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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 aromatic plant used in fragrances and selected herbal preparations. Also called: Lavender What it does An aromatic plant used in fragrances and selected herbal preparations. How this fits a treatment plan Lavender is an educational entry…

Nutrient referenceSep 23, 2026
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A cofactor involved in mitochondrial enzyme reactions, also sold as alpha-lipoic acid. Also called: Lipoic Acid What it does A cofactor involved in mitochondrial enzyme reactions, also sold as alpha-lipoic acid. How supplementation is appro…

Nutrient referenceSep 23, 2026
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An element found in trace amounts in the environment and used in prescription medicines. Also called: Lithium What it does An element found in trace amounts in the environment and used in prescription medicines. How supplementation is appro…

Nutrient referenceSep 23, 2026
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A carotenoid found in foods and in the retina. Also called: Lutein What it does A carotenoid found in foods and in the retina. How supplementation is approached Lutein is an eye-related carotenoid, not a vitamin with a recognized isolated d…

Nutrient referenceSep 23, 2026
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A carotenoid pigment found in tomatoes and certain other fruits. Also called: Lycopene What it does A carotenoid pigment found in tomatoes and certain other fruits. How this fits a treatment plan Lycopene is an educational entry in the anti…

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 enzymes, nerves and muscles work, and participates in energy production. Also called: Magnesium, magnesium deficiency, muscle cramps A cofactor across several systems Dr. Purser’s course places magnesium in energy, muscle, nerve, slee…

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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A tropical fruit also sold in juice and concentrated extracts. Also called: Mangosteen What it does A tropical fruit also sold in juice and concentrated extracts. How this fits a treatment plan Mangosteen is an educational entry in the anti…

Nutrient referenceSep 23, 2026
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A hormone involved in the timing of sleep and the body clock. Also called: Melatonin What it does A hormone involved in the timing of sleep and the body clock. How supplementation is approached Dr. Purser includes melatonin in selected main…

Nutrient referenceSep 23, 2026
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An amino acid used in protein synthesis and other metabolic processes. Also called: Methionine Where the cycle begins Methionine is an essential amino acid used to make proteins. It also enters a pathway involving SAM, SAH, and homocysteine…

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