SENDURE-X® Performance - Bulk Discount

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SAVE 20% when you buy 4 Sendure-X!

(Note: This offer cannot be combined with a checkout discount code.)

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

NSF Certified for Sport! - NO Caffeine - Nothing Artificial!

30 servings per unit (338 grams per container) - Vegan-friendly!

BOOST ENERGY PRODUCTION, PERFORMANCE, AND RECOVERY BETWEEN BOUTS OF EXERCISE!

This 20% bulk discount of Sendure X is the most affordable way to stock up on this essential supplement for avid and elite climbers. This supply will last approximately 4 months given once-daily use of Sendure-X. Elite climbers may choose to consume 2 servings per day for maximum benefits on two-a-day training or performance days.


If you're looking for a powerful and caffeine-free pre-workout and performance-boosting supplement, then you need to look no further!

SENDURE-X® will help you send your “X” whether it's in the gym, on the playing field, in the mountains, on the road, or in competition of any kind. Using all-natural, proven ingredients (beetroot, citrulline, and betaine), SENDURE-X promotes nitric oxide production and circulation, thus increasing oxygen kinetics and aerobic power. For a passionate athlete like YOU, this means more power-endurance, stamina, and V02, as well as faster recovery between plays and high-intensity intervals. Whether you’re a recreational or professional athlete, SENDURE-X will give you a performance boost you can FEEL!

Performance-enhancing benefits include:

* Increased Power Endurance and Stamina
* Accelerated Recovery between High-Intensity Efforts
* Optimized Blood Flow, Mitochondria Function, and O2 Kinetics
* Improved Performance at Altitude
* As a Daily Supplement...May Improve Blood Pressure, Circulation & Heart Health

 

dr. noah kaufman endorses PhysiVantage Sendure-X for performance and heart health

DIRECTIONS: Mix 1 scoop of SENDURE -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 SENDURE-X. 

PRO TIP: For maximum effect, consume one serving of SENDURE-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.

  * 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.

** Warning: May not be suitable for those with chronic migraines, low blood pressure, or kidney stones. Consult your medical doctor. 


The Science:

Beetroot and Citrulline Malate are two of the most-studied and effective performance-enhancing substances. As uniquely combined in Sendure-X, these two all-natural substances improve blood flow, oxygen kinetics, and muscle efficiency, thus increasing power endurance, recovery between intermittent high-intensity efforts, and performance at elevation.

Beetroot extract (BRE) is a rich source of nitrate reduced in vivo to nitrite and subsequently nitric oxide (NO). Elevating NO bioavailability improves body flow via vasodilation, most importantly in poorly perfused fast-twitch muscle fibers, elevates muscle oxygenation, and improves endothelia function. One study of healthy trained adults showed a 7.1% increased muscle efficiency (Larsen 2007), while another study showed a 15% increase in time to failure in high-intensity running (Lansley 2011) after 6 days of dietary nitrate—evidence that chronic supplementation forms a sort of “pool” of substrate that is used during exercise. A recent study of exercise performance at altitude showed that BRE improved 3km time-trial performance by 4% compared with placebo (Shannon 2017). These, and many other, potential benefits of BRE use are so significant that the Australian Institute of Sport (AIS) has graded it “Class A”—the highest level of evidence that a substance can improve exercise performance.

Citrulline malate (CM) is a non-essential amino acid found in watermelon with potential benefits for power-endurance athletes, such as rock climbers, that may even exceed those of beetroot. The therapeutic and ergogenic effects of daily CM use have been studied extensively over the past 25 years, particularly in Spain where CM is sold as the pharmacologic Stimol (to treat physical fatigue, improve cognition, reduce muscle pain, and combat minor erectile dysfunction, among other things).

Studies on CM use by athletes are many. Bendahan (2002) showed replenishment rate of ATP between bouts of high-intensity exercise was accelerated by 20%. Similarly impressive was a randomized, double-blind, placebo-controlled, crossover study performed by the Department of Medicine, University of Cordoba, Spain (Perez-Guisado 2010). The 41 subjects performed 16 sets of pectoral training at 80% of 1RM with just one minute of rest between sets—a real test of strength/power endurance! The CM group performed more repetitions from the third set onward and the increase in reps was positively correlated with the number of sets, such that on the final set the CM group averaged 53% more reps than the control group. Furthermore, the treatment group experienced 40% decrease in muscle soreness score at 24 and 48 hours post-exercise, compared to placebo. A 2019 meta-analysis published in the Journal of Sports Medicine analyzed 12 peer-review, placebo-controlled studies of CM (n=198) and found a “significant benefit for citrulline compared to placebo treatments”, although the effect size was small and the benefits would be most meaningful among elite athletes (Trexler 2019). Also noteworthy is an interesting study of female masters’ athletes that found a statistically significant increase in grip strength one hour after an acute dose of CM (Jordan 2016). Booyah!

CM ergogenic pathways are many and researchers are still unwinding the details. In vivo, L-Citrulline is converted to L-Arginine and, in response to exercise, results in a sharp increase in nitric oxide (NO). Subsequent vasodilation allows for increased blood flow to active muscles, enhancing delivery of nutrients (and efflux of metabolic byproducts), augmenting contractile properties, and improving repair of muscle fibers (Petrovic 2008) during post-exercise recovery. Multiple studies have shown improved mitochondria function via modulation of the citric acid cycle (increase aerobic metabolism of lactate) and improved handling of ammonia (urea cycle)—these combined effect reduced O2 cost of exercise, thus slowing the burn rate of the finite anaerobic reserve and reducing the sensation of muscle fatigue. The bottom line: More studies than not show ergogenic effects of CM use especially in terms of time to failure during high-intensity exercises and most notably in events lasting 1 to 10 minutes. Performance benefits result from both acute and chronic supplementation of CM, and may be most meaningful among high-level athletes, masters athletes, and when exercising at elevation.

Leveraging this wealth of research, Sendure-X is the first supplement to combine beetroot extract, citrulline malate, and betaine (a molecule found in beetroot sugar that may boost power) to create a synergistic endurance-enhancing pre-workout/pre-performance drink. Give it a try—it works!


NOTE: Sendure-X is NSF Sport Certified! The ingredients are safe for competition as clarified and sanctioned by WADA, IOC, NCAA. This product is manufactured in a cGMP-certified facility which tests each raw material and then third-party tests every finished batch to validate the nutritional facts and vitamin & mineral label claims are met and to confirm that other hazardous elements, such as microorganisms, are not present. Made in the USA.

Customer Reviews

Based on 11 reviews
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Gregory Steverson

Sendure x

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Christian Walding

SENDURE-X Performance - Bulk Discount

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Ed Murray
Tasts great!

I decided to see if this would work and... I think it actually really does help! However, the best part is the taste - I really like it! (I notice someone below mentioned mixing it with the collagen. I'm going to try that, it may just be the ticket!)

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Kent Black
Very satisfied...thank you Mr. Horst!

Very happy to both help support your enterprise and be supported from your work and physivantage. Central PA, passionately moderate climber, recent spring climbing blowout... safe harbor... rock run... moc... tilbury... whiskey springs... pulpit... shaffers... Love the podcast. Very inspiring!

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Casey McTaggart
Great product and quick shipping

Thanks, I think this stuff really helps.