The Hotseat with Ste Winrow, Performance Nutrionist - Jan 2026

What's in this episode

Send us Fan Mail This month's Hot Seat features repeat guest Steve Winrow of Winrow Performance, answering nutrition questions from our coaching athletes. Steve is a sports nutritionist with a background in exercise physiology, working with everyone from recreational runners to professional tennis players. He's also one of Nick's current athletes, training for a sub-3 Manchester Marathon. Topics Covered Overmarketed Nutrition Trends Steve calls out three: low-carb/keto diets (no benefit for endurance performance — the "godfather" keto study was based on just five athletes), fasting protocols (overstated benefits largely based on rodent studies), and the gut health/probiotics craze (not harmful, but a well-balanced diet does the heavy lifting). Intermittent Fasting & Autophagy The autophagy argument doesn't hold up. Hard endurance training is already a far stronger stimulus for cell repair than fasting. Withholding fuel post-training just impairs glycogen replenishment and increases inflammation. Fasting can work for calorie control — but it doesn't do anything metabolically "fancy." Appetite Hormones: Ghrelin & Leptin Ghrelin drives short-term hunger (rises before meals, drops afte