An echinacea-zinc–vitamin C combination, with or without vitamin D, for respiratory infections
In this randomized controlled trial, an echinacea-zinc–vitamin C combination product purportedly shortened and reduced symptoms of common respiratory infections, but the inclusion of made-up data makes these results unreliable.
The effect of probiotics and plant extracts on acne
Safety and efficacy of herbal medicine during pregnancy and lactation
Echinacea extract supplementation for improving mood and anxiety
Alleviating anxiety with echinacea