RED-S Warning Signs and Prevention TL;DR Card - RED-S is an energy mismatch problem, not a willpower problem. - Watch for clusters: fatigue, missed periods, stress injuries, mood shifts, and recurring illness. - Early referral protects long-term bone health and performance. - At 7,100 ft, low fueling can show up faster because energy and hydration demands are higher. What Is RED-S? RED-S = Relative Energy Deficiency in Sport Previously called "Female Athlete Triad," b...

RED-S Warning Signs and Prevention TL;DR Card - RED-S is an energy mismatch problem, not a willpower problem. - Watch for clusters: fatigue, missed periods, stress injuries, mood shifts, and recurring illness. - Early referral protects long-term bone health and performance. - At 7,100 ft, low fueling can show up faster because energy and hydration demands are higher. What Is RED-S? RED-S = Relative Energy Deficiency in Sport Previously called "Female Athlete Triad," b...