Our position on the ingestion of essential oils is that all of our oils are undiluted, pure and natural and suitable for therapeutic purposes. We do NOT recommend the ingestion of essential oils as they are highly concentrated and can cause damage internally if administered without expertise. This is also the position of the International Federation of Aromatherapists.
For further information, we recommend the following reference books. You may also read our article A Beginner’s Guide to Using Essential Oils.