What is RED-S?

What is low energy availability and what does it have to do with the Female Athlete Triad and Relative Energy Deficiency in Sport? On this page we break down both the Female Athlete Triad and Relative Energy Deficiency in Sport (RED-S) and the root cause of both of these frameworks, low energy availability (LEA) and the impacts this can have on an athlete’s health, performance, and well-being.

Educational Handouts

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FASTR Instagram Posts

Low Energy Availability, Female Athlete Triad, and RED-S

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  • Low Energy Availability in Elite Female Sprinters
  • Within Day Energy Deficits
  • Immune Function and Underfueling
  • Low Energy Availability and Fasting

FASTR Video: The Female Athlete Triad and RED-S

Blog Posts

Relative Energy Deficiency in Sport

January 24, 2022

Relative Energy Deficiency in Sport

The Female Athlete Triad

January 20, 2022

The Female Athlete Triad

All About Overtraining

August 22, 2022

All About Overtraining

Patience During Puberty

August 9, 2022

Patience During Puberty

Other Resources

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