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Nutrition

Carbohydrate Availability in RED-S

Carbohydrate availability in RED-S requires enough daily and session carbs to support hormones and glycogen—not chronic low-carb training on high load.

Carbohydrate availability in RED-S means muscle and liver glycogen plus daily carb intake support both sessions and hormonal health—chronic low carb on high load suppresses thyroid signaling and period regularity. Fear of carbs in physique or endurance culture drives many cases.

Restore grains, fruit, and session fuel before micro-optimizing fat burn.

Common questions

  • Can low-carb work for any competitive athlete?

    Some experiment short term, but chronic low carb with high volume commonly worsens RED-S risk. If periods slip or bones hurt, prioritize carb adequacy over trend diets.

Related guide

Low FODMAP Starter Guide: Elimination, Safe Foods, and Reintroduction →

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