When Do Your Muscles Start Responding After You Eat a Protein-Rich Meal?

By How Things Work 001

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You just finished a protein-rich dinner like a steak or chicken breast. You might assume those nutrients immediately rush to your biceps and legs to start building muscle. But inside your body, the biological reality is much slower—and much more complicated. In this episode of Inside the Body, we track exactly what happens minute-by-minute after you eat protein. As we age into our 40s, 50s, and 60s, a biological shift called "anabolic resistance" makes our muscles slightly "deaf" to the protein we eat, leading to quiet, steady muscle loss if we don't adapt our habits. We will explore: • The 90-Minute Delay: Why it takes over an hour for stomach acid, enzymes, and your liver to process protein before it ever reaches your muscles. • The "Muscle Full" Effect: Why eating 80 grams of protein in one massive dinner is a biological waste—and what your liver does with the surplus. • The Leucine Trigger: The specific amino acid needed to wake up the mTOR pathway and reverse muscle breakdow

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