Chasing Clarity: Health & Fitness Podcast EP. 93: DR. SCOTT STEVENSON: IS THERE AN UPPER LIMIT TO PROTEIN STIMULATED MUSCLE ANABOLISM? BREAKING DOWN THE RESEARCH ON PROTEIN INTAKE & MUSCLE PROTEIN SYNTHESIS
Jan 19, 2024
Dr. Scott Stevenson, an exercise and nutrition researcher focused on muscle protein synthesis, dives into the latest protein intake research. He discusses the Trommelen et al. study, challenging the myth that there's an upper limit to protein's anabolic effects. Scott clarifies misinterpretations about protein dosing and explains the muscle-full effect. The conversation covers the nuances between whey and whole foods, highlighting how meal timing and distribution can significantly impact muscle growth. Prepare to rethink your protein strategy!
AI Snips
Chapters
Books
Transcript
Episode notes
Muscle Full Effect Is Training‑Dependent
- The 'muscle full' effect (refractory period) can blunt MPS despite elevated blood amino acids, especially in untrained subjects.
- Training reduces this refractory effect and increases sensitivity to amino acids.
Acute MPS ≠ Guaranteed Long‑Term Growth
- Acute increases in MPS do not automatically translate to long‑term muscle growth.
- Longitudinal studies are required to link short‑term MPS changes to real hypertrophy.
Spread Protein Across Meals
- Spread daily protein across multiple meals rather than one bolus to better sustain MPS.
- Aim for even protein distribution to hit per‑meal thresholds and reduce long gaps without stimulation.
