Kentsin, a contraceptive tetrapeptide, is originally extracted from hamster embryos. Kentsin prevents the maturation of Graafian follicles and consequently inhibits ovulation. Kentsin has opiate properties on gastrointestinal motility.

HA15 targets specifically BiP/GRP78/HSPA5. HA15 exhibits anti-cancerous activity on all melanoma cells tested, including cells isolated from patients and cells that developed resistance to BRAF inhibitors.

Hispolon is a polyphenol. Hispolon can be isolated from Phellinus linteus. Hispolon exhibits anticancer, antidiabetic, antiviral, hepatoprotective, antioxidant, and anti-inflammatory activities.