Sourced from reputable vendors in Sri Lanka, Health Ranger Select Organic Cinnamon Bark Essential Oil is made from the highest-quality cinnamon available. Unlike other cinnamon products, this is made with nothing less than Cinnamomum verum, the true cinnamon. Many others are derived from Cassia Cinnamon, a variety known to contain high amounts of liver-damaging coumarin. See the Health Ranger difference: