Clinical Research Directory

Inclusion Criteria: * Self-reported irregular menstrual cycles, defined as one or more of the following: * Cycle length typically \>35 days OR \<21 days * Fewer than 9 menstrual periods in the past year * Unpredictable cycle timing (varies by \>7 days month-to-month) * Irregular cycles present for ≥6 months * One or more of the following hormonal balance concerns: skin, unwanted hair growth, hair thinning, weight concerns) * Self-reported emotional symptoms that fluctuate with menstrual cycle, including: * Mood swings or irritability * Feelings of stress or tension * Low mood or feeling down * Difficulty with emotional regulation * Not currently using hormonal therapies, metformin, GLP-1 receptor agonists, or anti-androgens. * If taking supplements for menstrual/hormonal support: willing to discontinue for 2-week washout before baseline * Weight stable (+ 5 pounds) for the past 2 months, not planning to start a new diet, exercise program, or medications during study * Able to provide electronic informed consent. * Willing to complete online surveys and at-home DBS sample collection. * Negative home pregnancy test at baseline. * Access to a computer or smartphone and reliable internet connection.