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…onnects B12 with bone-building cells and folate and B6 with methylation and collagen-related metabolism. Elevated homocysteine is one research connection, rather than a complete explanation for osteoporosis. Bring these questions to your v…

…rt of fats from the liver. Also called: Choline More than a methylation nutrient Dr. Purser connects choline with phosphatidylcholine, membranes, liver fat handling, bile and brain function. PEMT is a major teaching link because it contribu…

… approached Methionine is part of protein nutrition and the methylation cycle, but adding it is not automatically appropriate when homocysteine is elevated. Dr. Purser’s pathway approach considers AHCY, methylation context and current homoc…

…ted chemistry. Review the full amino-acid pattern, diet and methylation context rather than choosing a separate serine product from a gene alone. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not automaticall…

…. Review B2 already present in a multivitamin, B-complex or methylation formula before adding another product. The MTHFR connection is part of the pathway assessment, not a stand-alone dosing rule. Food sources Milk; yogurt; eggs; meats; al…

…s from high supplemental exposure. Combining a B complex, a methylation formula and a separate P5P product can duplicate the ingredient. Numbness or tingling needs assessment rather than an automatic increase in B6. How supplementation is a…

…cuss in that context, with B12 reviewed alongside folate. A methylation label does not replace evaluation of deficiency. Food sources Leafy greens; lentils; chickpeas; asparagus; citrus; fortified grains. Supplement forms Folic acid, folini…

…nd adenosine. This adds the SAM/SAH balance to Dr. Purser’s methylation map. Putting the pieces together AHCY connects to the balance of molecules involved in methylation, which is more than a question of folate intake. Rare inherited AHCY …

…s homocysteine back to methionine. This helps explain why a methylation discussion should include B12 as well as folate, and why adding more folate alone does not answer every question. Putting the pieces together MTRR helps keep the MTR en…

…y alone. Putting the pieces together His wider map connects methylation with downstream sulfur handling and glutathione production. Learning the connection helps you distinguish raw materials, enzyme cofactors and current laboratory finding…

…l as consumed TCN2 appears in Dr. Purser’s homocysteine and methylation map because it concerns the transport of B12. The teaching distinction is between eating or supplementing a vitamin, transporting it, and using it in an enzyme reaction…

…r can move toward cysteine. The recycling route is called remethylation. The route toward cysteine is called transsulfuration. Folate and B12 help with one recycling route. Betaine, which can come from choline, helps with another. CBS and …