Supplier Page from Thermo Fisher Scientific for Methylene Blue, 1% w/v aq. soln
18-beta-Glycyrrhetinic acid, 98+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
L(+)-Lysine monohydrochloride, 99% from Thermo Fisher Scientific
Melatonine, 99% from Thermo Fisher Scientific