One study published in 2013 found that it releases nitric oxide, a feature that may contribute to an erectile response independent of testosterone level. Tribulus also increases testosterone and luteinizing hormone as well as DHEA. Tribulus is a favorite of athletes and body builders, some of whom have reported increased breast tissue at high dosages, due to the conversion of testosterone to estrogen. Although Tribulus has been used for centuries in the East, researchers in the West have yet to document its safety.
Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.

The Science: Some studies have implied that feeding maca to domestic cattle increases sperm production, but there is very little data about any sexual effect on humans. One very small randomized double-bind trial of men with erectile dysfunction found that men taking maca extract reported a small increase in their ability to get erections. But so did the control group. As with the fenugreek study, a similar study with a larger group of people is needed to see whether any differences between the controls and the maca-eaters are real.

In diabetes, vasoconstrictors and vasoactive factors are increased in addition to structural changes and attenuation of relaxation responses in the corpus cavernosum. A shifting of the balance of vasoactive factors occurs such that relaxation factors (eg, nitric oxide [NO]) are inhibited and contractile factors are induced in microvascular disease. With epidemiological predictions suggesting that the incidence of diabetes mellitus will increase to 300 million by 2025, management of diabetes-induced ED is increasingly important.

One study published in 2013 found that it releases nitric oxide, a feature that may contribute to an erectile response independent of testosterone level. Tribulus also increases testosterone and luteinizing hormone as well as DHEA. Tribulus is a favorite of athletes and body builders, some of whom have reported increased breast tissue at high dosages, due to the conversion of testosterone to estrogen. Although Tribulus has been used for centuries in the East, researchers in the West have yet to document its safety.
Erectile dysfunction (ED) is defined as the “inability to reach and maintain erection during the intercourse” (1) leading to the victim’s experience of inadequate libido, inefficient orgasm and retarded or premature ejaculation. In Recent times, ED has been labeled as the most common sexual problem among pleasure-seeking males and a complaint of all men irrespective of their age, race and culture but age is the most important risk factor for ED (2). It is reported that nearly 100 million people around the world are living with erectile dysfunction. Yet, only 10% of these 100 million, i.e., 10 million are opting for treatment, despite enormous advancements and treatment facilities in all parts of the world (2). To cite a few countries, in China and Korea only 9% and 30% males voluntarily admit to having ED (2) and in most of the other countries in Asia, it is still considered very sensitive with considerable social stigma and secretly will resort to herbal remedies and tonics before seeking conventional medical help.

Prescription drugs called “oral phosphodiesterase-5 (PDE5) inhibitors” are considered the “first-line non-invasive treatment” options for patients with ED. These include the drugs that go by brand names: Sildenafil, Vardenafil or Tadalafil. They work by helping the smooth muscle cells lining the blood vessels that supply the penis with blood to work properly. This allows a man to maintain an erection more easily.
Some of the herbs used in these herbal ED pills are aphrodisiacs which enhance testosterone secretion in male body. This hormone rejuvenates exhausted reproductive system, stimulates nerve functions and improves strength and endurance of other organs of male genital region. Optimum availability of testosterone hormone removes all sorts of debilities which may occur in male reproductive system due to reasons of ED or due to ageing and diseases. Higher testosterone level promoted by these herbal ED pills promote higher sensation in male genital region to cause intense arousals, active nerves promoted by these best ED pills stimulate sensation and also delay a male’s ejaculation for longer period. All these benefits provide natural erectile dysfunction treatment by causing intense arousals and promote powerful erections.

There are so many potential reasons a man might develop erectile dysfunction (ED), it's nearly impossible to generalize the best ways to treat it. What works for one man may not work for another simply because they are having problems for different reasons. That said, it may encouraging to hear that there are a variety of options that may be considered, from psychological counseling to lifestyle changes, medications to treatments and devices.


Another important natural source of non-essential amino acid, L-Arginine is well studied to support many bodily functions even though its usually present in low quantities, especially as we started to age it is one of the most . One of the biggest benefits to our body is L-arginine or L Citruline (Our body converts L-citrulline to L-arginine, another type of amino acid) is converted into nitric oxide (proven), which causes blood vessels to open wider is its capability to improve blood flow and better circulation for Erectile Dysfunction.
If you’re stressed about not being able to maintain an erection, there are more reliable and scientifically tested methods out there. Drinking less alcohol, eating healthier foods, staying away from sugar, and doing pelvic exercises have all been proven to partially help with ED. The best part to these alternatives to the “alternative”?  They are inexpensive and don’t require a shaman.

Move a muscle, but we're not talking about your biceps. A strong pelvic floor enhances rigidity during erections and helps keep blood from leaving the penis by pressing on a key vein. In a British trial, three months of twice-daily sets of Kegel exercises (which strengthen these muscles), combined with biofeedback and advice on lifestyle changes — quitting smoking, losing weight, limiting alcohol — worked far better than just advice on lifestyle changes.
For many men, stopping smoking is an erectile dysfunction remedy, particularly when ED is the result of vascular disease, which occurs when blood supply to the penis becomes restricted because of blockage or narrowing of the arteries. Smoking and even smokeless tobacco can also cause the narrowing of important blood vessels and have the same negative impact. 
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