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Nutrient referenceSep 23, 2026

An element found in trace amounts in the environment and used in prescription medicines.

Nutrient referenceSep 23, 2026

Is part of proteins involved in thyroid hormone metabolism and antioxidant defense.

Nutrient referenceSep 23, 2026

An amino acid used in protein synthesis and other metabolic processes.

Gene referenceSep 23, 2026

ESR1 encodes estrogen receptor alpha, which helps cells respond to estrogen. Receptor signaling is different from the amount of estrogen measured in blood.

Gene referenceSep 23, 2026

IL22 encodes a cytokine that acts on tissues such as epithelial barriers. It can support barrier defense and repair, while its effects depend on the tissue and inflammatory setting.

Gene referenceSep 17, 2026

ESR2 is the gene name for Estrogen Receptor 2. Learn what a specific result could mean and what to ask about it.

SubstackAug 21, 2026Subscriber

Dr. Purser explores questions about primary ovarian insufficiency (POI) and cytokines. The full subscriber post is on Substack.

Report teachingAug 16, 2026

Explore rs2910397, rs2637125, steroid sulfation, DHEA, DHEAS, bile acids, and hormone and liver pathways.

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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.