THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “DHEA-S”

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Nutrient referenceSep 23, 2026

L-Threonine

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An amino acid used in protein synthesis and other metabolic processes. Also called: Threonine What it does An amino acid used in protein synthesis and other metabolic processes. How supplementation is approached Threonine is an essential am…

Nutrient referenceSep 23, 2026

L-Tryptophan

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An amino acid used in protein synthesis and other metabolic processes. Also called: Tryptophan The serotonin and melatonin connection Dr. Purser’s course connects tryptophan with serotonin and melatonin in its mood/sleep teaching. It asks c…

Nutrient referenceSep 23, 2026

L-Tyrosine

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An amino acid used in protein synthesis and other metabolic processes. Also called: Tyrosine What it does An amino acid used in protein synthesis and other metabolic processes. How supplementation is approached Tyrosine participates in cate…

Nutrient referenceSep 23, 2026

L-Valine

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An amino acid used in protein synthesis and other metabolic processes. Also called: Valine What it does An amino acid used in protein synthesis and other metabolic processes. How supplementation is approached Valine is a branched-chain esse…

Nutrient referenceSep 23, 2026

Vanadium

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A trace element without an established essential dietary role in humans. Also called: Vanadium What it does A trace element without an established essential dietary role in humans. How supplementation is approached Dr. Purser’s course place…

Nutrient referenceSep 23, 2026

Vitamin A

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Supports vision, immune function and tissue development. Also called: Vitamin A What it does Supports vision, immune function and tissue development. Possible deficiency symptoms Deficiency can cause night blindness and eye-surface damage. …

Nutrient referenceSep 23, 2026

Vitamin D

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Helps calcium absorption and bone mineralization. Also called: Vitamin D A nutrient level and a receptor gene answer different questions Dr. Purser places vitamin D in immune, hormone and bone-related teaching. The conversion-genetics chapt…

Nutrient referenceSep 23, 2026

Zeaxanthin

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A carotenoid found in foods and in the retina. Also called: Zeaxanthin What it does A carotenoid found in foods and in the retina. How supplementation is approached Zeaxanthin is a plant pigment found in the eye and often paired with lutein…

Nutrient referenceSep 23, 2026

Zinc

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Supports enzymes, immune function, wound healing and taste. Also called: Zinc Read zinc together with copper Zinc connects with immune function, hormones, copper handling and antioxidant enzymes. A plan for zinc should also account for othe…

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