In the grand finale of the single nutrient series on B vitamins, Amy and Nikki dive deep into cobalamin (Vitamin B12). They discuss interesting facts about B12, its distinct status as the only vitamin containing a mineral, and how it's the largest of the B vitamins. The conversation covers various aspects such as its functions in energy metabolism, neurological health, and oxygen delivery. They explore the importance of B12 in mental health, cognition, and anemia prevention. The hosts also address potential causes and risk factors for B12 deficiency, including inadequate intake in vegetarians and vegans, low stomach acid, medical conditions like Crohn's disease and celiac disease, and the impact of certain medications. They shed light on symptoms of deficiency, potential complications with elevated serum B12 without supplementation, and ways to ensure adequate B12 levels through diet and supplements. The episode is packed with practical advice, professional insights, and a touch of humor, making it a comprehensive guide on Vitamin B12.

00:00 Introduction to Vitamin B12
01:09 Importance of Vitamin B12
02:40 Symptoms of B12 Deficiency
03:32 B12 and Energy Metabolism
08:27 Homocysteine and B12
11:20 B12 Absorption Issues
15:56 B12 for Vegans and Vegetarians
23:21 Gastritis and B12 Absorption
31:14 Understanding B12 Deficiency Causes
32:31 SIBO and B12 Deficiency: A Historical Perspective
33:25 Modern SIBO Diagnosis and Misconceptions
35:29 Reframing SIBO as Small Intestinal Microbial Dysbiosis (SIMD)
39:59 Elevated B12 Levels Without Supplementation
45:16 Potential Serious Conditions Linked to High B12
49:12 Summary and Key Takeaways on B12
57:04 Preview of the Next Nutrient: Vitamin C

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Nikki's Info:
- Youtube Channel: https://www.youtube.com/c/TriangleHolisticGutHealth
- Instagram: @Gut.Microbiome.Queen
- FODMAP Freedom in 90 Days: https://www.fodmapfreedom.com/enroll
- Private Appts: https://infinityholistichealth.com/

Amy's Info:
- Practice: https://sibodiaries.com/
- Instagram: @Amy_Hollenkamp_RD