Home Diabetes Glossary D-phenylalanine derivative D-phenylalanine derivative Thursday,January 4, 2023 ByDiabetesCare.net by DiabetesCare.net | Jan 4, 2023 | 0 comments (dee-fen-nel-AL-ah-neen): a class of oral medicine for type 2 diabetes that lowers blood glucose levels by helping the pancreas make more insulin right after meals. (Generic name: nateglinide.) Submit a Comment Cancel replyYou must be logged in to post a comment.