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Digestive problems during exercise, by Guillaume Klein

by Staff Member on

🚨Digestive problems🚨

During an endurance event, particularly when running or trail running, the digestive system is put under severe strain because repeated impacts cause intestinal damage.
There is also a phenomenon of digestive ischemia, with reduced blood flow to the intestinal system in favor of the muscles.

‼️A striking observation‼️

👉 Inability to eat
👉 Vomiting
👉 Aversion to sweet foods
…
Numerous digestive problems during exercise that participants experience in endurance events; the longer the duration, the more recurrent the problem becomes.

➡️ The consequences:

❌ More fuel = more energy
❌ Declining performance
❌ Giving up running
A problem resulting from failure to follow the principles of “health-focused performance” nutrition.

➡️ 2 key areas to consider:

1️⃣ The foundation of everyday nutrition

It is the nutritional balance of each day that makes it possible to benefit from improved energy efficiency, digestive comfort, recovery and, consequently, optimized performance factors.
👉 What should you eat during the different meals of the day?
👉 What are the nutritional needs?
👉 How can digestion and health factors be optimized?
A healthy lifestyle that supports long-term health—not a “sports diet”—is what lays the foundations for energy and nutrient absorption.

2️⃣ The specifics of sports nutrition

In addition to a well-structured everyday diet, quality sport-specific nutrition helps prevent digestive problems during exercise while optimizing performance.
👉 How should you eat before exercise?
👉 Which energy products are used during training and competitions?
👉 How should you manage nutrition after exercising to promote recovery?
Like training, nutrition is something that must be prepared and tested during dedicated sessions in order to determine the best nutritional strategy to implement during the competition phase.
A specific approach that is part of the ongoing process of maintaining everyday “health performance” nutritional balance.
🔴 Nutrition is only one element of the “performance pyramid” and works synergistically with all the “health performance” factors (appropriate training, quality of sleep, stress and emotion management, etc.) that I use with the “EPIC Method.”

This content was published by our Ambassador Guillaume Klein (Personal Coach, Sports and Health Nutrition Expert / Ultra-Endurance Specialist)

  • Nutriformation graduate, specialized in micronutrition and nutritional therapy
  • Trained in sports nutrition by the Evonutri Academy of Positive Nutrition
  • Ultra-trail coach trained by the Auvergne-Rhône-Alpes Athletics League
  • Dietitian nutritionist for the FC Metz professional team (since 2018)
  • Dietitian nutritionist at the FC Metz training center (since 2019)
  • Creator of the EPIC® method

Passionate about sports and an ultra-endurance athlete in running and ultracycling, Guillaume has been able to test for himself the benefits of a natural, balanced diet suited to his actual needs, as well as of specific, tailored training. Guillaume appreciates high-quality products that meet athletes’ nutritional needs while also offering the most natural composition possible from a health perspective.

Take advantage of his advice too and discover all our products on this website.

If you would like more information or advice, please feel free to contact Guillaume through his website. www.naturenergy.live.

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