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… proteins. It also enters a pathway involving SAM, SAH, and homocysteine. Being early in that pathway does not mean you should avoid methionine without an individual reason. Putting the pieces together The nutrition chapters ask about prote…

…lso called: Molybdenum A trace mineral in sulfur-processing teaching The transsulfuration chapter mentions molybdenum in the context of sulfite and sulfur processing. That is a specific teaching connection alongside CBS/CTH, cysteine and gl…

…s with membranes, brain function and inflammatory/metabolic teaching. FADS1 and FADS2 add the conversion question: plant precursor fats and preformed EPA/DHA are different parts of the pathway. Putting the pieces together Start with the fat…

… PQQ (Pyrroloquinoline Quinone), Pyrroloquinoline Quinone A teaching category, not a deficiency diagnosis Dr. Purser’s course places PQQ in its mitochondrial and brain-support category, near CoQ10 and phosphatidylserine. The discussion conc…

…olate chemistry. It comes up when discussing the route from homocysteine toward cysteine and the SHMT1 step that involves serine, glycine, and folate. Your nutrient results matter more than a pathway diagram alone. Putting the pieces togeth…

…s tryptophan with serotonin and melatonin in its mood/sleep teaching. It asks clinicians to interpret amino-acid findings as a pattern, including protein intake, absorption and current medications. Putting the pieces together An amino-acid …

…er/cod-liver-oil and eye-health products. Dr. Purser’s BCO1 teaching explains why conversion can be part of the discussion, but a gene result alone does not choose the form or amount. Food sources Eggs; dairy; liver; orange and dark-green v…

…Transport, use and tolerance Vitamin B12 is involved in the homocysteine pathway with MTR and MTRR. TCN2 helps carry B12. If you have tried a supplement, bring its exact form, such as methyl B12 or hydroxy B12, and note how you felt. Puttin…

…lavin–MTHFR connection Chapter 8 includes riboflavin in the homocysteine discussion because it supplies the precursor for FAD, a cofactor used by MTHFR. This gives vitamin B2 a specific place in the pathway rather than treating every B vita…

…stry B6 helps with chemical messengers and the pathway from homocysteine toward glutathione. That connects it with GAD and GABA, amino-acid processing and sulfur metabolism. A pathway link does not set a personal dose. Putting the pieces to…

…Purser places vitamin D in immune, hormone and bone-related teaching. The conversion-genetics chapter includes VDR, which concerns the vitamin D receptor. This is distinct from measuring a vitamin D blood level. Putting the pieces together …

…l results. Putting the pieces together Dr. Purser’s mineral teaching asks clinicians to avoid duplication and overcorrection. Reviewing zinc-containing lozenges, multivitamins and immune formulas together is more informative than checking o…