All PurAthlete products are "NSF Certified for Sport®", assuring no banned substances. Manufactured in the USA, we use only the highest grade ingredients; including Albion Minerals.

Train Smarter Perform Better Recover Faster


Get a Competitive Advantage

Training Smarter Is the Best Solution

PurAthlete ENDURANCE was developed to maintain the highest level of cellular hydration during exercise and competition to improve the body's tolerance to physical exertion, high heat, and fatigue.

Getting the right combination of minerals and nutrients to muscles is only half the issue. The rate and efficiency of absorption is crucial to maintaining balanced cellular performance. The PurAthlete ENDURANCE formula creates Real-Time BioAvailability. This process provides your muscle cells with more of the critical minerals and nutrients they need at a faster rate. This process maintains optimal hydration, extending your workouts, and improving your performance.

  • Sustained fuel source without stimulants
  • Sustained hydration
  • Increased anaerobic threshold and aerobic output
  • Superior cramp relief
  • Enhances neurological efficiency
  • Mixes easily and tastes great

PurAthlete Utilizes Proven Science Focused On Maximizing Your Training and Performance

Buy Endurance Now!

Get Automatic Reorder and Save 10%

Delivery of Endurance each Month
With PurAthlete® Subscriptions, you can have your favorite supplements delivered to your door every month. The best part? You get 10% off every order. Your products will be delivered on the same day every month, and you can cancel any time.
QTY: {{PC.qty}}


This product is not available.



Mix 1 scoop (provided) of PurAthlete ENDURANCE, (54g), in 6-10 oz. of water or other fluid. Mix well.

Frequency: Matching Your Training Regimen Is Important

Higher training frequencies require more advanced supplement support.

  • For 3 workouts per week use 1 serving pre-workout
  • For 5 or more workouts per week use 1 serving pre-workout and 1 serving post-workout

For optimal performance Mix PurAthlete POWER+ and PurAthlete REGENERATE+ with a standard serving of PurAthlete ENDURANCE, once a day.


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.

PurAthlete Uses The Highest Quality Ingredients Manufactured to Exacting Standards

Proprietary Real-Time Bioavailability™ Formulation (Kosher Non-GMO Whey Protein Hydrolysate Peptide, Maltodextrin, Fructose (for flavor), TRAACS® Magnesium Glycinate Glutamine Chelate, Natural & Artificial Flavor, Citric Acid, Albion® Potassium Glycinate Complex, TRAACS® Magnesium Bisglycinate Chelate, Malic Acid, Sodium Chloride, Soy Lecithin, Vegetable Color (Hibiscus, Carrot), MSM (Methylsulfonylmethane), Organic Stevia Rebaudiana, Ascorbic Acid, TRAACS® Copper Bisglycinate Chelate, Silicon, Beta Carotine (for natural color), Beet Juice Powder, Silicon, TRAACS® Manganese Bisglycinate Chelate.)

Allergen Warnings

Manufactured on equipment that processes products containing milk, eggs, soybeans, wheat, shellfish, fish oil, tree nuts and peanut flavor. Contains milk and soy.

  • Non-Toxic
  • Free of Banned Substances
  • Free of Artificial Colorings and Flavors



Albion®, TRAACS®, and Gold Medallion® are registered trademarks of Balchem Corporation, or it’s subsidiaries. Chelates are covered by U.S. Patent 7,838,042.

Why PurAthlete ENDURANCE Lets You Train Smarter

PurAthlete ENDURANCE is the intelligent supplement choice, formulated to help you train smarter and more effectively. With an advanced combination of patented chelated minerals, amino acids and whey protein, creating immediate absorption, ENDURANCE allows you to maintain nearly continuous cellular hydration through your workouts and events. You will experience less cramping, less fatigue, and higher energy levels from the first time you use ENDURANCE.

PurAthlete Is Manufactured To Exacting Standards Using The Highest Quality Ingredients

PurAthlete is a Gold Medallion Customer of Albion Minerals, an industry innovator in the development, patenting, and manufacture of the highest grade chelated minerals available today.