Hypoglycin B is a naturally occurring organic compound in the species Blighia sapida.

It is particularly concentrated in the fruit of the plant especially in the seeds.

Hypoglycin B is toxic if ingested and is one of the causative agents of Jamaican vomiting sickness.

[1] It is a dipeptide of glutamic acid and hypoglycin A.

This article about an organic compound is a stub.