Extreme Endurance™
Other CombinationsBrand: Xendurance
Functions
Net Contents
180 Tablet(s)
Serving Size
3 Tablet(s)
Servings Per Container
30
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
8 55532 00212 7
Product Version
Not Present
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Label includes a proprietary blend, so some individual amounts are not itemized.
Label states: Non-GMO, Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Milk
- Egg
- Wheat
- Soy
Free From
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 3 Tablet(s) · 2 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Extreme Endurance Proprietary Complex | 5100 mg | — |
| Calcium Carbonate | — | — |
| Papain | — | — |
| Magnesium Oxide | — | — |
| Potassium | — | — |
| Magnesium Hydroxide | — | — |
| Catechins | — | — |
| Selenium(L-Selenomethionine) | — | — |
| Chromium | — | — |
| Black Pepper | — | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Load serving for event or competition; Beginning one week prior take 4 tablets in the am and 4 tablets in the pm.
Suggested/Recommended/Usage/Directions
Optimal directions - 6 tablets daily Take 3 in the morning + Take 3 in the evening Use everyday for best results Can be combined with all Xendurance products Swallow tablets - do not chew
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warnings: Do not use if pregnant, nursing, or under the age of 18.
Precautions re: Children
Warnings: Do not use if pregnant, nursing, or under the age of 18.
Precautions re: All Other
Use only as directed. Consult with a doctor before taking this or any other dietary supplement, especially if you have or suspect you may have a medical condition, including but not limited to diabetes or hypoglycemia, or are taking any over the counter products, or other dietary supplements. Immediately discontinue use and consult your doctor if any adverse reactions occur.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if package is open.
Storage
Storage
Store in a cool, dry place.
Formulation
Formula re: Contains
Extreme Endurance provides alkalizing agents, along with papain, a powerful ingredient that aids the body with muscle soreness caused by exercise. Catechins are added to help fight oxidative stress during exercise, Calcium and magnesium are added along with other electrolytes to complete this revolutionary formula and assist with the body's ability to quickly recover, reduce muscle soreness and muscle damage caused by workouts, and restore pH balance.
Formulation re: Does NOT Contain
Guarantee: This product contains no yeast, wheat, corn, milk, egg, soy, glutens, artificial colors, sugar, starch, preservatives or flavorings.
Formulation re: Does NOT Contain
Gluten free, non-GMO
FDA Statements
FDA Statement of Identity
Dietary Supplement
FDA Disclaimer Statement
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.
Other Label Statements
General Statements: All Other Content
Performance
General Statements: All Other Content
Gold standard, published, clinical study
Seals/Symbols
Informed-sport.com Trusted by sport
Seals/Symbols
Informed-choice.org Trusted by sport
General Statements: All Other Content
Performance / Endurance / Recovery
Brand IP Statement(s) re: (c), (TM), (SM)
In clinical studies, Extreme Endurance helped participants reduce exercise-related lactic acid and muscle soreness, increase aerobic threshold, and benefit from a quicker recover.
General Statements: All Other Content
Certified ISO 17025 Tested for Banned Substances.
Brand IP Statement(s) re: (c), (TM), (SM)
Extreme Endurance is specially formulated to help the body alkalize acids generated by sustained physical activity.
General Statements: All Other Content
Made in USA
Brand IP Statement(s) re: (c), (TM), (SM)
2015 Lifespan International US, LLC. All rights reserved.
Manufacturer & Distributor
Distributor
Lifespan International US, LLC.
P.O. Box 6088, Carefree, AZ, 85377
877-754-0436
Other
xendurance.com
Market Reference
X Endurance Extreme Endurance Lactic Acid Reducer
xendurance4.7(2700)$44.96Vanilla / Extreme Endurance / Dragon Fruit
xendurance$123.71Best Focus Powder Supplement for Energy and Endurance Blood Orange
xendurance4.8(685)$52.95Test+ Men's Vitality Support Energy & Muscle Strength Formula
xendurance4.7(447)$44.96Beetroot Powder Supplement for Blood Fuel Endurance Support
xendurance4.9(311)$48.95Xendurance Focus Pouches Clarity & Energy
xendurance4.9(110)$37.95Xendurance Chocolate Protein
xendurance4.9(124)$69.95Lean Plus:Xendurance Reviews
xendurance4.9(810)$54.95
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
ESN Endurance Sports Nutrition
5.0 (94)Vitamin & supplements store
13710 Whittier Blvd #104, Whittier, CA 90605
Extreme Nutrition
5.0 (49)Vitamin & supplements store
1315 Blackwood-Clementon Rd, Clementon, NJ 08021
Research & Studies
Evaluation of a Sport Supplement on Performance, Buffering Capacity, Muscle Damage, Oxidative Stress, and Inflammation
J Soileau - 2016 - search.proquest.com
… Sixteen healthy, college-aged males were participants in this … supplement will be either Extreme Endurance (website for information: https://www.xendurance.com/extremeendurance/…
2016Contaminación y efectos secundarios en suplementos deportivos (proteínas, aminoácidos, creatina y suplementos para la pérdida de peso).
M Muñoz López - 2014 - oa.upm.es
… the production of sport supplements is not properly regulated … substances contained in supplements may include some that … acids, creatine and fat loss supplements and which brands or …
20142 citationsChanges in the concentration of bone turnover markers in men after maximum intensity exercise
M Bagińska, ŁM Tota, M Morawska-Tota… - PeerJ, 2024 - peerj.com
… The potential implications of this study extend to both the sports and health care domains, … The study covered a group of 33 healthy men aged 20–25. The subjects were divided into two …
20244 citationsThe Effect of Iron Supplementation on Blood Components, Immune Cells and Aerobic Capacity during Gradual Weight Loss.
Y Hong, ES Ahn - International Journal of Applied Sports …, 2000 - search.ebscohost.com
… of restricted food intake and dehydration to weaken health. And, taking into consideration the change of transferrin concentration, supplement of iron affected the increase of WBC. …
2000The US Market Introduction of an European Sports Nutrition Brand
R Mayol Reig - 2012 - upcommons.upc.edu
… CPG producers should take cues from the health & wellness industry, as extreme claims, … Frank, co-founded E-CAPS, a supplement line geared for endurance athletes that now …
20122 citationsExercise for the frail elderly
RJ Shephard - Research in Sports Medicine: An International …, 1990 - Taylor & Francis
… activity as a means of improving their health status. Regular exercise can restore social contacts, improve cognition, mood state and perceived health, reduce cardiovascular risk, control …
199016 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2015-11-24. DSLD Label ID: 53237. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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