Each batch of doTERRA essential oils goes through a battery of rigorous tests to ensure you and your family receive only the most pure, potent, and effective oils on earth. Enter your unique Quality ID to view GC/MS test results from an independent, verified third party lab. We are committed to providing you the highest quality oil, every time.
Your Quality ID is located on the bottom of doTERRA single essential oil bottles purchased after May 2016. Each Quality ID includes six or seven numbers and one letter.