Episode 7: For the Love of Guts part 2 - How to Support the Microbiome for Better Mental Health

Are We Supporting Our Gut… or Just Chasing Trends?

If you’ve been online lately, you’ve probably seen someone “fibermaxxing.” Or maybe been told the answer to your mental health struggles is all in a single probiotic supplement.

But here’s the real question: Are we actually improving our gut health or are we just reacting to hype?

In this episode of Bite of Mind, we break down what prebiotics and probiotics really are, how they influence the gut–brain connection, and what the research actually says about fiber, probiotics, and microbial diversity. Because here’s the thing: supporting your microbiome doesn’t require an extreme overhaul. And it definitely doesn’t require expensive specialty products. If you missed part 1 where we explore the connection between the microbiome and depression, check it out here.

We talk about:

• Why not all fiber is a prebiotic

• What the evidence says about fermentable fibers and mood

• The truth about trendy “gut health” products

• When probiotic supplements might make sense and when they probably don’t

• How to increase fiber without wrecking your stomach (or your life)

Time Stamps:

00:00 Intro

02:22 What the heck is a pre-biotic and how does it differ from a pro-biotic?

04:02 Is fiber a prebiotic? And fiber categories

08:38 Fibermaxxing, online trends, side effects of too much too quick, and IBS

16:13 Research on FOS supplementation 

23:20 Back to fibermaxxing and online trends

26:40 How to support our microbiome without overhauling our lives.

35:07 Probiotics, supplements, and do they actually work?

48:58 Dietitian rant (for a minute) - Why is everything always so extreme??

50:20 Closing thoughts and summary

Research:

1. NIH survey https://www.nccih.nih.gov/health/statistics-from-the-national-health-interview-survey

2. FOS systematic review and meta-analysis https://pmc.ncbi.nlm.nih.gov/articles/PMC9413759/

3. Articles on Bifidobacterium and Major Depression:

   1. https://www.sciencedirect.com/science/article/abs/pii/S0889159121006267

   2. https://www.sciencedirect.com/science/article/abs/pii/S0165032718313600

   3. https://www.gastrojournal.org/article/S0016-5085%2817%2935557-9/fulltext

4. Probiotics and Major Depression - randomized controlled trial

   1. https://www.nature.com/articles/s41398-022-01977-z

   2. https://pubmed.ncbi.nlm.nih.gov/21229254/

5. Prebiotics and Depression - mice models https://www.biologicalpsychiatryjournal.com/article/S0006-3223%2817%2930042-2/abstract

Disclaimer:

This podcast is for educational and informational purposes only and is not a substitute for medical advice, diagnosis, or treatment. Listening does not establish a provider–patient relationship. Always consult a qualified healthcare professional for personalized guidance