THE PURSER WELLNESS LIBRARY

Let’s explore B vitamins

A COURSE FOR YOUR CURIOSITYMethylation & B vitamins

4 chapters, at your pace

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New to this subject? Start with this free introduction.Crash Course on MTHFR & Genetic Terminology

62 discoveries for your curiosity

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YouTubeJan 6, 2026

What is Intracellular Testing?

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Intracellular testing, or the CMA Cellular Micronutrient Assay, measures over 100 vitamins, minerals, amino acids, and antioxidants inside your cells—not just in your blood. Unlike serum tests, which show short-term levels, intracellular testing reveals what your cells have been missing over the last 100 days. Low levels can mean weak enzymes, non-functioning proteins, and accelerated aging. By identifying deficiencies and matching them with the correct nutrient forms for your genetics, you can target fatigue, anxiety, depression, and other chronic issues at the root. Get your CMA by calling o

Gene referenceSep 17, 2026

CYP1B1

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CYP1B1 is the gene symbol used for Cytochrome P450 Family 1 Subfamily B Member 1. This page connects its terminology with the topics in the Purser Wellness teaching library.

Best match puts all-term matches before partial matches and related reading. Matching long titles across sources are grouped when access is the same. Search covers published titles, descriptions, available article text, report overviews, and the full text of the nutrient, gene and learning-essential reference pages. Books, uploaded chapters and downloads-page reports are searchable through selected editorial guides and topic names; the original files and full book text are not published. Full Drive reports are not copied into search. Substack subscriber titles and public summaries are included; full subscriber content opens on Substack. Video transcripts are added when available.