Intervention Eligible participants were randomly assigned to receive a chamomile extract, manufactured by MediHerb (Warwick, Australia), 540 mg (6 tablets daily), or a matching placebo (6 tablets daily).
InterventionEligible participants were randomly assigned to receive achamomile extract, manufactured by MediHerb (Warwick,Australia), 540 mg (6 tablets daily), or a matchingplacebo (6 tablets daily).