Learn Glossary clinical condition

Relative Energy Deficiency in Sport

Impaired physiological function caused by relative energy deficiency in athletes of any sex.

Also: RED-S

IOC framework expanding beyond the Female Athlete Triad. Consequences include reduced bone health, menstrual disruption, decreased immunity, gastrointestinal problems, cardiovascular and psychological effects, and impaired training response. Diagnosis requires careful energy availability assessment; intervention includes sports dietitian-led increase in intake and treatment of disordered eating.

How one textbook covers it

  • Krause and Mahan's Food and the Nutrition Care Process, 16th ed.Chapter 23

    IOC framework expanding beyond the Female Athlete Triad. Consequences include reduced bone health, menstrual disruption, decreased immunity, gastrointestinal problems, cardiovascular and psychological effects, and impaired training response. Diagnosis requires careful energy availability assessment; intervention includes sports dietitian-led increase in intake and treatment of disordered eating.

Related terms

Disordered Eating, Energy Availability, Female Athlete Triad