LEVELEN started in professional team sports, but has found a home with endurance athletes. Do you find yourself continually playing the trial-and-error game when it comes to your hydration and fueling? Do you ever suffer from debilitating muscle cramps during racing? When hydration and electrolyte replenishment can be the difference between a podium finish and a DNF, LEVELEN takes all the guesswork out and dials you into a specific hydration program. How much do you need to drink, how many grams of electrolytes you need, all determined by hydration sports science.

Take a LEVELEN #SweatTest and
take your ENDURANCE to the next LEVEL.


With endurance athletes, we’ve recorded sweat rates of 180mL to 4.80L per hour, and hourly sodium losses from 88 mg to 11,047 mg (a 100+ fold variance). That’s over five times the DAILY recommended intake, EACH HOUR. By maintaining proper fluid and electrolyte balance, endurance athletes can perform better, longer, and minimize heat-related illnesses like muscle cramps.

2016 Ironman World Championship Triathlete, Jana Richtrova, loses 1751 mg of sodium per hour. With a recommended daily allowance of only 1500-2300 mg of sodium per day, Jana can quickly become electrolyte depleted after an intense day of training or ten hours on the course.

Jana is a LEVEL 4 (SIGNIFICANT Electrolyte Loss). What LEVEL are you?

The International Leader in the Science of

Proper Fluid & Electrolyte Balance will ...

Improve Endurance
Increase Power
Eliminate Muscle Cramping
Prevent Salt Depletion & Hyponatremia
Minimize Exertional Heat Stroke

Stop the Hydration Guessing Game

Our Patented, Scientifically-based Athlete Sweat Test determines your specific hydration needs,
so you can finally stop the trial-and-error game when it comes to your hydration.

TAKE YOUR TO THE NEXT LEVEL

HYDRATION SPORTS SCIENCE

HEAT Sport Sciences, Inc. (HSS) is intensely focused on the unmet needs of the serious athlete.  All of our products and services are based on over a decade of research, and rigorously tested and validated at the highest levels of sport to maintain peak athlete performance and to address heat-related illnesses.
HSS is dedicated to developing proven performance-enhancement solutions that are healthy, all-natural & preferred by elite athletes. Our Athlete Sweat Test determines your unique hydration needs, and our LEVELEN™ Electrolyte products assure optimal performance through fluid & electrolyte balance.

We are the leaders in Hydration Sports Science.

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HEAT SPORT SCIENCES, INC.

LEVELEN ™ Electrolyte Mix

LEVELEN™ Electrolyte Drink Mix is the only hydration and electrolyte solution that is formulated to an individual athlete’s specific needs.

LEVELEN™ is a sophisticated approach to electrolyte replenishment, backed by over 10 years of clinical research with professional & collegiate sports teams, and data on over 2,000 athletes.

Our patented system has been rigorously tested and validated at the Pro level to:

  • Prevent and treat fluid and electrolyte imbalances
  • Eliminate exercise-associated muscle cramping (EAMC)
  • Minimize heat-exhaustion and other heat-related illnesses
  • Prevent hyponatremia (EAH)
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