The goal of this study is to learn how a supplement Quercetin can affect microvascular function. Participants will: * give two blood draws of 5 mL each * have a camera placed under the tongue to take pictures of blood vessels * have 2 laser Doppler microdialysis catheters placed on the forearm to monitor blood vessels before and after local drug infusion Researchers will compare blood vessel function of those who take estrogen supplements to those who do not.
Age range
18 Years – 40 Years
Sex
ALL
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Change in blood vessel dilation
Timeframe: 2 hours