THE PURSER WELLNESS LIBRARY

Let’s explore “Vitamin A, retinol — lab reference”

A COURSE FOR YOUR CURIOSITYGetting to know your micronutrients

5 chapters, at your pace

Explore the course

670 discoveries for your curiosity58 matching listings grouped; alternative sources stay available.

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Gene referenceSep 23, 2026

FUT2

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…the same conversation. Those connections do not make an IBS label, Crohn’s disease or another diagnosis interchangeable, and a common variant is not a substitute for a digestive workup. A question to bring to your visit Which part of my his…

Gene referenceSep 23, 2026

GAD1

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…you review a GAD1 result, your clinician may also look at B vitamins, magnesium, inositol, amino acids, fatty acids, and antioxidant findings. The gene result does not measure brain chemicals or replace mental health care. A question to bri…

Gene referenceSep 23, 2026

GAD2

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…you review a GAD2 result, your clinician may also look at B vitamins, magnesium, inositol, amino acids, fatty acids, and antioxidant findings. The gene result does not measure brain chemicals or replace mental health care. A question to bri…

Gene referenceSep 23, 2026

GCLC

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…oose a supplement dose for you. Variant IDs in the teaching reference: rs12524494, rs17883901, rs648595 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily and the VARS…

Gene referenceSep 23, 2026

GCLM

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…oose a supplement dose for you. Variant IDs in the teaching reference: rs2301022, rs41303970 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily and the VARS Triad: VAR…

Gene referenceSep 23, 2026

GGH

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…port a folate-handling concern? Variant IDs in the teaching reference: rs1800909, rs11545076 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily and the VARS Triad: VAR…

Gene referenceSep 23, 2026

GPX1

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…oose a supplement dose for you. Variant IDs in the teaching reference: rs1050450 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily and the VARS Triad: VARS Glutathion…

Gene referenceSep 23, 2026

GPX3

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…oose a supplement dose for you. Variant IDs in the teaching reference: rs3829856, rs8177426 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily and the VARS Triad: VARS…

Gene referenceSep 23, 2026

GPX4

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…oose a supplement dose for you. Variant IDs in the teaching reference: rs2074452, rs713041 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily and the VARS Triad: VARS …

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