Understanding RED-S — Beyond the Female Athlete Triad Key Takeaway RED-S is NOT just the "Female Athlete Triad" renamed. It's a broader syndrome affecting both sexes, impacting nearly every organ system — and it starts with one thing: not eating enough to support training. What Is RED-S? Relative Energy Deficiency in Sport (RED-S) occurs when an athlete's energy intake is insufficient relative to the energy expended in exercise, resulting in Low Energy Availability (LEA)....

Understanding RED-S — Beyond the Female Athlete Triad Key Takeaway RED-S is NOT just the "Female Athlete Triad" renamed. It's a broader syndrome affecting both sexes, impacting nearly every organ system — and it starts with one thing: not eating enough to support training. What Is RED-S? Relative Energy Deficiency in Sport (RED-S) occurs when an athlete's energy intake is insufficient relative to the energy expended in exercise, resulting in Low Energy Availability (LEA)....