Xendurance: Everything I Know After Nearly a Decade of Daily Use
The verdict up front: Extreme Endurance is the one supplement I never skip, and Xendurance is the only supplement company whose entire line I trust enough to give my family. I've taken these products daily since August 2017, made my first Xendurance video in 2019, and spent 10+ years helping gym owners and athletes with supplementation as a CF-L1 trainer and NASM Certified Sports Nutrition Coach.
This page is the index of everything I've written and filmed about Xendurance. No hype. What works, what it costs, and how to save money.
Shop Xendurance and save with my link — code TEXT15
Start Here
- New to Xendurance? What Is Xendurance? The Makers of Extreme Endurance
- Want the flagship — and does it actually work? Extreme Endurance Overview & Review
- Ready to buy? Where to Buy Xendurance and the current discount code + every way to save
Product Reviews
- Extreme Endurance Overview & Review
- Xendurance Hydro Review & Taste Test
- Why I Choose Xendurance (After Testing Everything Else)
- What Is Xendurance? Company History & Is It Legit
- Where to Buy Xendurance
- Xendurance Discount Code: Every Way to Save
Deep Dives
- Extreme Endurance vs. Sodium Bicarbonate: Which Lactate Buffer Actually Works?
- Extreme Endurance Side Effects: What Nearly a Decade of Daily Use Taught Me
- Extreme Endurance Ingredients: What's Actually in It (and Why Each One's There)
More Reviews & Guides
- BEST Vitamin Supplement for Men Over 40 (Xendurance Immune Boost)
- The ONE Supplement All Men Over 40 Need to Take (Creatine)
- Xendurance's TOP 3 Supplements for Runners EXPOSED
- Top Athletes' Must-Have: Extreme Endurance by Xendurance
- Xendurance Focus Blood Orange Taste Test REVIEW
- Xendurance Collagen + Greens Supplement Overview
- Is Xendurance NCAA Approved? Extreme Endurance is Banned Substance Free
- Xendurance Doesn't Tell You THIS... So I Will
- TOP Supplement Affiliate Program for CrossFit Affiliate Gym Owners
Watch: 6+ Years of Xendurance on Video
I've been filming these products since 2019. Everything is on the channel:
- Xendurance Extreme Endurance Reviews — the flagship, tested over years
- Xendurance Product Reviews & Overviews — every product in the line
- Xendurance FAQs — the questions people actually ask
- CrossFit Gym Owners Love Xendurance — not just me
- Xendurance Affiliate Program — how the program works
Why I Trust This Company
Founded by an Olympic bobsledder. Clinically studied — 12 studies on Extreme Endurance, including two double-blind placebo-controlled published trials. First US sports supplement certified by Informed Sport for banned substances. No artificial junk. I've met the people, worked with the CEO on the XND63 habit program, and I test everything I recommend on myself first.
FAQ
Is Xendurance legit? Yes. 20+ years in business, clinically studied products, Informed Sport certified (banned-substance tested), and a 30-day money-back guarantee. I've used the products daily since August 2017 and built my recovery around them.
What's the one product to start with? Extreme Endurance. Clinically shown to reduce lactic acid by 26%, cut CK (muscle-damage) markers, and reduce oxidative stress by 39%. Three tablets in the morning, three at night.
How fast does Extreme Endurance work? Most people notice less soreness within 48 to 72 hours. That matches the clinical testing and my own experience.
Is there a Xendurance discount code? Yes — use code TEXT15 with my link to save on your order. More ways to save here.
Do you actually use this stuff? Every day. I'm an affiliate because I use it — not the other way around.
Big Mike Behrens — CF-L1, NASM CSNC, 23-year pro wrestler, Xendurance daily user since August 2017. I test everything I recommend.
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