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Plasma levels of GHK-Cu decline from around 200 nanograms per milliliter at age 20 to approximately 80 nanograms per milliliter by age 60
Nausea, vomiting, and diarrhea are common during dose escalation
The average age was ~70 years and ~50% were women
The Role of Telehealth in Your Journey In the past, adjusting a medication meant waiting weeks for an in-person appointment and sitting in a crowded waiting room
33 Large prospective studies are needed to replicate these preliminary findings and to confirm optimum dosing of zinc sulfate
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