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Xendurance
Supercharge Lean Muscle Mass & Strength

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Improves Muscular Strength and Energy Output
Optimizes force production and endurance through targeted training and recovery*
Counter Age-Related Muscle Loss
Mitigates muscle deterioration with targeted strength training and nutrition to enhance overall health in aging*
Rehydrate and Optimize Muscle Function
Replenishes fluids, increases vitality, and improves muscle efficiency for peak performance*

Science Driven Results
Formulated with research-driven nutrients to maximize strength and optimize muscle gains*
Science Driven Results
Formulated with research-driven nutrients to maximize strength and optimize muscle gains*
Peptistrong shown in two clinical published studies to improve power output, by up to 144%

Protein synthesis 4x greater than after the same amount of whey protein.



Hormone-Free
Third Party Tested
Non-GMO
AI-Powered Peptide, Sourced from Fava Beans, Identified using State-of-the-Art Machine Learning Research to Harness Muscle Building and Performance*

Branch Chain (BCAA) and Essential Amino Acids (EAA) to Support Athletes in Enhancing Muscle Growth, Strength, and Overall Physique
5,400 MG

Muscle Growth and Reduced Muscle Breakdown*
1,000 MG

L-Glutamine
Speeds Muscle Repair after Workouts while Supporting Gut and Immune Health*
3,000 MG

Replenish Hydration, Boost Energy and Support Muscle Function*
300 MG

XND INTRO OFFER
XND INTRO OFFER
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2x Strength-5 Pack
$178.85
$117.90
SAVE $61

FREE Creatine-JB

FREE $25 Gift Card

2 x Strength-5
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By World Class Athletes
Take a Look Inside
Clinically Verified
First US company to use trusted global testing method
Gluten Free Preservative Free
Safe for celiacs and no bad fillers.
Zero banned
ingredients
It’s an all-natural dietary supplement.
Made in
the USA
Proudly made and owned in the USA.
5-STAR REVIEWS
Several Additional Libido and Reproductive Health Benefits

167% Increase in Sperm Count

53% Increase In Semen Volume

57% Increase In Sperm Mobility

17% Increase in Serum Testosterone Levels



167% Increase in Sperm Count

53% Increase In Semen Volume

57% Increase In Sperm Mobility

17% Increase in Serum Testosterone Levels

Multi-ingedient natural supplement will have numerous advantages over peers
Boost Muscle Growth, Minimize Muscle Loss
Combat Age-Related Muscle Decline While Supporting Healthy Aging
Replenish Plasma Glutamine Levels Drained by Intense Physical Stress
Restore Hydration, Elevate Energy, and Enhance Muscle Performance
Certified Drug Free by Informed Sport
ALL NATURAL MUSCLE GROWTH
ALL NATURAL MUSCLE GROWTH
Non-gmo, soy & dairy free, no artificial colors, flavors or artificial sweeteners, no caffeine or stimulants

Scientific Efficacy
Proven by rigorous scientific research and tested by unbiased 3rd parties.
State-of-the-Art Manufacturing
We only partner with Good Manufacturing Practice (GMP) certified and/or equivalent facilities.
Accessibility for All
We strive to make our product line available to athletes of all abilities!
60-Day Guarantee


FAQS
What is Peptistrong?
PeptiStrong® is an innovative, plant based, AI-powered peptide, sourced from fava beans, these peptides are identified using state-of-the-art machine learning research to harness muscle-boosting benefits for workout and performance supplements.*
What benefits does HMB have?
HMB (beta-hydroxy beta-methylbutyrate), a compound your body naturally forms by metabolizing leucine, offers impressive benefits as a supplement, particularly for supporting muscle health. Research highlights its ability to enhance muscle growth, especially in untrained individuals and older adults starting resistance training, while also reducing muscle breakdown in various scenarios, like during intense exercise or aging.
Additionally, HMB can boost exercise performance, making it a valuable tool for those looking to preserve or build muscle mass. Though its effects may vary based on training status and protein intake, it shines as a support for minimizing loss and promoting gains in specific groups, contributing to stronger, more resilient muscles.*
Can you take Strength-5 with other Xendurance supplements?
Strength-5 is designed to pair seamlessly with other Xendurance products, enhancing your fitness routine with synergistic benefits. It works hand-in-hand with Creatine-JB, as both boost muscle strength through complementary mechanisms—Strength-5 fuels power and endurance, while Creatine-JB amplifies energy and growth.
Its flavor profile and fine powder blend effortlessly with Hydro, Fuel-5, Fuel-5+, and Xendurance Proteins. Simply toss a scoop of Strength-5 and, say, Creatine-JB into your shaker, add your preferred amount of water, and shake for a smooth, tasty mix—crafted to integrate perfectly with these powders for maximum impact.*
How should you take Strength-5 for maximum results?
For maximum results, mix one scoop into 8-16 ounces of water or blend it with your go-to powdered supplement—think Creatine-JB or any Xendurance formula like Hydro or Fuel-5. Its light, refreshing flavor makes it a breeze to enjoy before, during, or after your workout.
Just shake it up, and you’re ready to power through or recover strong—it’s that simple and versatile!*
What are the benefits of each amino acid in Strength-5?
L-Tryptophan: Fuels the creation of vital neurotransmitters and hormones like serotonin and melatonin, enhancing mood balance and promoting restful sleep.*
L-Lysine: Crucial for avoiding niacin (Vitamin B) deficiencies and accelerating connective tissue recovery when levels drop.*
L-Methionine: Delivers sulfur and essential compounds to optimize metabolism and foster robust growth.*
L-Valine: Drives muscle performance, supports tissue repair, and keeps nitrogen levels steady in the body.*
L-Leucine: Ignites muscle protein synthesis and acts as a key energy driver for tissue building and repair.*
L-Isoleucine: Essential for regulating blood sugar, aiding muscle repair and growth, and sustaining energy.*
L-Threonine: Vital for antibody formation, strengthening immunity, and converting into glycine and serine as required.*
L-Phenylalanine: Sparks the production of hormones and neurotransmitters critical for top-notch nervous system function.*
L-Histidine: Supports tissue development and repair, forming proteins while maintaining muscle and nerve health, and producing histamine to aid immunity and digestion.*

THERE IS NO REASON TO SLOW DOWN
Stop making excuses. Stay young and perform at your best.

Proudly owned, manufactured and shipped in the USA, since 1998.
Get in touch: info@xendurance.com
*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.