THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “Vitamin B12 — lab reference”

A RELATED COURSEMethylation & B vitamins

4 chapters, at your pace

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867 resources for your curiosity104 matching listings grouped; alternative sources stay available.

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YouTubeJan 5, 2026

Vitamin K - Why Do I Need It?

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Do you struggle with osteoporosis or bleeding disorders? Learn why Vitamin K is critical to bone density and prevention of osteoporosis. Discover the relationship of Vitamin K deficiency and bleeding disorders such as borderline hemophilia, joint bleeding disorders, haemarthrosis (bleeding into joint spaces), and how Vitamin K is critical for proper clotting. Explore why Vitamin K2 is essential, and why a combination of fat-soluble Vitamins A, D, and K should be taken together. Learn about contraindication of Vitamin K for patients taking blood thinners. Contact us at (801) 796-7667 or info@da

YouTubeJan 5, 2026

What You Don't Know About Vitamin D3 Deficiency

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Dr. Purser explains how this deficiency may contribute to new onset of Type 1 diabetes, and how it relates to insulin receptors. Explore other symptoms of this deficiency such as osteoporosis, fatigue, and pallor. Discover how serum and intracellular laboratory testing reveals Vitamin D3 deficiency. Learn how Vitamin D2 is converted to Vitamin D3 in sunlight. Contact us at (801) 796-7667 or info@danpursermd.com for help. Check back often for the newest updates!

InstagramNov 20, 2025

Common nutrient deficiencies linked to fibro often include copper, zinc, glutathione, B6, glutamine, B12, folate,…

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Common nutrient deficiencies linked to fibro often include copper, zinc, glutathione, B6, glutamine, B12, folate, molybdenum, and boron. When it comes to muscle cramping and fibro, magnesium is one of the most frequent deficiencies seen, of

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InstagramNov 18, 2025

Menopause weight loss isn’t magic—it’s metabolism. Optimizing thyroid levels, correcting vitamin deficiencies, and…

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Menopause weight loss isn’t magic—it’s metabolism. Optimizing thyroid levels, correcting vitamin deficiencies, and building strength through consistent exercise can dramatically reduce inflammation and support healthy hormones. Start with t

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InstagramNov 16, 2025

The top five intracellular deficiencies linked to chronic migraines: boron, molybdenum, zinc, B12, and glutathione.…

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The top five intracellular deficiencies linked to chronic migraines: boron, molybdenum, zinc, B12, and glutathione. Many cases may actually be copper toxicity showing up as daily migraines. A low-copper approach and the right glutathione ca

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InstagramNov 16, 2025

How long does synthetic B12 really stay in your system? Most B12 tests can’t even tell which form you’re taking.…

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How long does synthetic B12 really stay in your system? Most B12 tests can’t even tell which form you’re taking. Stop wasting money on tests that don’t measure the right B12, and start getting straight to the root of your problem.

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InstagramOct 30, 2025

Yes—your genetics can directly cause vitamin deficiencies. Certain SNPs lower your body’s ability to process or make…

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Yes—your genetics can directly cause vitamin deficiencies. Certain SNPs lower your body’s ability to process or make key nutrients, like MTHFR reducing folate use, PEMT lowering phosphatidylcholine production for gut and liver health, and S

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YouTubeOct 30, 2025

Ge Gene SNPs Cause Vitamin Deficiencies?

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Yes—your genetics can directly cause vitamin deficiencies. Certain SNPs lower your body’s ability to process or make key nutrients, like MTHFR reducing folate use, PEMT lowering phosphatidylcholine production for gut and liver health, and SOD decreasing antioxidant defenses against free radicals. These deficiencies drive inflammation, fatigue, and chronic illness, but with the right genetic and intracellular testing, you can target them and supplement with the exact forms your body needs Info: http://www.DanPurserMD.com Supplements: https://www.PhysicianDesigned.com Books: https://www.amazon.com/-/e/B00BIKSGVQ Facebook: https://www.facebook.com/danpursermd Facebook: https://www.facebook.com/PhysicianDesigned Twitter: https://twitter.com/realdanpursermd YouTube: https://www.youtube.com/danpursermd Instagram: https://www.instagram.com/danpurser.md Pinterest: https://www.pinterest.com/danpursermd

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