The Ananda Apothecary sources their essential oils from expert distilleries around the world. They've built relationships with distillers who also know the great health benefits essential oils potentially offer. And the Ananda Apothecary staff keeps up on the science behind the oils, noting their antibacterial, antiviral, anticancer, anti-inflammatory activities as published in peer-reviewed scientific journals. (Search PubMed.Gov for 'essential oil' to see more!)