#257 Personalized Nutrition, RNA vs DNA & The Future of Microbiome Testing | Momo Vuyisich @Viome

RNA microbiome testing reveals what DNA gut tests fundamentally miss. Your gut bacteria have 3,000+ genes each — DNA tests see zero of their actual activity. Dr. Momchilo (Momo) Vuyisich, Co-founder & CSO of Viome and former Los Alamos National Laboratory scientist, explains why RNA-based metatranscriptomics is a quantum leap over DNA sequencing for understanding your microbiome and personalizing nutrition.

Meet our guest

Dr. Momo Vuyisich spent 12 years at Los Alamos National Laboratory developing RNA-based technology for digitizing human biology. He co-founded Viome in 2016 with Naveen Jain, and the platform has since tested 500,000+ customers across 100+ countries. His personal journey with NEU5GC autoimmune sensitivity drove his mission to replace opinion-based nutrition with data-driven, personalized recommendations.

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Key takeaways

• DNA microbiome tests show composition only — RNA tests reveal which of 3,000+ bacterial genes are actually active
• 16S rRNA sequencing cannot distinguish pathogenic bacteria from beneficial ones
• Akkermansia can protect or destroy your gut lining depending on fiber intake and gene expression
• Carnitine supplements may cause cardiovascular disease via the TMAO pathway in certain people
• Viome's biological aging clock shows keto and paleo dieters age faster on average
• No whole food is universally good or bad — personalization requires your own molecular data
• The gut microbiome stays stable for 5-6 months; test semi-annually
• Viome currently measures 25,000 of ~100,000 biochemical reactions powering the body
• Three randomized controlled trials validate Viome's personalized nutrition approach

Episode highlights

00:00 Introduction

02:44 Why RNA is the single best molecule to study

06:16 RNA instability — why it took 6 years to develop

08:02 Why 16S sequencing is nearly useless

11:02 Akkermansia's 3,000 genes: help or harm?

17:37 Microbiome as a dynamic self-adjusting ecosystem

23:20 NEU5GC sensitivity & mammalian food reactions

25:50 Food sensitivities (IgG) vs allergies (IgE)

29:55 Viome's 3-part approach: seal gut, reduce inflammation, personalize

41:07 Biological aging clock: keto & paleo age faster

49:13 Dry fasting crashed mitochondrial function score

52:07 Machine learning identifies metabolic bottlenecks

1:00:23 Viome measures 25% of human biology, 10% actionable

Links

• Watch it on YouTube: https://youtu.be/bB8Zj_9pIv8 
• Full episode show notes: https://outliyr.com/257 

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