How much protein do we really need? And is resistance training more important than we thought? In this episode of The Ty Beal Show, Stuart Phillips, PhD, renowned expert in muscle health and aging at McMaster University, breaks down the science of muscle preservation across the lifespan.

Stuart shares his evolving perspective on protein's role in building and maintaining muscle, explaining why exercise is the true driver of muscle development—and why the current Recommended Dietary Allowance may be setting the bar too low. We discuss optimal protein intake for different life stages, the nuances of plant-based versus animal-based proteins, and why strength training matters far more for longevity than most people realize.

Highlights from the episode include:

Why exercise, not protein alone, is the key to preserving muscle as we age
The difference between strength and power—and why power matters most for preventing falls and maintaining independence
Evidence-based resistance training: what works and how much time you really need to invest
The RDA for protein versus optimal intake—and why the distinction matters globally
Protein requirements across life stages: pregnancy, childhood, older adulthood
Plant-based versus animal-based proteins: separating science from ideology
Safe protein intake ranges for longevity and health
What older adults should prioritize to maintain muscle and function

Dr. Phillips brings a refreshingly balanced perspective grounded in decades of rigorous research—pushing back against both protein minimalism and protein extremism to reveal what the evidence says.

Find Dr. Stuart Phillips at McMaster University. Connect with him on X, Instagram, and LinkedIn.

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