Also known asVelvet bean, Cowitch                        IntroductionMucuna pruriens, one of the more popular Ayurvedic herbs, contains L-dopa which is a precursor to the neurotransmitter dopamine. Mucuna has been used for generations in India for Parkinson's disease. Inside the body, L-dopa converts into dopamine, an important brain chemical involved in mood, sexuality, and movement. Mucuna pruriens also has a host of other minor alkaloids that have a stimulating effect on the body and mind.These are sold by weight. (28g) so depending on the size of the mucuna pruriens bean, it could range from 25-75 beans!