Damiana is a small shrub which grows in Mexico Texas and parts of South America Originating from its use by Mexican Indians Damiana has a time - honoured reputation it is mentioned in literature as an aphrodisiac It owes its properties to a greenish volatile oil which smells like chamomile and a bitter substace called damiana. Damiana is also used in cases of overwork mental stress and nervous debility Recommended for -Sexual Disorders - Aphrodisiac - Depressive states - Constipation