Well, it's quite safe, because the main raw material of Kangneng's Lily Enzyme Compound Capsule, N.zimes comprehensive plant enzyme, is extracted from pure plants by exclusive biotechnology of NEC, which is natural and pure and rich in starch, protein, minerals and so on. Among the world-recognized plants that soothe the nerves and help sleep, such as Lily and Jujube, there are also special and precious alkaloids such as colchicine.