It consists of the dried roots of Sphenocentrum jollyanum. Sphenocentrum jollyanum is a perennial under growth of dense forest. It grows to an average height of about 1.5 m, with few scanty branches. S. jollyanum leaves are wedge-shaped, about 5–12 cm wide, smooth on both sides, and can grow up to about 20 cm long with a small-arrowed apex.
The root is used as an aphrodisiac tonic for men. The sap from chewing sticks made from the root is believed to relieve stomach-ache and constipation, and to boost appetite and sexual drive. Sphenocentrum jollyanum has shown anti-oxidant, anti-angiogenic, anti-inflammatory, antipyretic, antinociceptive, antitumor, antiviral, laxative, stomachic, tonic and aphrodisiac activities.
Mucuna pruriens (Velvet bean) is an established herbal drug used for the management of male infertility, nervous disorders, and also as an aphrodisiac. It has been shown that its seeds are potentially of substantial medicinal importance. The ancient Indian medical system, Ayurveda, traditionally used Velvet bean, even to treat such things as Parkinson’s disease. Velvet bean has been shown to have anti-parkinson and neuroprotective effects, which may be related to its anti-oxidant activity. It is a good source of L-DOPA as well as anti-diabetic.