In today’s episode of The Proof, we dissect a video featuring Dr. Gabrielle Lyon discussing protein sources and the importance of leucine for muscle building. I break down her claims, compare animal and plant protein sources, and explore the latest research on muscle protein synthesis and long-term health outcomes.

Introduction (00:00)
Dr. Lyon's Argument: Animal vs. Plant Protein (00:17)
Critiquing Dr. Lyon's Protein Source Comparisons (01:14)
Evaluating the Leucine Threshold Hypothesis (03:13)
Plant-Based Protein Sources: A Deeper Look (06:30)
Scientific Studies on Protein and Muscle Growth (15:40)
Conclusion (25:17)

Key Discussion Points:

Dr. Lyon’s Claims
Comparing Protein Sources
The Leucine Threshold Debate
Beyond Muscle Protein Synthesis

Plus, if you watch/listen all the way to the end I share a fun personal story about my 90-year-old grandma who took up walking 10km a day!

Enjoy,

Simon

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Simon Hill, MSc, BSc (Hons)

• Creator of theproof.com

• Host of The Proof with Simon Hill

• Author of The Proof is in the Plants

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Is Animal Protein Really Superior? A Deep Dive into Leucine and Protein Quality ft. Dr Gabrielle Lyon | Simon Hill MSc