Net Contents
180 Tablet(s)
Serving Size
3–4 Tablet(s)
Servings Per Container
180
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: 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: 3–4 Tablet(s) · 2 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Extreme Endurance Proprietary Complex | 850 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
Recommended Dosage Extreme Endurance is designed to be used everyday, all year long. If you train 5 to 6 times per week, swallow, (do not chew) 6 tablets daily; 3 in the morning and 3 in the evening, with or without food. Five to seven days before a race or competition increase your dosage to 8 tablets a day; 4 in the morning and 4 in the evening and continue this 8 tablets for one day after the race and then decrease dosage to 6 tablets per day. This helps immensely with recovery. Benefits within 48-72 hours.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warnings: Pregnant or lactating women, diabetics, hypoglycemics, and people with well known medical conditions should consult a physician prior to taking supplements.
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
Formulation re: Does NOT Contain
Guarantee: This product contains no yeast, wheat, corn, milk, egg, soy, glutens, artificial colors, sugar, starch, preservatives or flavorings. Gluten Free.
FDA Statements
FDA Statement of Identity
100% Natural Athletic 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
In addition to alkalizing agents, Extreme Endurance has added Papain, a natural anti-inflammatory that helps with muscle soreness. Catechins are added and are one of the most powerful antioxidants to help fight oxidative stress during exercise. Calcium and Magnesium, which meet the USRDA requirements, along with other Electrolytes, complete this revloutionary formula to assist athletes with the ability to quickly recover and restore balance.
General Statements: All Other Content
The longer an athlete uses Extreme Endurance, the greater the benefit.
Brand IP Statement(s) re: (c), (TM), (SM)
Extreme Endurance(TM) Clinically Proven to Reduce Lactic Acid and Improve Aerobic Threshold
General Statements: All Other Content
Certified ISO 17025 Tested for Banned Substances by INFORMED CHOICE. INFORMED-CHOICE uses a WADA (World Anti-Doping Agency) experienced lab and ISO 17025 accredited analytical methods to analyse for banned substances within top level sports.
General Statements: All Other Content
Extreme Endurance alkalizes the acids generated by sustained physical activity and improves muscle pH balance.
Brand IP Statement(s) re: (c), (TM), (SM)
xendurance(TM)
Seals/Symbols
INFORMED-SPORT.com Trusted by sport
Seals/Symbols
INFORMED-CHOICE.com Trusted by sport
General Statements: All Other Content
~ Reduces Muscle Soreness ~ Clinically Proven To Reduce Lactic Acid ~ Reduces Muscle Burn ~ Faster Recovery
General Statements: All Other Content
You Won't Train Without it!
Manufacturer & Distributor
Manufacturer
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)$44.96Xendurance Focus Pouches Clarity & Energy
xendurance4.9(110)$37.95Xendurance Chocolate Protein
xendurance4.9(124)$69.95Lean Plus:Xendurance Reviews
xendurance4.9(810)$54.95Essential by Xendurance
xendurance4.7(2800)$59.95
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.
ITL Health
5.0 (37)Vitamin & Supplements Shop
50 Broadway, London SW1H 0BL
Aphro-D
4.9 (82)Vitamin & Supplements Shop
27 Old Gloucester St, London WC1N 3AF
Protiv Nutrition
5.0 (1)Vitamin & Supplements Shop
3rd Floor, 207 Regent St., London W1B 3HH
Innermost
5.0 (17)Vitamin & Supplements Shop
Television Centre, XXIV Limited, Soho Works 2, 101 Wood Ln, London W12 7FR
Supreme Muscle Supplement Stepney Green
4.3 (52)Vitamin & Supplements Shop
126 Mile End Rd, Stepney Green, London E1 4UN
RightNutri
4.9 (78)Vitamin & Supplements Shop
26 Queenstown Rd, London SW8 3RX
Nayble Health & Sports
5.0 (139)Vitamin & Supplements Shop
18 Chamberlayne Rd, London NW10 3JD
EZ Suppz
5.0 (14)Sports Nutrition Shop
Apple Tree Rd, London N17 6FS
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 2014-10-10. DSLD Label ID: 36977. 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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