THE PURSER WELLNESS LIBRARY

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Nutrient referenceSep 17, 2026

Cysteine

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…etabolic processes. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clini…

Nutrient referenceSep 17, 2026

L-Glutamine

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…etabolic processes. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clini…

Nutrient referenceSep 17, 2026

Glycine

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…etabolic processes. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clini…

Nutrient referenceSep 17, 2026

Histidine

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…etabolic processes. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clini…

Nutrient referenceSep 17, 2026

Iodine

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…eded to make thyroid hormones. Possible deficiency symptoms Low intake can contribute to an enlarged thyroid and impaired thyroid hormone production. Symptoms are not specific. Food sources Iodized salt; dairy; seafood; eggs. Seaweed iodine…

Nutrient referenceSep 17, 2026

Iron

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…he label. Before taking a supplement Confirm the reason for low iron and assess blood loss when relevant. HFE-related iron overload requires different care. Keep iron away from children. Questions for your visit Could my diet, medicines, ab…

Nutrient referenceSep 17, 2026

Isoleucine

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…etabolic processes. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clini…

Nutrient referenceSep 17, 2026

Leucine

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…etabolic processes. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clini…

Nutrient referenceSep 17, 2026

L-Lysine

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…etabolic processes. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clini…

Nutrient referenceSep 17, 2026

Magnesium

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…icipates in energy production. 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; almo…

Nutrient referenceSep 17, 2026

L-Methionine

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…etabolic processes. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clini…

Nutrient referenceSep 17, 2026

L-Phenylalanine

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…etabolic processes. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clini…

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