Chondroitin sulfate is an important structural component of cartilage and has been used as a dietary supplement for the treatment of joint discomfort.

TAT TFA (YGRKKRRQRRR) is derived from human immunodeficiency virus (hiv-1) transcription reverse activator TAT, is a cell penetrating peptide.

Methyl nomilinate from citrus can modulate cell cycle regulators to induce cytotoxicity in human colon cancer (SW480) cells in vitro.