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Report teachingOct 2, 2026
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Primary ovarian insufficiency describes reduced ovarian function before age 40. Understand the connection Primary ovarian insufficiency describes reduced ovarian function before age 40. It can have genetic, immune, treatment-related, or un…

Nutrient referenceSep 23, 2026
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An enzyme the body makes that breaks down hydrogen peroxide. Also called: Catalase The peroxide-handling step In Dr. Purser’s antioxidant teaching, catalase helps break hydrogen peroxide down into water and oxygen. It is discussed after SOD…

Nutrient referenceSep 23, 2026
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A molecule made from glutamate, cysteine and glycine that participates in cellular redox balance. Also called: Glutathione (GSH), GSH Making, using and recycling glutathione Your body makes glutathione from three building blocks. Several ge…

Nutrient referenceSep 23, 2026
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An amino acid used in protein synthesis and other metabolic processes. Also called: Methionine Where the cycle begins Methionine is an essential amino acid used to make proteins. It also enters a pathway involving SAM, SAH, and homocysteine…

Nutrient referenceSep 23, 2026
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Supports DNA synthesis and one-carbon metabolism, including the pathway that processes homocysteine. Also called: Vitamin B9 (Folate), Folate, B9, folic acid, methylfolate, 5-MTHF, folinic acid, foods high in folate Different folate forms, …

Gene referenceSep 23, 2026
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Encodes diamine oxidase, an enzyme involved in breaking down histamine and other amines. DAO is used here as an enzyme nickname; it is also the official symbol of a different gene. Also called: DAO, Amine Oxidase, Copper Containing 1, Diami…

Gene referenceSep 23, 2026
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ATG16L1 is involved in autophagy, a process that helps cells recycle parts. Also called: Autophagy-Related 16-Like 1 Cellular recycling meets gut immunity ATG16L1 is involved in autophagy, a process that helps cells recycle parts. It is stu…

Gene referenceSep 23, 2026
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BHMT helps recycle homocysteine into methionine using betaine. It is a different route from the folate and B12 pathway. Also called: BHMT08, Betaine-Homocysteine S-Methyltransferase Another route through the homocysteine map BHMT is part of…

Gene referenceSep 23, 2026
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The older Purser genetics reference uses the heading “DAOA (AOC1)” in its gut section. Also called: D-Amino Acid Oxidase Activator Two similar names, two different pathways You may see DAOA and AOC1 written together in older materials, but …

Gene referenceSep 23, 2026
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FOLH1 helps break down folate from food so it can be absorbed. This is different from the MTHFR step. Also called: Folate Hydrolase 1 Folate handling begins before remethylation Dr. Purser’s genetic chapters include FOLH1 in folate handling…

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Search looks for your words in titles, descriptions, available articles, learning guides, and video captions when available. The closest matches appear first. Duplicate posts are grouped, with links to other places you can read or watch them. Books, chapters, and reports have topic guides here; the original files and full book text are not available in this encyclopedia. Subscriber posts include a title and public summary; open Substack to read the full post.