Serrapeptase is a chemical taken from the silkworm. It is a commonly used drug (Takeda Chemical Industries) in Japan and Europe. In the U.S., serrapeptase is classified as a dietary supplement.

Serrapeptase is used for painful conditions including back pain, osteoarthritis, rheumatoid arthritis, osteoporosis, fibromyalgia, carpel tunnel syndrome, migraine headache, and tension headache.

It is also used for conditions that involve pain and swelling (inflammation) including sinusitis, laryngitis, sore throat, ear infections, swelling after surgery, swelling of a vein with the formation of a blood clot (thrombophlebitis), and inflammatory bowel disease (IBD) including ulcerative colitis and Crohn’s disease.