Can plants ease period pain? new study puts them to the test

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults, at least 21 years old at the time of electronic consent, inclusive of all ethnicities, races, and gender identities * Assigned sex at birth is female * Resides in the United States * Identifies menstrual status as premenopausal * Reports an average menstrual cycle length of 3 - 6 weeks * Has the opportunity for at least 30% improvement in their primary health outcome * Expresses a willingness to take a study product and not know the product identity (active or placebo) until the end of the study Exclusion Criteria: * Reports being pregnant, trying to become pregnant, or breastfeeding * Unable to provide a valid US shipping address and mobile phone number * Reports current enrollment in another clinical trial * Reports being a heavy drinker (defined as drinking 3 or more alcoholic beverages per day) * Unable to read and understand English * Reports a current and/or recent (up to 3 months ago) major illness and/or surgery that poses a known, significant safety risk. * Reports a diagnosis of cardiac dysfunction, liver or kidney disease that presents a known contraindication and/or a significant safety risk with any of the study product ingredients. \-- NYHA Class III or IV congestive heart failure, atrial fibrillation, uncontrolled arrhythmias, cirrhosis, end-stage liver disease, stage 3b or 4 chronic kidney disease, or kidney failure * Reports taking medications that have a well-established moderate or severe interaction, posing a substantial safety risk with any of the study product ingredients. \-- Anticoagulants, antihypertensives, anxiolytics, antidepressants, chemotherapy, immunotherapy, sedative hypnotics, medications that warn against grapefruit consumption, corticosteroids at doses greater than 5 mg per day, diabetic medications, oral anti-infectives (antibiotics, antifungals, antivirals) to treat an acute infection, antipsychotics, MAOIs, or thyroid products * Reports current use of the primary ingredient(s) and/or similar product(s) to the active study product(s) that may limit the effects of the study products and/or pose a safety risk to participants * Reports an allergy to and/or disinterest in any of the possible study product ingredients * Lack of reliable daily access to the internet