LEVELEN started in professional team sports in the Philadelphia area, and now work with elite teams and athletes in pro and collegiate football, hockey, basketball, soccer, and lacrosse. With Hydration Sports Science, we are able to keep these athletes performing at their peak and dominating the competition.

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


With team sports athletes, we’ve recorded sweat rates of 180mL to 6.70L per hour, and hourly sodium losses from 146 mg to 13,983 mg (a 100-fold variance). That’s over SEVEN 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.

All Pro Defensive End, Trent Cole, loses over 5500 mg of sodium per hour. With a recommended daily allowance of only 1500-2300 mg of sodium per day, Trent can quickly become electrolyte depleted after an intense day of training, which previously resulted in debilitating muscle cramps. LEVELEN eliminated Trent’s cramping problem, and keeps him competing on the field.

Trent is a LEVEL 5 (SEVERE 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 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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