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The Cardio Handbook: Training, Nutrition & More

 

Cardio is more than just exercise — it’s the foundation of stamina, mental clarity, and long-term health. From running and skipping to structured endurance races like Spartan, cardio challenges the body and the mind in unique ways. It trains your heart, your lungs, and even your resilience under stress. But to get the most out of your sessions, you need more than sweat alone — you need strategy, nutrition, and recovery.

This handbook explores every angle of cardiovascular training:

  • How cardio supports mental health and cognitive function

  • Whether cardio interferes with muscle gains (and how to balance both)

  • The science of proper breathing and how it impacts performance

  • Why heart rate zones are key to training smarter, not harder

  • And even why winter wild swimming can supercharge your fitness

While cardio strengthens your systems, it also puts your body under stress. That’s where Flush GBI comes in. By removing the modern toxins that clog cellular function, Flush GBI restores balance in the gut, bowel, and intestines — the very systems that fuel and sustain cardiovascular performance. Athletes who combine their training with GBI often find faster recovery, clearer energy, and greater endurance from the inside out.

Cardio builds the rhythm of your life. Flush GBI helps keep the engine clean so that rhythm stays strong. Together, they create a foundation for peak performance, health, and resilience.