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March 13, 2025 • 59 mins

In this episode, Dr. William Davis delves into the fascinating world of L. Reuteri and its impact on skin health, gut and overall well-being. Learn about the potential benefits of this probiotic strain and its connection to gut health.

Topics Covered :

L. Reuteri and its Benefits:

  • Loss in Modern Populations: Dr. William Davis highlights that Lactobacillus reuteri is largely absent in modern people due to antibiotic overuse, unlike in indigenous populations and wild mammals [ 01:16 ].
  • Initial Benefits: Restoration of L. reuteri can lead to youthful musculature, increased oxytocin (enhancing love and affection), improved libido, and better social behavior [ 02:07 ].
  • Skin Health:
    • L. reuteri dramatically increases dermal collagen, reducing wrinkles [ 02:31 ].
    • A clinical trial with 25 women showed a 15% increase in dermal layer thickness using L. reuteri with marine collagen peptides, hyaluronic acid, and astaxanthin [ 03:33 ].
    • Participants experienced more moisture and reduced wrinkle depth [ 05:19 ].
  • Body Composition: The same trial unexpectedly showed significant waist circumference reduction, suggesting a targeting of abdominal fat and restoration of youthful muscle [ 05:31 ].
  • Comparison to GLP-1 Agonists: Dr. Davis contrasts the benefi
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