Endure 2X with Logo Nalgene Bottle

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Limited-Time Offer -- FREE Nalgene Bottle ($20 Value)

What’s Your “X”?

ENDURE X™ will help you achieve your “X” by increasing your power endurance, stamina, and recovery between repeated efforts. Our novel pre-performance formula is comprised of all-natural ingredients (beetroot extract & citrulline malate) shown in studies to boost endurance via multiple ergogenic pathways. Whether you’re a recreational or professional athlete ENDURE X gives you a performance edge in pursuing your goals.

Performance-enhancing benefits while climbing and training:

* Improves Power Endurance on Routes and Boulder Problems
* Accelerates Recovery between High-Intensity Efforts
* Supports Optimal Blood Flow, Mitochondria Function, and O2 Kinetics
* Supports Performance at Altitude

DIRECTIONS: Mix 1 scoop of ENDURE X in 16oz of water, or add 1 scoop to a small water bottle and shake. Drink early in your warm-up before training, performance, or competition. Optimal aerobic-system priming—for increased power endurance and recovery between efforts—arises 1 to 4 hours after consuming ENDURE X. 

PRO TIP: For maximum effect, consume one serving of ENDURE X every day before breakfast and another before PM training or performance climbing. To enhance all-day performance at the crags or boulders, drink 16oz (1 scoop) during warm-up climbs and then a second 16oz serving around 4 hours later to maintain ergogenic effects late into the day. Our 32oz logo Nalgene bottle is ideal for this usage!

---------------- Wild Berry Flavor ----------------

NO Caffeine * NO Artificial Colors * NO Artificial Flavors * VEGAN

 30 servings per unit (338 grams per container)

  * These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Customer Reviews

Based on 7 reviews
Chase owens

Really noticed the difference in how long I can Stay on the wall and how fast I can shake a pump out The other day after I was climbing on the woody a lil stoned and really noticed it!!!!! Thanks for all the time and effort you’ve put into helping climbers Eric!!!!!


When I first saw my friend using this, I was like, "whoa, what is Endure?!" Endur-EH, like a Spanish pronunciation. Now I can't say "endure," but I digress...

As I did with the Physivantage Collagen and Protein products, I only needed to use it once to see/feel the benefits, and now I'm a believer. Taking this as suggested (16oz to start, and 16oz mid-day) on a full day of climbing really makes a noticeable difference. I'm really stoked to have this for places like the Black Canyon or a long day in the desert, where the endurance really comes into play. It's hard to describe, but it just makes my body feel really good, and I feel like I'm able to perform at my max. I was starting to feel a little tired in the middle of a long route, and chugged the other 16oz I brought up on the wall with me. Go-go juice, engage!! I felt a good burst of energy to finish out the route and long day. How can beets be so magical? ...Beets me!

Mike Njoten

Best Nalgene bottle in the world!

Hunter Howell
Great Product!

About a week after I started using the Endure Mix I noticed that I was able to climb a lot longer without losing my strength and getting injured by using the collagen! The Nalgene water bottle is perfect for long days out at the crag climbing all day!

If you're a pre-workout drink person, you might as well drink something backed by the best science.

Ive only had fewer than 2 weeks with Endure X, so I dont feel like I can speak with certainty to its effect. (That said, I have had a very strong recent couple of trips to the gym.) I had been using a BCAA powder, but Im sold on the stronger science behind Endure X.