THE PURSER WELLNESS LIBRARY

Let’s explore Hormones: questions before a protocol

A COURSE FOR YOUR CURIOSITYFatigue: asking better questions

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Nutrient referenceSep 17, 2026

Lithium

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…counter lithium products have different uses and oversight. Before taking a supplement Prescription lithium requires blood-level, kidney and thyroid monitoring. Over-the-counter lithium is not an established nutritional treatment or interch…

Nutrient referenceSep 17, 2026

Lutein

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…ein is sold alone or with zeaxanthin and other ingredients. Before taking a supplement Concentrated supplements can interact with medicines and may differ substantially from foods. Discuss pregnancy, breastfeeding, kidney or liver disease, …

Nutrient referenceSep 17, 2026

Lycopene

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… Supplement forms Tomato extracts and lycopene supplements. Before taking a supplement Concentrated supplements can interact with medicines and may differ substantially from foods. Discuss pregnancy, breastfeeding, kidney or liver disease, …

Nutrient referenceSep 17, 2026

L-Lysine

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…pounds are not automatically interchangeable with L-Lysine. Before taking a supplement Concentrated supplements can interact with medicines and may differ substantially from foods. Discuss pregnancy, breastfeeding, kidney or liver disease, …

Nutrient referenceSep 17, 2026

Magnesium

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…cinate are examples. The label reports elemental magnesium. Before taking a supplement Supplements may cause diarrhea. Kidney disease and some medicines change the safety of supplementation. Questions for your visit Could my diet, medicines…

Nutrient referenceSep 17, 2026

Maitake

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…linary mushrooms, powders and concentrated extracts differ. Before taking a supplement Concentrated supplements can interact with medicines and may differ substantially from foods. Discuss pregnancy, breastfeeding, kidney or liver disease, …

Nutrient referenceSep 17, 2026

Manganese

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…mes; tea. Supplement forms Manganese sulfate and gluconate. Before taking a supplement Excess exposure can harm the nervous system. Liver disease can affect manganese clearance. Questions for your visit Could my diet, medicines, absorption …

Nutrient referenceSep 17, 2026

Mangosteen

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…products and concentrated rind extracts are not equivalent. Before taking a supplement Concentrated supplements can interact with medicines and may differ substantially from foods. Discuss pregnancy, breastfeeding, kidney or liver disease, …

Nutrient referenceSep 17, 2026

Melatonin

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…release / sustained-release melatonin; Sublingual melatonin Before taking a supplement Can cause sleepiness and interact with medicines. Discuss use in children, pregnancy or persistent sleep problems with a clinician. Questions for your vi…

Nutrient referenceSep 17, 2026

L-Methionine

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…ds are not automatically interchangeable with L-Methionine. Before taking a supplement Concentrated supplements can interact with medicines and may differ substantially from foods. Discuss pregnancy, breastfeeding, kidney or liver disease, …

Nutrient referenceSep 17, 2026

Milk Thistle

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…xtracts containing silymarin; products vary in composition. Before taking a supplement Concentrated supplements can interact with medicines and may differ substantially from foods. Discuss pregnancy, breastfeeding, kidney or liver disease, …

Nutrient referenceSep 17, 2026

MK-4 & MK-7

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…lement forms Menaquinone-4 (MK-4) and menaquinone-7 (MK-7). Before taking a supplement Vitamin K can interfere with warfarin. A supplement is not a substitute for osteoporosis assessment. Questions for your visit Could my diet, medicines, a…

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