Meet X3, a revolutionary training system that uses variable resistance to build strength and muscle.
X3 vs. Free Weights
Learn how X3 differs from static weights and traditional resistance bands.
Read the latest reviews from X3 Bar users across the globe.
How X3 Works
How does X3 work? Learn how this variable resistance training system can help you build the body of your dreams.
Variable resistance is a superior stimulus for building muscle and here’s the science to prove it.
X3 is a complete home gym system that uses variable resistance to build muscle faster and more effectively than free weights.
Weight Lifting is a Waste of Time
Dr. John Jaquish and Henry Alkire expose the futility of weightlifting and present a superior, science-backed approach to fitness and nutrition.
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Shop all of our science-backed fitness and nutrition products to achieve complete body optimization.
Home Gym Accessories
Accelerate your gains with home gym accessories from Jaquish Biomedical. From whole body vibration plates and resistance band accessories to fitness books and workout log apps, we’ve got you covered.
12-Week Program Roadmap
Follow the X3 12-week workout program and start building the body of your dreams through variable resistance.
X3 Workout Form
Master every X3 movement to accelerate your results and protect your joints.
Follow Dr. John Jaquish’s recommended nutrition protocol to burn fat, build muscle, and increase energy.
Find answers to all of your questions on X3, nutrition, biohacking, and more.
Learn how to finance your purchase through Affirm and PayPal credit.
Get the latest information on shipping, handling, customs fees, and transit times.
Your satisfaction is 100% guaranteed. Read our return policy for details.
These statements have not been evaluated by the Food and Drug Administration. Our products are not intended to diagnose, treat, cure, or prevent any disease. The results on this page may vary based on individual users and are not guaranteed.