Research

Energy balance

Low Energy Availability (LEA) causes Relative Energy Deficiency in Sport (RED-S), leading to impaired performance, poor bone health, and increased injury risk in both male and female athletes.

Ensure your daily food intake covers both your training energy expenditure and your body's basic health needs. If you are losing weight unintentionally, feeling fatigued, or getting injured often, you may have Low Energy Availability. Consult a sports dietitian to increase energy availability.

StrongSupportsVERY_HIGH confidence
Low energy availability (LEA) underpins the Female Athlete Triad syndrome, but new insights over the last decade have identified its occurrence in male Athletes and its impact on a range of body systems and performance factors, beyond bone and menstrual health. Thus, the concept of relative energy deficiency in sport was developed to address this expanded range of concerns...
Louise M. Burke et al. · International Journal of Sport Nutrition and Exercise Metabolism · 2019

Why this rating

Consensus statement based on extensive review of health and performance impacts.

Source

International Association of Athletics Federations Consensus Statement 2019: Nutrition for Athletics

Louise M. Burke et al. · International Journal of Sport Nutrition and Exercise Metabolism · 2019

DOI 10.1123/ijsnem.2019-0065

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DOI resolved against Crossref · corpus check 2026-06-10

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