Sports nutritionist Siân Seccombe joins us to unpack how Relative Energy Deficiency in Sport (RED-S) can impact both health and performance. We talk about the different signs to look out for in female and male athletes, why under-fuelling is more common than you think, and how to make sure your training isn’t doing more harm than good.

Siân also shares practical advice on fuelling smarter, what to do if you’re seeing signs of RED-S, and how to reverse the impact of a period of under fuelling.

Follow Siân: @siansecc

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