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Hi Endurance Enthusiast, The pursuit of marginal gains in endurance performance often leads athletes toward the pharmaceutical cabinet of evidence-based ergogenic aids. Among the most rigorously studied are caffeine and sodium bicarbonate—two substances that target the physiological limiters of endurance through distinct, yet potentially complementary, pathways. While caffeine operates
Endurance training stimulates angiogenesis, a biological process that generates new microscopic blood vessels around muscle fibers. This adaptation increases capillary density, which significantly reduces the physical distance oxygen must travel to reach the mitochondria where energy is produced. By expanding the surface area available for diffusion, the muscle becomes more
As we continue to evolve The Scientist’s Notebook, I want to thank you for being an essential part of this beta phase. Your readership and engagement have been invaluable in shaping the direction of this project. Based on your initial feedback, I am excited to introduce a new addition
Hi Endurance Enthusiast, Now that we have talked about the long-term aerobic development required to build your engine, we need to address the structural integrity of the chassis before you take it to the redline. Too often, I see athletes invest months in meticulous Zone 2 volume and threshold/Vo2