Women's Hormonal and Metabolic Wellbeing Study

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.