…ficiencies, such as chromium, B12, omega-3 fatty acids, and zinc, that can impact insulin receptor function.
B12 deficiency is a common deficiency that can affect insulin receptor function and contribute to diabetes.
High serum B12 levels…
…t, many other vitamin deficiencies, including magnesium and zinc deficiencies, may lead to osteoporosis. In our research, we found intracellular levels of these vitamins are far more accurate than serum levels to assess deficiencies. Theref…
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
The Purser genetics reference places CHDH in choline metabolism, while the combined SOP asks clinicians to consider CHDH alongside PEMT and FADS findings.
What if the answers you've been searching for aren't found in another prescription—but inside your own cells?
Most lab tests tell you what's circulating in your blood. But what if your cells are telling a different story?
A Cellular Micro
What if everything you’ve been told about PCOS is missing the real culprit?
Homocysteine isn’t just a random lab marker—it may be the hidden thread tying together hormone imbalance, inflammation, and the symptoms so many are struggling to m
Dr. Purser explains symptoms of Metallothionein dysfunctions and how metal toxicity can cause fibromyalgia. Learn how high serum copper levels cause painful inflammation in muscles, nerves, and joints. Explore the genetic components associated with fibromyalgia.
Many skincare and supplement companies throw around the word “glutathione,” but most of their products don’t actually deliver meaningful amounts—or the right form. For example, a popular serum claims anywhere from 50,000 ppm to just 500 ppm glutathione, which would equal almost nothing per bottle. On top of that, most products use oxidized glutathione, which doesn’t work in the body. That’s what makes VARS Glutathione different—it stays in its reduced, functional form all the way until your cells use it, giving you a real therapeutic dose that actually works.
Scurvy, no one should have it in these modern ages, but I see these patients again and again. Thiamine Deficiency is another that NO ONE knows to look at, but it’s there. Remember, these are INTRACELLULAR deficiencies, not just blood serum levels. You have to Dig Deep to get the root of the issue.
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!
Best match puts all-term matches before partial matches and related reading. Identical social posts and matching long titles across other 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.