Jnana Therapeutics Inc. has described sodium-dependent neutral amino acid transporter B(0)AT1 (SLC6A19) inhibitors reported to be useful for the treatment of diabetes, chronic kidney disease, nonalcoholic or metabolic dysfunction-associated steatohepatitis (NASH/MASH), phenylketonuria, metabolic syndrome, obesity, neurodevelopmental disorders and autism spectrum disorders, among others.