Is There a Difference Between Animal and Plant Proteins?

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The amount of protein that someone needs for optimal health can change depending on the percentage of animal and plant proteins in their diet. People are eating high enough quantities of protein all the time that they're getting enough of all the amino acids. Every single day, they're breaking down the extra amino acids they didn't need and they're converting it to carbs and fats. And so just tell you how much carb could you store if you ate more carb than you needed for the day? Oh, very limited, like enough to run a marathon and not even quite that. You'd store it in your skeletal muscle and you're in a liver, but it only be about a kilo.

In Episode #228, I sit down with Dr Stuart Phillips and Dr Christopher Gardner for a discourse on how much protein we really need. We discuss nitrogen balance, lack of protein vs lack of exercise, and protein restriction. We also cover protein quality, satiety, and environmental considerations. Recommended daily intake (RDA) is a key factor in this conversation, with discussion points including its definition, the studies used to inform it, and whether you should eat above it.

There is ongoing conversation about protein requirements across all eating patterns, with this contentious topic often sparking debate on social media. With protein regularly used as a marketing tool or to push an agenda, many online sources are diluted and separated from the evidence. Dr Gardner and Dr Phillips – both from different fields – have recently taken varying stances on protein, engaging in a Twitter dialogue. In this episode, we bring both of their informed perspectives to the table, and ask: how much do their opinions really differ?

Specifically, we discuss:

Intro (0:00)
Analyzing the RDA for Protein (3:13)
What is Optimal? (17:36)
Dr. Gardner’s Approach to Protein (22:25)
Aging & Muscle Preservation (33:38)
How much is TOO much? (38:32)
Plant Protein (44:21)
Environmental Concerns (56:54)
Satiety (1:01:52)
Outro (1:07:24)

You can connect with Dr Christopher Gardner on Twitter. Learn more about Dr Stuart Phillips on his faculty page, and connect with him on Instagram, Twitter, and Facebook. Head to theproof.com/podcast for the full show notes.

Enjoy, friends.

Simon

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Simon Hill, Msc, Bsc (Hons)

Creator of Theproof.com and host of The Proof with Simon Hill

Author of The Proof is in the Plants

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