Diversity and Species Composition: Factors for a Healthy Gut Microbiome

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Diversity is crucial in ecosystems, including the gut microbiome, as it provides strength and resilience. A healthy gut microbiome has a high diversity of species, with a balance between beneficial and anti-inflammatory microbes. Examples of such beneficial microbes include lactobacillus, bifidobacterium, fecal bactarium, prosonidci, and ekromancia. The number of species in a person's gut varies, but it is typically estimated to be between 300 to 1000 unique species. This diversity can differ substantially between individuals even if they are identical twins with the same genetic code.

Episode #271. Have you ever wondered just how much of an effect antibiotics have on your health? Gastroenterologist and gut health expert Dr Will Bulsiewicz returns to the show in this episode, breaking down how antibiotics impact our microbiome and the steps you can take to protect and restore your gut health before, during, and after taking them.

Specifically, we discuss:

Intro (00:00)
What are antibiotics? (03:01)
Efficacy, prescription, and 'antibiotic scar' (08:26)
The healthy gut microbiome (15:58)
Effects of antibiotics to gut the microbiome (21:32)
Clostridioides difficile (28:30)
Do you really need antibiotics? (31:04)
High-fibre diet (39:44)
Sprouts, lentils, and fermented foods (43:25)
Prebiotics and prebiotic supplements (46:30)
Probiotics and microbiome recovery after antibiotics (58:06)
Who may benefit from taking probiotics? (1:05:00)
Foods to limit to avoid dysbiosis (1:07:45)
Why do antibiotics cause yeast infections? Do probiotics help? (1:09:35)
Antibiotics and small intestinal bacterial overgrowth (SIBO) (1:11:04)
Lifestyle changes to boost microbiome recovery after taking antibiotics (1:13:49)
Outro (1:18:56)

Connect with Dr Will Bulsiewicz on Instagram, Facebook, Twitter, and TikTok. Discover more resources and Dr B’s books on his website, theplantfedgut.com, and learn more about supplementation at 38tera.com. Listen to Dr B’s past appearances on The Proof here.

My team and I have also put together a PDF of resources for this episode, helping you better understand the science behind this conversation. Download it at theproof.com/drb.

Optimise your health with InsideTracker’s biomarker analysis. Get exclusive access to InsideTracker’s new ApoB test, and a significant discount at insidetracker.com/simon.

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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