THE PURSER WELLNESS LIBRARY

Let’s explore fatigue

A COURSE FOR YOUR CURIOSITYFatigue: asking better questions

4 chapters, at your pace

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New to this subject? Start with this free introduction.What Causes Chronic Fatigue Syndrome?

90 discoveries for your curiosity2 matching listings grouped; alternative sources stay available.

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Nutrient referenceSep 17, 2026

Iron

In the article

…ses. Possible deficiency symptoms Iron deficiency can cause fatigue, weakness, reduced exercise tolerance and, sometimes, cravings for nonfood substances. Food sources Meat; seafood; lentils; beans; iron-fortified cereals. Vitamin C helps a…

Nutrient referenceSep 17, 2026

Magnesium

In the article

…ction. Possible deficiency symptoms Low magnesium can cause fatigue, weakness and, when more severe, muscle cramps or abnormal heart rhythms. These symptoms have many possible causes. Food sources Pumpkin seeds; almonds; spinach; beans; who…

Nutrient referenceSep 17, 2026

Selenium

In the article

… is uncommon in many settings and cannot be identified from fatigue alone. Food sources Seafood; meat; eggs; grains; Brazil nuts, whose selenium content is highly variable. Supplement forms Selenomethionine and sodium selenite. Before takin…

Health BlogApr 6, 2026

MTHFR Mutations, Elevated Homocysteine & Autoimmune Inflammation: The Hidden Root Cause Most Doctors Miss

In the article

…ser-method. You do not have to accept a lifetime of flares, fatigue, and medications. The root cause is identifiable. The solution is here.As the physician who literally wrote the book on homocysteine, who has treated more MTHFR-driven auto…

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