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Damiana
Deer Velvet
Ginseng, Korean
Grass Pollen Extract
Human Growth Hormone
Horny Goat Weed
Muira Puama
Nopal
Prickly Pear Cactus
Maca
Pycnogenol
Saw Palmetto
Tribulus terrestris
Viagra
Yohimbe

Maca; Lepidium meyenii

Proposed Uses: Male Sexual Dysfunction; Adaptogen (Fighting Stress); BPH (Benign Prostate Enlargement); Diabetes ; Fatigue; Female Infertility; Female Sexual Dysfunction; Hypertension; Male Infertility

Maca is a Peruvian root used both as food and medicine. It is sometimes called "Peruvian ginseng," not because the plants have any botanical relationship, but because their traditional uses are somewhat similar.

Maca is widely marketed for improving male sexual function, female sexual function, and both male fertility and female fertility. However, at present there is no reliable evidence that it actually provides any benefits at all.

Much of the evidence for maca comes from animal studies. In one study in rats, use of maca enhanced male sexual function. Animal studies have had mixed results regarding male and female fertility.

There are two published human trials on maca, performed by a single research group.
In one small 12-week, double-blind, placebo-controlled study, use of maca at 1,500 mg or 3,000 mg increased male libido. While this was an interesting finding, the study did not report benefits in male sexual function, just desire. Since loss of sexual function (e.g., impotence) is a more common problem in men than loss of sexual desire, these results do not justify the widespread claim that maca has been shown to act like a kind of herbal Viagra.

Contrary to widespread reporting, maca does not appear to increase testosterone levels, or, in fact, affect any male hormones.

Dosage
The usual dose of maca is 500–1,000 mg three times a day.

Safety Issues
In the two reported human clinical trials, use of maca has not led to any serious adverse effects. However, this herb has not undergone comprehensive safety testing.

Feature Article

The Fountain of Youth?

What if I told you that it may be possible for you to live to age 100 or even longer, in better health than you are in right now? And, if you are already experiencing the ill effects of aging, what if I told you that it may be possible for you to look and feel 20 years younger and stay that way beyond the age of 100.

Aside from the fact that you'd probably call me crazy, I have to tell you that we have never been as close as we are today to actually being able to extend human life!

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