Tribulus Terrestris restores and improves libido sexualis, improves and prolongs the duration of an erection. It exerts a stimulating effect on spermatogenesis by increasing the number or spermatozoa and their mobility. It may increase the level of testosterone by 33%.

Maca works by normalizing our steroid hormones such as testosterone. It therefore has the facility to forestall the hormonal changes of aging. It acts on men to restore them to a healthy functional status in which they experience a more active libido.

Yohimbe, a natural aphrodisiac, and has gained a reputation for increasing libido as well as improving male sexual performance by enhancing the size and staying power of erections. Scientific studies on yohimbe conducted since the 1930s have confirmed that the herb has definite effects on aspects of sexual performance. It works by expanding the blood vessels in the penis, causing increased blood flow. In addition, it increases the formation of Nitrous Oxide, a natural substance that is important for producing an erection.

Avena Sativa - Modern studies at the Institute for Advanced Study of Human Sexuality have shown that Avena Sativa helps improve interest in sex. Researchers at the institute have discovered that Avena Sativa works by freeing up testosterone. When testosterone is free, nature takes its course by stimulating sexual interest. Avena Sativa nutritionally supports your body's chemistry to enhance sexual desire, sensation and performance.

Epimedium (Yin Yang Huo) – The Chinese believe they have something better than our pharmaceuticals for sexual health, an herb called Yin Yang Huo, or "horny goat weed." Yin Yang Huo has been shown to stimulate the supra renal glands, and triggers increased hormonal secretions. Research has shown that male sperm count and semen density increase substantially. Yin Yang Huo also expands the circulatory system's blood vessels, while allowing hormone-enriched blood to penetrate sensitive tissues

Supplement Facts Serving Size: 1 Dropper (1 Ml) Servings per container: 30
	Amount Per Serving	US RDV
Proprietary Blend: Yohimbe Bark Extract, Avena Sativa Extract, Tribulus Extract, Maca, Epimedium.	19.1 mg	**
** No RDA has been established Other ingredients: Purified Water, Phosphilipid, Glycerin, Capric Caprylic Triglyceride, Glyceryl, Monolaurate, Polysorbate-80, Sodium Lauryl Sulfate, Ethyl Alchohol, Stevia Rebaudiana Extract, Potassium Sorbate, Spearmint Oil, Methylparaben.
Hypo Allergenic: Contains no yeast, wheat, corn soy, milk, salt, sugar, starch, artificial colors, or artificial flavors.
Suggested Adult Usage: Empty 1 full dropper under the tongue and hold for 30 to 60 seconds and then swallow. Use 15 to 45 minutes before sexual activity. Keep out of reach of children: Not for anyone under the age of 18 yrs, pregnant or lactating women.

References:

Adimoelja A .Phytochemicals and the breakthrough of traditional herbs in the management of sexual dysfunctions. Int J Androl; 23 Suppl 2:82-4, 2000.

Leder BZ; Longcope C; Catlin DH; Ahrens B; Schoenfeld DA; Finkelstein JS. Oral androstenedione administration and serum testosterone concentrations in young men. JAMA; 9; 283(6): 779-82 Feb 2000.

Pittler MH. Yohimbine in therapy of erectile dysfunction. Fortschr Med; 116(1-2): 32-3, Jan 20, 1988.
Adaikan PG; Gauthaman K; Prasad RN; Ng SC. Proerectile pharmacological effects of Tribulus terrestris extract on the rabbit corpus cavernosum. Ann Acad Med Singapore; 29(1): 22-6, Jan 2000.

Vogt HJ; Brandl P; Kockott G; Schmitz JR; Wiegand MH; Schadrack J; Gierend M.Double-blind, placebo-controlled safety and efficacy trial with yohimbine hydrochloride in the treatment of nonorganic erectile dysfunction. Int J Impot Res; 9(3): 155-61, September 1997.