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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InstagramMay 7, 2025

Feeling exhausted and super sensitive to supplements? 😩 You might think it’s adrenal fatigue, but in many cases,…

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Feeling exhausted and super sensitive to supplements? 😩 You might think it’s adrenal fatigue, but in many cases, it’s actually due to vitamin deficiencies—especially in those with MTHFR or FOLR2 gene mutations. These genetic variants can im

InstagramApr 8, 2025

If you’re dealing with POTS (Postural Orthostatic Tachycardia Syndrome) and constantly feeling dizzy, lightheaded,…

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If you’re dealing with POTS (Postural Orthostatic Tachycardia Syndrome) and constantly feeling dizzy, lightheaded, or weak, it could be more than just your nervous system—it might be intracellular vitamin deficiencies. The top five we see a

InstagramOct 5, 2024

If you’re struggling with anxiety, there could be treatable causes that don’t involve medication. Often, anxiety…

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If you’re struggling with anxiety, there could be treatable causes that don’t involve medication. Often, anxiety stems from genetic issues or vitamin deficiencies that can be addressed with targeted supplements. For example: MTHFR gene va

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Health BlogFeb 18, 2022

The Unfulfilled Promise of Glutathione

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Glutathione is not only an antioxidant it is one of only a few SUPER ANTIOXIDANTS another other one being superoxide dismutase, or SOD. What does it mean to be a super antioxidant? Vitamin C, the best known antioxidant, obviously helps with colds and other viral illnesses but in theory, reduced glutathione, the form we can use in our body, is a MILLION TIMES more potent! A million times more effective! It should be but so far has not been. WHY? And what is glutathione? Why is it supposed to be such an amazing vitamin? Well, it’s not really a vitamin as we know it, nor is it a hormone but somet

Nutrient referenceSep 23, 2026

Iron

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…rting replacement. Putting the pieces together The genetics reference also discusses HFE in relation to iron handling. A current blood count, ferritin and other clinician-selected iron studies can answer different questions, and an HFE resu…

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