THE PURSER WELLNESS ENCYCLOPEDIA

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Nutrient referenceSep 23, 2026

Carnitine

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…t alongside amino acids, CoQ10, magnesium and B vitamins. A low-energy complaint alone does not show that a carnitine supplement is the missing step. What symptoms can—and cannot—tell you Rare inherited disorders and certain medical conditi…

Nutrient referenceSep 23, 2026

Catalase

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…er in the VARS Triad. They have different jobs in the body. Homocysteine or immune-signal questions may bring these pathways into your visit, but a pathway connection does not show that you need all three products. How supplementation is ap…

Nutrient referenceSep 23, 2026

Cysteine

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…ferent ingredients. 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 23, 2026

L-Glutamine

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…o-acid pattern. Dr. Purser’s approach looks beyond a single low item when several amino acids are affected. Gut symptoms do not by themselves establish that glutamine is the right treatment. What symptoms can—and cannot—tell you A low intak…

Nutrient referenceSep 23, 2026

Glycine

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…sult independently. 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 23, 2026

Histidine

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…n history together. 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 23, 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. How supplementation is approached Review iodine intake together…

Nutrient referenceSep 23, 2026

Iron

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…han replacing those measurements. The plan must distinguish low intake or deficiency from overload concerns. How supplementation is approached Dr. Purser treats iron as a finding requiring laboratory and clinical context, not a general fati…

Nutrient referenceSep 23, 2026

Isoleucine

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…mino-acid strategy. 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 23, 2026

Leucine

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…mino-acid strategy. 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 23, 2026

Lithium

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…approached Lithium is different from an ordinary vitamin. A low-dose supplement is not the same as prescription lithium. If you are considering either form, talk with the clinician who manages your medicines and kidney or thyroid health. Wh…

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