Xendurance

The ‘secret weapon’ giving athletes an extra edge

Try the World’s #1 Certified Supplement for athletes looking to:

Improve Performance

Increase Endurance

Speed Up Recover time

The ‘secret weapon’ giving athletes an extra edge

Try the World’s #1 Certified Supplement for athletes looking to:

Improve Performance

Increase Endurance

Speed Up Recovery time

Endorsed by:

Tried & Tested by

Over 300K Customers

Proven In

12 Clinical Studies

Recover Faster

Fights free radical damage & supports crucial cellular functions.

Stamina Increase

Push your limits to go the distance, fight fatigue and set PRs.

Increase Power

Increase power output by 10-25% with a similar heart rate.

Deeper Breaths

Increase VO2 Max & Aerobic Threshold. Perform better for longer.

Deeper Breaths

Increase VO2 Max & Aerobic Threshold. Perform better for longer.

Reduce Lactic Acid

Extreme Endurance reduces lactic build up after intense workouts.

Age Slower

Promotes anti-aging by reducing damaging oxidative stress.

As proven in:

Journal of Athletic Achievement

ENA Conference, Vienna Austria

Journal of Athletic Achievement

ENA Conference, Vienna Austria

TRY our XND INTRO OFFER TODAY

TRY our XND
INTRO OFFER TODAY

60 Day Money Back Guarantee

60 Day Starter Pack

$183.85

$119.90

SAVE $63.95

Experience the World’s #1 Supplement for Stamina, Recovery and Soreness.

Try the 60 Day Pack and get:

FREE Omega+D3

FREE $25 Gift Card

2 x Packs of Extreme Endurance

order now

4.76/5

Money Back
Guarantee

1.3K+

Reviews

Trusted by

World Class Athletes

"I wish I knew about this sooner"

Matthew Centrowitz

Olympic Gold Medalist

Take a Look Inside

Extreme Endurance is fully compliant and:

Informed Sport
Certified

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, electrolyte mineral supplement.

Made in
the USA

Proudly made and owned in the USA.

For Athletes and Non-Athletes

+1000 5-Star Reviews

It actually works tbh

"I really thought that I would try this stuff and it would make a difference and I would just get my money back you know? But I just completed a half marathon two minutes under my goal time is amazing!

Tiffany F.

VERIFIED PURCHASE

Test via the

ONE WEEK CHALLENGE

Stop moving at a snail’s pace - see proven results within 7 days.

Test via the

ONE WEEK CHALLENGE

Stop moving at a snail’s pace - see proven results in 7 days.

Day 1

Record workout of your choice without Extreme Endurance

Day 2-7

Start taking Extreme Endurance and don't skip any days

Day 8

Retest workout from Day 1 and see your performance increase

See why XND is

Unrivaled & Unmatched

Benefits

Others

Unbiased & rigorous scientific research

Reduces lactic acid by 26%

Reduces oxidative 
stress by 39%

Informed-Sport Certified

Proudly U.S.A made & owned

NON-GMO Gluten Free Preservative Free.

NON-GMO
Gluten Free Preservative Free.

Non-gmo, soy & dairy free,  no artificial colors, flavors or artificial sweeteners, no caffeine or stimulants

Backed by the XND Promise

100% Guaranteed