Xendurance

The ‘secret weapon’ giving athletes an edge

30-Day Money Back Guarantee

Supplement pouch labeled 'Xendurance Lactic Acid Buffer' for performance, endurance, and recovery. Contains 180 tablets.

Improve Performance

Increase Vo2 Max & Endurance

Speed Up Recovery time

60-Day Money Back Guarantee

Endorsed on:

XND INTRO OFFER

TRY OUR XND INTRO OFFER TODAY

28-Day Money Back Guarantee

28-Day Money Back Guarantee

Two lactic acid buffer packages and a £15 gift card.

60 Day Starter Pack

£104.98

£79.99

SAVE 24%

The 60 Day Pack Includes:

Free £15 Gift Card

2 x Lactic Acid Buffer Packs

order now

28 Day Money Back
Guarantee

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

Lactic Acid Buffer reduces lactic build up after intense workouts.

Age Slower

Promotes anti-aging by reducing damaging oxidative stress.

Journal of Athletic Achievement

ENA Conference, Vienna Austria

Journal of Athletic Achievement

ENA Conference, Vienna Austria

Trusted by

WORLD CLASS ATHLETES

"I have been on this product for over 10 years and swear by it"

Josh Bridges

Former Navy Seal & Crossfit Games Athlete

A man in a 'TEAM XND' shirt pours supplements into his hand.

"This has made a noticeable difference in my training"

Leon Bustin

Ultramarathon Runner

Man in a sleeveless shirt with 'STAY' written on it, standing against a plain background.

"I wish I knew about this sooner"

Ciaran Parkinson

Hyrox Athlete

“This is my secret that I don’t like to talk about. It’s my best recovery tool.”

Danielle Brandon

Crossfit Games Athlete

"My training has really improved and I feel ready to go again the next day."

Donovan Brazier

800M World Record Holder

"I have been on this product for over 10 years and swear by it"

Josh Bridges

Former Navy Seal & Crossfit Games Athlete

A man in a 'TEAM XND' shirt pours supplements into his hand.

"This has made a noticeable difference in my training"

Leon Bustin

Ultramarathon Runner

Man in a sleeveless shirt with 'STAY' written on it, standing against a plain background.

"I wish I knew about this sooner"

Ciaran Parkinson

Hyrox Athlete

“This is my secret that I don’t like to talk about. It’s my best recovery tool.”

Danielle Brandon

Crossfit Games Athlete

"My training has really improved and I feel ready to go again the next day."

Donovan Brazier

800M World Record Holder

"I have been on this product for over 10 years and swear by it"

Josh Bridges

Former Navy Seal & Crossfit Games Athlete

Take a Look Inside

Lactic Acid Buffer is fully compliant and:

Informed Sport
Certified

Ensuring strict drug free protocols are followed.

Gluten Free Preservative Free

Safe for celiacs and no bad fillers.

Zero banned
ingredients

It’s an all-natural, electrolyte mineral supplement.

Unchanged since 2008

Original formulation unchanged since its conception

For Elite Athletes and Aspiring Athletes

+1000 5-STAR REVIEWS

Won’t go without it

“I can honestly say you won’t find anything better out there to help you out with lactic acid and soreness. I workout 7 times a week and it’s been in great part thanks to this!”

Jose T.

VERIFIED PURCHASE

Got my breath back

"Whichever discipline I was training in I was finding myself gasping for air. Since starting Xendurance I havent had issues with catching my breath, my runs have improved to where they should be."

Brandon C.

VERIFIED PURCHASE

I'm a believer!

"I'm a newer CrossFit member but sometimes bike and run. I started Lactic Acid Buffer 3 weeks leading up to a sprint triathlon. With little training I somehow pulled off 1st AG and 20th female."

Joyce

VERIFIED PURCHASE

Won’t go without it

“I can honestly say you won’t find anything better out there to help you out with lactic acid and soreness. I workout 7 times a week and it’s been in great part thanks to this!”

Jose T.

VERIFIED PURCHASE

Got my breath back

"Whichever discipline I was training in I was finding myself gasping for air. Since starting Xendurance I havent had issues with catching my breath, my runs have improved to where they should be."

Brandon C.

VERIFIED PURCHASE

I'm a believer!

"I'm a newer CrossFit member but sometimes bike and run. I started Lactic Acid Buffer 3 weeks leading up to a sprint triathlon. With little training I somehow pulled off 1st AG and 20th female."

Joyce

VERIFIED PURCHASE

Won’t go without it

“I can honestly say you won’t find anything better out there to help you out with lactic acid and soreness. I workout 7 times a week and it’s been in great part thanks to this!”

Jose T.

VERIFIED PURCHASE

Got my breath back

"Whichever discipline I was training in I was finding myself gasping for air. Since starting Xendurance I havent had issues with catching my breath, my runs have improved to where they should be."

Brandon C.

VERIFIED PURCHASE

I'm a believer!

"I'm a newer CrossFit member but sometimes bike and run. I started Lactic Acid Buffer 3 weeks leading up to a sprint triathlon. With little training I somehow pulled off 1st AG and 20th female."

Joyce

VERIFIED PURCHASE

Won’t go without it

“I can honestly say you won’t find anything better out there to help you out with lactic acid and soreness. I workout 7 times a week and it’s been in great part thanks to this!”

Jose T.

VERIFIED PURCHASE

UNRIVALED

Benefits

Others

Unbiased & rigorous scientific research

Reduces lactic acid by 26%

Reduces oxidative 
stress by 39%

Informed-Sport Certified

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

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!

Certified By Informed Sport

3rd party tested to guarantee free of banned substances

28-Day Guarantee

say goodbye to your weak links

Stop making excuses. Recover faster and perform at your best.