252. Stronger for Longer: Dr. Donald Layman's Secrets to Bone and Muscle Health
Oct 23, 2023
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Renowned expert Dr. Donald Layman discusses the benefits of protein for kidneys, muscle development, and weight loss. He debunks myths about high-protein diets and explains the importance of distributing calories and protein throughout the day. The podcast also explores the impact of soda consumption and the advantages of protein shakes over steak for muscle protein synthesis.
Protein and resistance training are crucial for overall health and should be prioritized, especially as we age.
Higher protein diets do not harm the kidneys in healthy individuals and can actually benefit kidney health within acceptable intake levels.
Animal proteins have a superior amino acid profile compared to plant proteins, making them a more efficient source of essential amino acids for optimal health.
Deep dives
Importance of Protein and Resistance Training for Longevity
Protein and resistance training play crucial roles in overall health, especially as we age. Protein provides satiety, aids in weight management, and helps maintain muscle mass. Resistance training helps build and strengthen muscles, which is essential for metabolic health, insulin sensitivity, and mobility. To support longevity, it is recommended to consume sufficient protein, preferably animal-based, at each meal. Resistance training should be done at least two to three times per week, focusing on both stretching and weight-bearing exercises.
Protein and Kidney Health
Contrary to popular belief, higher protein diets do not harm the kidneys in healthy individuals. The kidney adapts to increased protein intake and functions efficiently. However, extreme protein consumption levels have not been thoroughly studied. For the average person, protein intake within the acceptable range is safe and, in fact, beneficial for kidney health. Protein also helps with appetite control and thermogenesis, supporting weight management and overall health.
Protein Quality and Plant-Based Proteins
Animal proteins contain more essential amino acids than plant proteins, making them superior in terms of amino acid profile. Plant proteins are often deficient in essential amino acids like lysine, methionine, and leucine. To meet the same amino acid needs, more plant protein must be consumed compared to animal protein. Plant-based alternatives, like soy or oat milk, lack the protein quality of animal-based sources. Understanding protein quality is crucial, especially for those pursuing vegetarian or plant-based diets.
The Importance of Amino Acids in Protein
Protein is composed of amino acids. Different amino acids have various roles in the body, including muscle protein synthesis, metabolic regulation, and overall health. It is essential to focus on amino acids when considering protein intake. Consuming a variety of amino acids, particularly essential amino acids like leucine, is crucial for optimal health. Amino acid balance and sufficiency should guide dietary choices.
Recommendations for Protein Intake and Timing
Protein intake should start early in the day, especially for individuals over 30 years old. Aim for at least 40 grams of protein per meal to ensure adequate amino acid absorption and muscle protein synthesis. Ideally, distribute protein intake across three meals, or at least two, throughout the day. Time-restricted eating or fasting for prolonged periods can hinder muscle health. For optimal results, combine sufficient protein intake with resistance training and stretching exercises two to three times per week.
Support your health journey with our private practice! Explore comprehensive lab testing, functional assessments, and expert guidance for your wellness journey. Find exclusive offers for podcast listeners at nutritionwithjudy.com/podcast. _____ In this episode, we have the privilege of sitting down with Dr. Donald K. Layman, a renowned expert in the field of dietary protein and amino acids. Dr. Layman is a professor Emeritus in the Department of Food Science and Human Nutrition at the University of Illinois at Urbana-Champaign. He's internationally recognized for his extensive research on muscle development, metabolic regulation for conditions like obesity, diabetes, and cardiovascular disease, and is a sought-after keynote speaker.
**DISCLAIMER: I am only here to provide support as a nutritional therapy practitioner and I am not providing medical advice. I always recommend working with a team of holistic practitioners, including your PCP and a certified nutritional therapy practitioner. Do not self-diagnose. Always seek medical guidance when you have a medical condition.