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Gene referenceSep 23, 2026
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FOLR1 encodes folate receptor alpha, which helps cells take up folate and has an important role in folate transport at the brain’s barriers. Blood folate and folate availability in the nervous system are not identical measurements.

Gene referenceSep 23, 2026
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Makes the methionine synthase enzyme, which uses vitamin B12 in the conversion of homocysteine to methionine.

Gene referenceSep 23, 2026
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TCN2 helps carry vitamin B12 in the body. A gene result alone cannot tell you your B12 status.

Learning essentialsSep 23, 2026
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Follow Dr. Purser’s teaching on folate, B12, sulfur pathways and antioxidant support around homocysteine.

Gene referenceSep 17, 2026
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FOLR3 is the gene name for Folate Receptor 3. Learn what a specific result could mean and what to ask about it.

Report teachingSep 16, 2026
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Explore rs2236225, rs1076991, folate-dependent one-carbon metabolism, nucleotide synthesis, homocysteine, and double homozygosity.

InstagramJun 15, 2023
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My next 5 of TOP 20 Medical Truths! 6. Hair loss in women is 99% of the time due to vitamin deficiencies — check vitamin intracellular levels to discover what these deficiencies are. 7. If after getting every test you can, NO MATTER WHAT

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Health BlogMay 12, 2021
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Many vitamins and minerals go through the methylation cycle meaning a methyl group is added to a molecule to turn it into its active form. Individuals with MTHFR and other genetic methylation errors are unable to efficiently create the meth…

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