THE PURSER WELLNESS LIBRARY

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A COURSE FOR YOUR CURIOSITYYour MTHFR starting point

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

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Gene referenceSep 17, 2026

HFE

Makes a protein involved in regulating iron absorption. Certain combinations of HFE variants can increase the likelihood of iron overload, but a variant alone does not establish that iron is high.

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