Supplier Page from Thermo Fisher Scientific for Magnesium 2,4-pentanedionate hydrate, typically 98+% (metals basis)
Allopurinol, 98% from Thermo Fisher Scientific
beta-Nicotinamide adenine dinucleotide hydrate, 98+% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
L(+)-Glutamine, 99% from Thermo Fisher Scientific