Swanson ® Full Spectrum Coleus Forskohlii is a food supplement in the form of capsules containing a valuable active ingredient of vegetable origin - powdered Indian nettle root. The recommended daily dose contains 400 mg of nettle root. Indian nettle ( Coleus forskohlii ) is a tropical perennial related to the typical nettle species. This herb is prized for its health-promoting potential, which is still being discovered. It has been widely used primarily in Ayurveda, where it has been used for a very long time, primarily in the form of infusions.