THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “Vitamin B9 / folate deficiency”

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Nutrient referenceSep 23, 2026

Copper

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…uestion to bring to your visit Are we evaluating a measured deficiency, a suspected excess or a handling hypothesis, and what evidence distinguishes them? What to track and reassess Bring all copper- and zinc-containing products to the revi…

Nutrient referenceSep 23, 2026

Cysteine

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…e or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clinician. Food sources Protein foods such as eggs, fish, poultry, meat, d…

Nutrient referenceSep 23, 2026

Echinacea

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…APA result. A cell-response finding is not a diagnosis of a deficiency in this botanical or compound. Echinacea products vary by plant species, plant part and extraction method. What symptoms can—and cannot—tell you There is no established…

Nutrient referenceSep 23, 2026

Elderberry

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…APA result. A cell-response finding is not a diagnosis of a deficiency in this botanical or compound. Elderberry syrups, gummies and extracts can contain additional vitamins or sugar. Compare the whole formula. What symptoms can—and cannot…

Nutrient referenceSep 23, 2026

Frankincense

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…APA result. A cell-response finding is not a diagnosis of a deficiency in this botanical or compound. Frankincense may refer to Boswellia extracts or topical products. An oral extract and a topical preparation serve different purposes. Wha…

Nutrient referenceSep 23, 2026

Ginkgo Biloba

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…APA result. A cell-response finding is not a diagnosis of a deficiency in this botanical or compound. Ginkgo extracts differ from mixed memory-support formulas. Review all ingredients and current medicines before use. What symptoms can—and…

Nutrient referenceSep 23, 2026

L-Glutamine

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…e or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clinician. Food sources Protein foods such as eggs, fish, poultry, meat, d…

Nutrient referenceSep 23, 2026

Glycine

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…e or a laboratory finding is not automatically a standalone deficiency diagnosis. Assess overall protein intake, absorption and the clinical setting with a qualified clinician. Food sources Protein foods such as eggs, fish, poultry, meat, d…

Nutrient referenceSep 23, 2026

Goji Berry

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…APA result. A cell-response finding is not a diagnosis of a deficiency in this botanical or compound. Goji berries used as food differ from concentrated extracts and multi-ingredient antioxidant drinks. What symptoms can—and cannot—tell yo…

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