Pro Bodybuilding

Gadiel Micu

NPC Pro Bodybuilding

Jamal Hill Professional Paralympic Swimming

Jamal Hill

Professional Paralympic Swimming

Terrell Owens NFL Hall of Fame

Terrell Owens

NFL Hall of Fame

Adam Von Rothfelder MMA

Adam Von Rothfelder

MMA

Javon Leake NFL

Javon Leake

NFL

Joe Reed NFL

Joe Reed

NFL

Tom Mandich MLB

Tom Mandich

MLB

Trevin Wade NFL

Trevin Wade

NFL

Nick Hardwick NFL

Nick Hardwick

NFL

Steven Benedict Professional Sprinter & Olympic Trials Qualifier

Steven Benedict

Professional Sprinter & Olympic Trials Qualifier

Andy Isabella NFL

Andy Isabella

NFL

Jonas Forsburg Swedish National Soccer

Jonas Forsburg

Swedish National Soccer

Juan Thornhill NFL

Juan Thornhill

NFL

Justin Kripps Olympic Gold Medalist (Canadian Bobsled)

Justin Kripps

Olympic Gold Medalist (Canadian Bobsled)

Kessia Mirellys IFBB Pro Wellness

Kessia Mirellys

IFBB Pro Wellness

Kevin Bull Professional Obstacle Athletics

Kevin Bull

Professional Obstacle Athletics

Miami HEAT NBA

Miami HEAT

NBA

Tracy Walker NFL

Tracy Walker

NFL

Trevor Cypress NPC Pro Bodybuilding

Trevor Cypress

NPC Pro Bodybuilding

Will Harris NFL

Will Harris

NFL

Wyatt Ray NFL

Wyatt Ray

NFL

X3 vs. Weights

You are cutting your gains short. X3 provides varied resistance through each movement. You can recruit more muscle, produce higher HGH levels, and drive greater gains.
  • More Resistance Where Your Body is Stronger
  • Less Risk of Injury Than Traditional Weights
  • Easier On the Joints, Harder on the Muscle
  • Complete Muscle Fatigue for Greater Muscle Gains

Maximize Muscle Fatigue and Growth with One Set

X3 is the strongest variable resistance training system ever created. Since you are weaker in starting positions, you use lighter forces at the beginning of each movement. This is where weightlifting injuries often occur. The weight increases as you move from the weak range (near the chest) to the strong range (near full extension).

What happens when you can safely train with greater force than you would with weights?

You trigger more muscle growth. By using heavier loads near full extension, you can exhaust larger muscles in one set.

  • Over 600 lbs of Available Force
  • Full-Body Muscle-Building Workouts
  • Greater Strength and Muscle Gains In Just 10 Minutes a Day
  • A Portable, All-In-One Home Gym System
10 Minutes is All You Need
Lift Heavier With Less Risk of Injury
A Full Gym Without a Gym
Workout Anywhere

The Ultimate Solution for Maximizing Muscle and Minimizing Body Fat

The X3 resistance band bar delivers variable resistance to match your body’s biomechanics.

With X3, you stimulate optimal hormonal release, fat loss, and muscle growth. It’s a faster, more effective workout.

X3 X3Free
Weights
Free weights
Resistance
Band
Packages
Resistance band packages
Tempo TempoTonal TonalDigital
Dumbbells/
Kettlebells
Digital dumbbells kettlebells
Other
"Smart"
Gyms
Other " smart" gyms
10-Minute Workout cancel sign  cancel sign  cancel sign  cancel sign  cancel sign  cancel sign
Joint Friendly cancel sign  cancel sign  cancel sign  cancel sign  cancel sign
600+ pounds of resistance cancel sign  cancel sign  cancel sign  cancel sign  cancel sign
Portable cancel sign  cancel sign  cancel sign  cancel sign  cancel sign
No Monthly Membership Fees * cancel sign  cancel sign  cancel sign
Under $600 ** cancel sign  cancel sign  cancel sign

*No fees for home gyms. The average gym in the United States costs $58 per month. **For minimal equipment.

All-In-One Home Gym

  • X3 Elite Bar – Specially machined alloy steel resistance band bar with internal bearings, like an Olympic bar, to optimize grip.
  • Ground Plate – Heavy Duty Steel Ground Plate Protects ankles from high forces produced by X3.
  • Custom Engineered Resistance Bands to over 600 lbs (272 kg) – Includes a range of bands made with 15 layers of latex (600+ lb Elite Band sold separately).
  • X3 Quick Start Guide – with workout instructions and safety information.
  • Exclusive Access to X3 Members Portal – you can master each movement and optimize nutrition.
All-In-One Home Gym

X3 12-Week Workout Program

The X3 12-week workout and nutrition programs, are only available for X3 customers. Start this push-pull split routine to build muscle, increase strength, and transform your body. Follow the X3 Program and discover how strong you can be in just 10 minutes a day.
  • Guidance on Form and Technique
  • Advanced Methods for Accelerating Growth
  • Tips On When to Exercise and When to Rest
  • Nutritional Meals with Little to No Prep
  • Simple Hacks for Greater Results

X3 Bar Results

X3 Bar Results: Before and After

  • John Ferro before and after using the X3 bar workout system

    John Ferro

    "I lost 22 pounds of body fat and gained 20 pounds of muscle in 30 weeks. I am so happy with my results. I will never go back to weights."
  • David Fish before and after using the X3 bar workout system

    David Fish

    "One year ago, I started using the X3 and I’ve been following the workout program. My midsection has always been a problem area and I am finally starting to get the results I want. I’ve done a lot of other programs with similar or even harder work, but never saw results like this."
  • Alex Naymark before and after using the X3 bar workout system

    Alex Naymark

    "Since I started X3 about 17 months ago, I’ve completely transformed my body by losing 35 lbs of fat and putting on 12 lbs of lean muscle. I’m still getting leaner while increasing muscle mass. This has been a life-saving workout regimen coming from an injury ridden powerlifting world. X3 is the best workout ever designed for putting on muscle. Thank you, X3 team!"
  • Stephen Heston before and after using the X3 bar workout system

    Stephen Heston

    "I started X3 at 185 lb and between 12-15% body fat. I am currently at 190 lb and between 7-9% body fat. What I found remarkable about the X3 is that I was able to add pounds of muscle mass while my body fat % saw a steady decrease. All while training MMA full time. When I was hitting the gym to lift weights, I never saw results like that. I use X3 right before I work a heavy bag, and it’s made a BIG difference in strength and performance."
  • Aaron Legassie before and after using the X3 bar workout system

    Aaron Legassie

    "I stopped training for over 10 years. I just lost the desire to weight train because of the lengthy sessions with minimal results. I’ve been utilizing X3 for 8 months now. It has changed my life. I’ve lost 117 POUNDS! The program, as-is, is absolutely amazing. I have gained an incredible amount of mass and can see definition in my abs for the first time."
  • Grant Denham before and after using the X3 bar workout system

    Grant Denham

    "Beyond grateful for you (Dr. J) educating the world on variable resistance and the creation of the X3! It’s all I used in my fitness transformation for exercise. I also use fortagen twice daily and eat carnivore. I’ve read your book twice and watched every podcast you’ve done on YouTube. I would always injure myself in the gym and never had consistency. Weightlifting sucks compared to X3!"
  • Rich Ouano before and after using the X3 bar workout system

    Rich Ouano

    "I’ve been using X3 for just over four years. I haven’t stepped inside of a gym since then. I will NEVER ever go back to free weights again. My life, as well as my physique, have completely transformed. I barely recognize myself in the mirror, and the gains continue, week after week. Thanks so much to Dr. Jaquish for this amazing, life-altering, and life-changing invention!"
  • Mabel Fornos before and after using the X3 bar workout system

    Mabel Fornos

    "I lost 30 pounds of fat in 4 months and gained muscle. My body has transformed. X3 is Amazing! THANK YOU!"
  • Caleb Demmons before and after using the X3 bar workout system

    Caleb Demmons

    "I started at about 190 pounds in March. Today I weighed in at 173. Being light but strong is exactly what I need and x3 has helped me skyrocket my results and training. As a professional parkour athlete, regular weightlifting always left me too sore. With X3, I can lift as heavy as possible and jump right into training afterward. I’m never sore and I perform better. X3 is the perfect supplement to my training."
  • John Cannon before and after using the X3 bar workout system

    John Cannon

    "I had consistent lower back and knee issues prior to X3. After using X3, I have had no injuries or ailments. My starting weight was 278 lbs and my current weight is 243 lbs (I’m 6’10”). I follow the nutrition protocol discussed in the book and strive to hit complete exhaustion on every workout with good form and repetitions."
  • Martin Vida before and after using the X3 bar workout system

    Martin Vida

    "It’s been 8.5 months since I started my journey with X3 bar. I’m down from 255 lbs and 35% bf to currently 220 lbs and 15% bf. Definitely the best investment I have ever made. X3, OMAD, and carnivore has become my lifestyle!"
  • Mandy Watson before and after using the X3 bar workout system

    Mandy Watson

    "I lost 25 pounds! I’m really short so it shows incredibly, and with the X3 deadlifts, my hamstrings got bigger and stretched the skin on the back of my legs so I have no more cellulite!"
  • Ted Radkoff before and after using the X3 bar workout system

    Ted Radkoff

    "An inch up on my arms, 6 inches down in my waist: seven months. This is far surpassed my expectations. Never picking up a weight again."
  • Dan Rodriguez before and after using the X3 bar workout system

    Dan Rodriguez

    "I followed Dr. Jaquish’s protocol, and used only the X3. I lost 2 inches around my waist and my weight stayed the same."
  • Patrick Tims before and after using the X3 bar workout system

    Patrick Tims

    "I’m Active Duty and have to maintain a certain level of conditioning for my annual physical fitness test. With X3 I’ve seen an increase in muscle mass and toning. In 8 months, my waist went from 35 to 31 and my run, definitely feels easier to do since my legs are stronger."
  • Keith Bout before and after using the X3 bar workout system

    Keith Bout

    "Best shape of my life, and I am in my 40’s. The X3 is super efficient. Not only do I use it, but I have the football team I coach using it too. Amazing results."
  • George Hayworth before and after using the X3 bar workout system

    George Hayworth

    "The results are outstanding but the other really surprising thing for me was how X3 hasn’t aggravated my existing injuries. In many ways it has rehabilitated them. I also went from 32 waist to 29-30 waist but had to have most of my pants tailored to be let out to make room for my bigger glutes."
  • Tim Bertrand before and after using the X3 bar workout system

    Tim Bertrand

    "In 12 weeks: Arms 5/8 bigger. Chest 7/8 bigger. Only worked out 10 min-ish per day. X3 is super efficient, and more effective than weight training. I am getting better results with this than with the 2 hour per day program I was on before."
  • Eric Bourgeois before and after using the X3 bar workout system

    Eric Bourgeois

    "My results in a year. I am a first responder so keeping fit is required, and now I am stronger and better conditioned than I ever imagined I could be. I liked the X3, but couldn’t understand the price. I started using just regular bands, but realized if I wanted to do meaningful strength training, the bands alone were hurting my wrists and ankles. NOW I understood X3 and pulled the trigger. Best decision I ever made."
  • Jason Young before and after using the X3 bar workout system

    Jason Young

    "In 15 months, I have gained 35 pounds of muscle using just X3 while maintaining the same body fat. I was always a hard gainer with weights, and hardly got any results. X3 changed everything."
  • Michael Patterson before and after using the X3 bar workout system

    Michael Patterson

    "In 90 days, worked through a few lingering injuries, lost 13 lbs of fat, and gained 18 lbs of muscle, and still gaining. Since watching my transformation, 4 of my friends have purchased X3s as well. Super happy with this thing!"
  • Thomas Kilcullen before and after using the X3 bar workout system

    Thomas Kilcullen

    "6 months with X3 only, and I look and feel completely different. Never going back to weights."
  • Todd Stratton before and after using the X3 bar workout system

    Todd Stratton

    "In 6 months, I gained 20 pounds of muscle and lost body fat at the same time, which was unexpected. X3 is fantastic."
  • Bill Broadway before and after using the X3 bar workout system

    Bill Broadway

    "I swapped over 20 lbs of body fat for lean muscle in 12 weeks using X3 ONLY. My advice for others, follow the program to the letter. Do NOT deviate, and don’t add other stuff. Dr. J did this right."
  • Brett Delaney before and after using the X3 bar workout system

    Brett Delaney

    "My X3 is literally my favorite thing I own. In 9 months, I increased lung capacity, dropped 9 pounds of body fat, and added over 22 pounds of muscle. I’m now sitting comfortably around 9-10% body fat."
  • Sean Williams before and after using the X3 bar workout system

    Sean Williams

    "In two months, I have seen fat loss, muscle gains, and definition. I love the accessibility of the product. My wife loves it too and she is also happy with her results. Adding to that, it has helped me in my job because it involves heavy lifting. The little time invested has yielded INCREDIBLE results!"
  • Sherry Waldman before and after using the X3 bar workout system

    Sherry Waldman

    "8 months of X3 and I have almost doubled my strength in every movement. My results are incredible."
  • Maykell Lorenzo before and after using the X3 bar workout system

    Maykell Lorenzo

    "I received greater gains from X3 in 11 weeks than in 20 years of lifting. I owned $10k of exercise equipment and sold it all now that I have my X3. Best device EVER for gaining muscle and losing body fat."
  • Rey Descalso before and after using the X3 bar workout system

    Rey Descalso

    "With weights, each injury meant 3 to 4 weeks of no exercise and reversal of any progress. I’ve had no injuries using the X3 even though the intensity of my workouts has increased exponentially. I used to walk around at 210. Now I’m 195. I can’t believe how good my body looks and feels. More muscular, more vascular, more flexible, and looking forward to the next x3 workout."
  • Raj Jayarama, MD before and after using the X3 bar workout system

    Raj Jayarama, MD

    "I am a physician and not only have my results been incredible, but I recommend X3 to my patients as well."
  • Greg Williams before and after using the X3 bar workout system

    Greg Williams

    "I’ve been noticing some pretty drastic results after only a month of X3. Before using the X3, I weighed about 270 lbs. After a month of using it, I weigh 235 lbs Feeling pretty good so far."
  • Matt Schweitzer before and after using the X3 bar workout system

    Matt Schweitzer

    "Best piece of workout equipment I’ve ever used. Massive strength gains, noticeable aesthetic changes in 4-5 weeks. The amount of muscle and lean mass is better than advertised. My DEXA and the mirror reflect massive changes."
  • Terrell Rainey before and after using the X3 bar workout system

    Terrell Rainey

    "X3 put 20 pounds of muscle on me in 24 weeks. I am on the road for work all the time, and by using X3, I have no compromise, better results than with weights, and I can do my workout ANYWHERE!"
  • Jeff Huguet before and after using the X3 bar workout system

    Jeff Huguet

    "Got my X3 in March. Been using it now for 8 months (the before pic is about 1 1/2 years ago). I’m 53 years old folks! X3 works. Plain and simple."
  • Sabian Beard before and after using the X3 bar workout system

    Sabian Beard

    "In the four months since I started X3 and adopted intermittent fasting, I’ve cut from 188 pounds at 12% body fat to 173 pounds at 7% body fat. I also sleep better and have better recovery. I’ve about doubled my vertical jump for football and ultimate frisbee, and even improved my running performance without any cardio work!"
  • Brandon Witters before and after using the X3 bar workout system

    Brandon Witters

    "Leaner and 30% stronger in all lifts on average. Strength gains even translate to weight lifting, though now I am 100% X3 for training."
  • Scott Blasz before and after using the X3 bar workout system

    Scott Blasz

    "I am 51, and 5’ 9. I was injured on the job and lifting weights was not an option. When I started using the X3, I weighed 247 pounds, and was 45-50% body fat. Now, 5 months later, I weigh 193 pounds and I’m about 19-23% body fat."
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What People Are Saying About X3

Frequently Asked Questions

Jaquish Biomedical X3 Elite reviews

Hear From Real Jaquish Biomedical X3 Elite Users

  • “It seriously changes the game when it comes to strength training. A must own!”
    —James T.
  • “Almost through my first 4 weeks with the X3 bar and I am extremely happy with how quickly I am feeling and seeing results!!”
    —Roy D.
  • “Man, 4 weeks in and my body has changed dramatically in a positive way. I'm loving this product and the program. Value far exceeds expectations”
    —Mike M.
  • “Was in the gym for 2 hours a day for 8 months before deciding to buy this device. My growth has exploded since using the X3 and I can do it at home in a fraction of the time.”
    —Will T.
  • “At my age I am looking to maintain tone. This system allows me to accomplish that and not spend hours in the gym.”
    —Earl B.
  • “The X3 is absolutely Great!!!! It really works, and gives fast results!!! Highly recommended!”
    —Mark S.
  • “I have been lifting for years, but this equipment is compact, easy to store and travel with, and really hammers the deep tissues fast, would definitely recommend.”
    —Jason F.
  • “I'm 61 and love the results I'm getting. Just 10 to 12 minutes every morning keeps me limber and getting stronger. Seems to help my stiffness in my lower back and well. Good stuff!”
    —Dean G.
  • “I love the system… minimizes the risk of injury while taking the muscles to failure and making great gains!”
    —Joe L.
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