In 2017, the Food and Drug Administration issued a public health advisory in which it declared that the use of Kratom has harmful effects on human health. Common adverse effects were insomnia, sweating, hair loss, constipation, anorexia, tremor, etc. Kratom was declared illegal and was banned in many states but after several kinds of research it was declared legal in majority of the states. It was legal for people who were over 21. www.redstormscientific.com/kratom-legality-in-the-u-s-by-state/