Sports scientist, personal trainer and health coach Timo Tekolf talks about a topic that affects many ambitious men without them even realizing it: RED-S, Relative Energy Deficiency in Sport. What happens when training, stress and everyday life demand more energy than the body receives? In this episode, you will learn why chronic calorie deficit not only reduces performance, but can also massively affect hormones, regeneration, the immune system and bone health.
Topics of this episode:
- RED-S explained: When the body consistently receives too little energy
- Why men are also affected – not just female competitive athletes
- Low testosterone, loss of libido & fatigue: Correctly interpreting warning signs
- Hyrox, CrossFit & Hybrid Training: Why modern sports trends increase the risk
- Calorie tracking, blood values & self-analysis: How to identify an energy deficit
- Why eating more is sometimes the key to better performance
If you train a lot but feel tired, listless or hormonally imbalanced, you should definitely listen to this episode!



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