FEED YOUR PASSION BLOG – myspringenergy

Sports nutrition is not just about fueling muscles.

By Rafal Nazarewicz. Ph.D. Athletes usually think about the gut in practical terms: absorption, tolerance, and bathroom risk on race day. Calories in, watts out. However, physiology reveals a more complex narrative. Your gut is not just a digestive tube. It...

Food and mood: why your gut can shape your mind

Food and mood: why your gut can shape your mind By Rafal Nazarewicz, Ph.D. Human Nutrition 🎧 Food and mood: why your gut can shape your mind sports-science • 15 min Food affects mood because it changes the signals your...

The Metabolic Effects of Caffeine (and why they may feel so personal)

By Rafal Nazarewicz PhD Caffeine is famous for alertness, but its most interesting story is metabolic: it changes how your body signals fatigue, mobilizes fuel, and spends energy. After you drink it, caffeine is absorbed and then mostly metabolized in...

Why Your Gut Microbiome Needs a "Rest Time": The Physiology of Periodized Nutrition

By Rafal Nazarewicz, PhD, Nutrition We obsess over periodizing our training, alternating intense stress with deep recovery to drive adaptation, yet we fail to apply this same logic to our metabolism. There is a fundamental disconnect: we treat food purely...

Can a new pill fix our gut problems? Are postbiotics a new opportunity or just a bad shortcut?

🎧 Can a new pill fix our gut problems sports-science • 15 min Postbiotics are a sign of how far microbiome research has come, and they may well find specific, useful roles for athletes. But they are not a free...