SNP5: Prof. Stuart Phillips - Ask Me Anything! [Preview]

SNP5: Prof. Stuart Phillips - Ask Me Anything! [Preview]

Author: Danny Lennon June 13, 2022 Duration: 17:49
Sigma Nutrition Radio
HealthHealth & FitnessFitnessNutrition

This is an "ask me anything" (AMA) episode, with Prof. Stuart Phillips of McMaster University. Prof. Phillips takes questions on protein intake, sources, muscle function, and healthy ageing.

To listen to the full AMA, click here to subscribe to Sigma Nutrition Premium.

Questions answered:

 

  • [04.28] What is muscle protein balance?
  • [05.32] Why is the focus always on muscle protein synthesis?
  • [07.14] Is MPS a good proxy measure for outcomes we care about (e.g. muscle growth/repair)?
  • [10.37] What's the difference between 'whole body protein synthesis' and 'muscle protein synthesis'?
  • [12.57] We're starting to see commercially available whey that has been produced by bacteria engineered to synthesize whey protein directly from nutritional substrate. It seems like we should expect this to have directly comparable effects given the identical molecular structure. Is there any reason to think this bacterially synthesized whey will have any different effects that whey from dairy?
  • [15.50] Does the literature still show that an additional dose of plant-derived protein is required to equate a similar response from animal protein?
  • [26.39] During post-exercise conditions does protein ingestion stimulate MPS for longer than the usual 2-3 hour period reported in rested conditions?
  • [27.49] Considering the growing interest in fasting protocols (both TRF and longer fasting protocols) - what would you recommend in these circumstances for the preservation / growth of muscle mass. Would it differ between IF/TRF and longer (1-3 day) fasts?
  • [34.58] Is it a waste to take too much protein powder at once because some of it won't get absorbed?
  • [42.50] Does protein powder lose some of its quality if boiling water is added due to protein denaturation?
  • [47.05] Would you please share your opinion about how you evaluate protein status in the body?
  • [50.51] I am now over 60 and lift heavy twice a week. What would be a reasonable body fat % for me to aspire to and how much daily protein should I be targetting in my diet?

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Sigma Nutrition Radio, hosted by nutrition scientist Danny Lennon, moves beyond the noise of diet trends and simplistic advice to explore the complex, fascinating world of human nutrition. This is a space for deep, evidence-based conversations that acknowledge the nuance and often contradictory nature of scientific research. Each episode delves into a specific topic within health, fitness, or dietetics, breaking down the underlying physiology, examining the latest studies, and discussing practical implications with expert guests. The goal isn't to hand out rigid meal plans but to cultivate the critical thinking skills necessary to navigate the ever-changing landscape of nutritional science. You'll hear detailed analyses of how research is conducted, thoughtful debates on contentious issues, and explorations of how evidence translates-or doesn't-into real-world recommendations for different individuals. Tuning into this podcast means committing to a more sophisticated understanding of how food, movement, and metabolism interact, leaving you better equipped to make informed decisions about your own health and skepticism towards the next big headline. Danny’s approach is both rigorous and accessible, making even the most detailed biochemical pathways relevant to everyday life. It’s for anyone who has ever wondered about the real story behind a nutrition claim and values substance over soundbites.
Author: Language: English Episodes: 620

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