Coleus is a plant that has been used since ancient times to treat heart disorders such as high blood pressure and chest pain (angina), as well as respiratory disorders such as asthma. Forskolin is a chemical found in the roots of the coleus plant.
When taken by mouth, coleus is used to treat allergies, dry eye, skin conditions such as eczema and psoriasis, obesity, painful menstrual periods, irritable bowel syndrome (IBS), urinary tract infections (UTI), bladder infections, advanced cancer, blood clots, sexual problems in men, trouble sleeping (insomnia), and convulsions.
Herbal product manufacturers are now producing Coleus extracts that contain high levels of forskolin. These preparations are being promoted for the same conditions for which forskolin has been traditionally used. However, currently there is no reliable scientific information that shows Coleus extracts taken by mouth are effective.