Heart Doc VIP with Dr. Joel Kahn Episode 430: Are Vegans Getting Enough Protein? A New Look at Leucine, Lysine, and More
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Apr 25, 2025 A new study explores whether vegans are getting enough leucine and lysine, with no health issues found in participants. Dr. Kahn highlights top plant-based sources like beans and quinoa while addressing the ongoing protein debate. He also shares insights from recent studies on KETO-CT, the benefits of adding more fruits and veggies to diets, and vitamin D's role in cancer prevention. Plus, discover how both vegan and omnivorous diets can support muscle protein synthesis.
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Vegans May Lack Certain Amino Acids
- Some New Zealand vegans meet enough total protein but may lack essential amino acids leucine and lysine.
- Eating enough legumes and soy products can cover these amino acids adequately.
Eat Legumes and Soy Foods
- Eat plenty of beans, peas, lentils, and soy foods like tofu, edamame, and tempeh for complete amino acid profiles.
- These plant sources ensure adequate protein quality and help avoid potential deficiencies.
More Protein Isn't Always Better
- The common belief that more protein is always better is not supported by experts.
- Current USDA protein guidelines adequately prevent deficiency except in special groups like athletes or some elderly.
