THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “ARFID: food variety, nutrient gaps, and testing questions”

A RELATED COURSEMake sense of your testing

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1879 resources for your curiosity309 matching listings grouped; alternative sources stay available.

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Nutrient referenceSep 23, 2026

Zeaxanthin

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A carotenoid found in foods and in the retina. Also called: Zeaxanthin What it does A carotenoid found in foods and in the retina. How supplementation is approached Zeaxanthin is a plant pigment found in the eye and often paired with lutein…

Nutrient referenceSep 23, 2026

Zinc

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…for the effects of prolonged high intake on copper balance. Food sources Oysters; meat; poultry; beans; pumpkin seeds; fortified cereals. Supplement forms Zinc gluconate, citrate and sulfate are examples. A question to bring to your visit H…

Gene referenceSep 23, 2026

NAT2

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NAT2 encodes N-acetyltransferase 2, which helps process certain drugs and other compounds. Combinations of variants can influence acetylation status; one SNP usually does not tell the entire story.

Gene referenceSep 23, 2026

IL4

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…together Dr. Purser’s panel connects IL-4 with allergic and food-reaction contexts and discusses vitamin D as part of that picture. The helpful distinction is between confirmed allergy, a reproducible food-associated symptom and a genetic a…

FacebookSep 21, 2026

Ever remember something I said in a video but have no idea which video it was?

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Ever remember something I said in a video but have no idea which video it was? We’ve been working on that. Introducing **Purser Wellness Explore** a new home for my teaching, organized so you can find the subjects that matter to you. MTH

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FacebookSep 14, 2026

What if your constant sugar cravings are not simply a willpower problem?

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What if your constant sugar cravings are not simply a willpower problem? You wake up tired. You reach for sugar or quick carbohydrates. You feel better for a little while. Then the crash hits and you are searching for energy all over ag

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