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Nutrient referenceSep 23, 2026
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…oduct is being considered and distinguish it from K2 forms. Food sources Leafy greens; broccoli; Brussels sprouts. Supplement forms Phylloquinone, also called phytonadione. What to track and reassess Coordinate any vitamin K change with the…

Nutrient referenceSep 23, 2026
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…ild-cherry-bark preparations are distinct from cherry fruit foods. Do not substitute homemade bark preparations for a reviewed product. What symptoms can—and cannot—tell you There is no established dietary deficiency syndrome for this speci…

Nutrient referenceSep 23, 2026
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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
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…for the effects of prolonged high intake on copper balance. Food sources Oysters; meat; poultry; beans; pumpkin seeds; fortified cereals. Supplement forms Zinc gluconate, citrate and sulfate are examples. A question to bring to your visit H…

Gene referenceSep 23, 2026
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…lity of metabolic support. The useful comparison is between food intake, actual lipid and glucose results, and the person’s activity pattern. The note about fish oil is a support discussion, not a reason to take an excessive amount from a S…

Gene referenceSep 23, 2026
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…pset and skin symptoms in its histamine section, along with food-trigger patterns, DAO enzyme products and clinician-selected antihistamines. These are topics to investigate in context, not a conclusion that every headache or food reaction …

Gene referenceSep 23, 2026
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… Putting the pieces together For Dr. Purser’s discussion of food-associated histamine reactions and DAO enzyme support, continue to AOC1. DAOA belongs in a different discussion involving D-serine and glutamate signaling. The histamine treat…

Gene referenceSep 23, 2026
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…ther If you are reviewing a FADS result, also consider your food intake and measured fatty-acid findings. Different omega-3 products contain different forms. A variant alone cannot tell you how much fish oil to take or prove that your body …

Gene referenceSep 23, 2026
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…ther If you are reviewing a FADS result, also consider your food intake and measured fatty-acid findings. Different omega-3 products contain different forms. A variant alone cannot tell you how much fish oil to take or prove that your body …

Gene referenceSep 23, 2026
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…in his metabolic teaching. A helpful plan still starts with food patterns, sleep, activity, medications and metabolic measurements. The genetic association is not a measure of willpower, does not make weight gain inevitable and does not ide…

Learning essentialsSep 23, 2026
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…set priorities, avoid doubling up on ingredients, and track food intake and tolerance. Dr. Purser sometimes uses an approximately 100-day replenishment period with a check-in around ten weeks. Your progress may take a different course, so a…

Learning essentialsSep 23, 2026
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…an affect different parts of this pathway. That is why your food history and other tests matter along with a homocysteine number. A low result does not prove a hidden deficiency. In fact, folate, B12, and B6 deficiencies more commonly rais…

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