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Nutrient referenceSep 23, 2026
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Different families of fatty acids. They do not all have the same dietary requirements or biological roles. Also called: Omega-6, Omega-7, and Omega-9 What it does Different families of fatty acids. They do not all have the same dietary requ…

Nutrient referenceSep 23, 2026
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An amino acid used in protein synthesis and other metabolic processes. Also called: Phenylalanine What it does An amino acid used in protein synthesis and other metabolic processes. How supplementation is approached Phenylalanine is an esse…

Nutrient referenceSep 23, 2026
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Helps fluid balance, nerve signaling and muscle contraction. Also called: Potassium What it does Helps fluid balance, nerve signaling and muscle contraction. Possible deficiency symptoms Low blood potassium can cause weakness, constipation …

Nutrient referenceSep 23, 2026
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A compound sold in supplements; it is not an established essential human vitamin. Also called: PQQ (Pyrroloquinoline Quinone), Pyrroloquinoline Quinone A teaching category, not a deficiency diagnosis Dr. Purser’s course places PQQ in its mi…

Nutrient referenceSep 23, 2026
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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
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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
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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
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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
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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
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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
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Provides building blocks for NAD and NADP, which participate in cellular energy reactions. Also called: Vitamin B3 (Niacin), Niacin What it does Provides building blocks for NAD and NADP, which participate in cellular energy reactions. Poss…

Nutrient referenceSep 23, 2026
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Supports DNA synthesis and one-carbon metabolism, including the pathway that processes homocysteine. Also called: Vitamin B9 (Folate), Folate, B9, folic acid, methylfolate, 5-MTHF, folinic acid, foods high in folate Different folate forms, …

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