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Nutrient referenceSep 23, 2026
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Is needed to make thyroid hormones. Also called: Iodine What it does Is needed to make thyroid hormones. Possible deficiency symptoms Low intake can contribute to an enlarged thyroid and impaired thyroid hormone production. Symptoms are not…

Nutrient referenceSep 23, 2026
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An amino acid used in protein synthesis and other metabolic processes. Also called: Isoleucine What it does An amino acid used in protein synthesis and other metabolic processes. How supplementation is approached Isoleucine is a branched-ch…

Nutrient referenceSep 23, 2026
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An amino acid used in protein synthesis and other metabolic processes. Also called: Leucine What it does An amino acid used in protein synthesis and other metabolic processes. How supplementation is approached Leucine is a branched-chain es…

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

Nutrient referenceSep 23, 2026
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Helps several enzymes, including a mitochondrial antioxidant enzyme, function. Also called: Manganese The mitochondrial SOD connection Manganese helps support SOD2, an antioxidant enzyme that works in mitochondria. Enzymes and the nutrients…

Nutrient referenceSep 23, 2026
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…uced form of a coenzyme involved in cellular energy reactions. Also called: NADH What it does The reduced form of a coenzyme involved in cellular energy reactions. How supplementation is approached NADH belongs to cellular-energy chemistry,…

Nutrient referenceSep 23, 2026
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A family of fats that includes ALA, EPA and DHA. Also called: Omega-3 Food source, chemical form and membrane function Dr. Purser’s course connects omega-3s with membranes, brain function and inflammatory/metabolic teaching. FADS1 and FADS2…

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…

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