THE PURSER WELLNESS ENCYCLOPEDIA

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Health BlogMar 13, 2026

The Hidden Molecule Driving Inflammation: Understanding the Purser Model of Homocysteine

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…as a toxic substance in the blood. Doctors were taught that lowering it with B-vitamins might reduce heart disease risk. But research results were inconsistent, leaving many physicians unsure whether homocysteine truly mattered. New researc…

Nutrient referenceSep 23, 2026

Arginine

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…protein, digestion, training demand and the number of other low amino acids. Arginine participates in nitric oxide production, but this does not make an arginine product interchangeable with treatment for vascular disease. What symptoms can…

Nutrient referenceSep 23, 2026

Asparagine

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…stion, absorption or increased demand might explain several low findings together, instead of automatically adding a separate bottle for each amino acid. What symptoms can—and cannot—tell you A low intake or a laboratory finding is not auto…

Nutrient referenceSep 23, 2026

Astaxanthin

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… hope to improve and how it fits with your other results. A low antioxidant-response finding does not tell you an astaxanthin dose or prove that it prevents brain disease. What symptoms can—and cannot—tell you There is no established dietar…

Nutrient referenceSep 23, 2026

Calcium

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…and nerve signaling. Possible deficiency symptoms Long-term low intake can affect bones without obvious symptoms. Low blood calcium has multiple causes and is not equivalent to low dietary intake. How supplementation is approached Start wit…

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

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…

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