What Happens to Macros (Carbs, Fats, and Protein) Inside Your Body? | Ep 290

Join the Wits & Weights Facebook group where this question originated and connect with like-minded people who are focused on evidence-based nutrition and training. Click here to join -- If you've been told that "a calorie is just a calorie" or that certain macros are "good" or "bad," you're missing the fascinating biological reality of how your body processes different foods. Learn the surprising truth about what happens to each macronutrient inside your body, including why carbs don't easily convert to body fat, how fats support crucial hormones, and what makes protein so special for body composition. Main Takeaways: Your body processes each macro through completely different pathways with unique effects on energy, hormones, and body composition Fears about carbs are completely misplaced once you understand what actually happens after digestion Fat metabolism reveals why certain dietary recommendations of the past were fundamentally flawed Understanding protein's unique properties explains why it's so powerful for physique transformation beyond just building muscle The concept of metabolic flexibility changes everything about how you should approach your nutrition strategy Timestamps: 0:01 - Why simplified views of macros miss the biological reality 3:28 - Carbohydrates: from mouth to bloodstream and beyond 9:31 - Fats: the misunderstood macro and its critical functions 15:24 - Protein: the structural macro that burns calories during digestion 21:29 - Practical implications for meal composition and timing 27:40 - The surprising truth about metabolic flexibility 30:32 - Key takeaways and why balanced nutrition works best Support the show 📱 Get Fitness Lab - Philip’s science-based AI app for fat loss, muscle building, and strength training for people over 40. It adapts to your nutrition, recovery, and training to improve body composition without guesswork. 🎓 Try Physique University - Evidence-based nutrition coaching and strength training to help you lose fat, build muscle, and master your metabolism with support and accountability (free custom nutrition plan with code FREEPLAN ). 👥 Join our Facebook community - Free fat loss, muscle building, and body recomposition strategies for adults over 40 who want practical, science-backed fitness guidance. 👋 Ask a question or find Philip Pape on Instagram