20-Hydroxyecdysone is a The natural way happening ecdysteroid hormone which controls the ecdysis (moulting) and metamorphosis of arthropods. It's for that reason Just about the most widespread moulting hormones in insects, crabs, and so forth. It is also a phytoecdysteroid made by various crops, including Cyanotis vaga, Ajuga turkestanica and Rhapo