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Individuals with insulin resistance, metabolic syndrome, or pre-diabetes

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Dosage: In human sleep studies, researchers have used intravenous doses of 25nmol per kilogram.13 14 Intravenous administration boasts higher bioavailability than, say, the subcutaneous route,28 which is the more common mode of administration for peptides, so a home-use case would likely involve a higher dose

Vitamin D ingested orally can take weeks, even months, to have an impact on your health and much of the dose is lost when it is converted in the gut