Aphrodisiac Claims Small-scale clinical trials performed in men have suggested that maca extracts can improve semen quality, and boost libido.[19][20] A small double-blind, randomized, parallel group dose-finding pilot study has shown that Maca root may highly alleviate SSRI-induced sexual dysfunction.[21] A 12-week randomized, double-blind, placebo-controlled study in 56 subjects found that Maca has no effect on sex hormone levels in men, including LH, FSH, prolactin, 17-OH progesterone, testosterone, or estradiol.[22] A recent review states "Randomized clinical trials have shown that maca has favorable effects on energy and mood, may decrease anxiety and improve sexual desire. Maca has also been shown to improve sperm production, sperm motility, and semen volume."[23] In total more than 160 studies into the health effects of Maca have been indexed by the United States National Library of Medicine, National Institutes of Health.[24] A 2010 review of the extant evidence for the effect of Maca on libido, however, found only tentative support for its aphrodisiac claims.[25] http://en.wikipedia.org/wiki/Lepidium_meyenii
Damiana has long been claimed to have a stimulating effect on libido, and its use as an aphrodisiac has continued into modern times. More recently, some corroborating scientific evidence in support of its long history of use has emerged. Several animal testing studies have shown evidence of increased sexual activity in rats of both sexes. Damiana has been shown to be particularly stimulating for sexually exhausted or impotent male rats[5][6] as well as generally increased sexual activity in rats of both sexes.[7] It has also been shown that damiana may function as an aromatase inhibitor, which has been suggested as a possible method of action for its reputed effects.[8]
Damiana is an ingredient in a traditional Mexican liqueur, which is sometimes used in lieu of Triple Sec in margaritas. Mexican folklore claims that it was used in the "original" margarita. The damiana margarita is popular in the Los Cabos region of Mexico.[10][11]
In the state of Louisiana, Damiana is considered a "prohibited plant" along with 39 other plants by Louisiana State Act 159, effective 8 August 2005. Any combination of any of the parts, leaves, stems, stalks, seeds, materials, compounds, salts, derivatives, mixtures, preparations, or any resin extracted from any part of the plant is illegal to possess or distribute for human consumption in the state of Louisiana. This was due in part to an increase in the number of synthetic cannabis overdoses from a variety of chemically-infused plant material formulations, most of which contained Damiana as a primary ingredient.[16][17][18]
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