Nutrition
Low Energy Availability Threshold
Low energy availability threshold is the fuel left for health after training cost—chronic shortfall harms hormones and bones even without visible weight loss.
Low energy availability threshold describes dietary energy left for health after exercise cost—research often cites roughly thirty kilocalories per kilogram fat-free mass per day as a risk zone, with individual variation. Falling below it chronically suppresses hormones, bone remodeling, and adaptation even at stable weight.
Athletes need adequate carbs, protein, and rest—not smaller plates alone.
Common questions
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Do you need to calculate energy availability daily?
Precise math helps clinicians; athletes can start with regular meals, adequate carbs around training, and stable periods or libido. Escalate to dietitian support if symptoms persist despite apparent enough calories.
Related terms
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