J Affect Disord 2021 Jun 24;293:229-237. Epub 2021 Jun 24.
Clinical Research Australia, Perth, Western Australia 6023, Australia; College of Science, Health, Engineering and Education, Murdoch University, Perth, Western Australia 6150, Australia.
Background: The acute anxiolytic effects of the echinacea angustifolia extract (EP107) have been demonstrated in two previous human trials. The goals of this study were to examine the anxiolytic and mood-enhancing effects of echinacea angustifolia over a longer duration with a larger sample size.
Methods: In this 6-week, 3-arm, parallel-group, double-blind, randomised controlled trial, 108 adults with mild-to-moderately severe anxiety were recruited and randomised to receive either a placebo, 20 mg, or 40 mg of echinacea angustifolia, twice daily. Read More