United States: GBL is regulated as a List I controlled chemical. As a GHB analog, it is also treated as a controlled substance under Schedule I of the Controlled Substances Act if intended for human consumption. Sales and distribution of this product for industrial use is tightly regulated and requires quantity tracing, lock and key storage and 24 hour surveillance. In 2012, manufactures moved away from outside sale of this chemical for industrial use and removed all distributors of this product due to tight regulations. Industrial purchasing of this product is only possible direct through manufacturers now of Ashland Chemical and Shrieve Chemical Company.