David Gomes completed his M.S Professional degree in California Institute of Technology. He lives in Oakland, California, USA. He loves to write on a variety of topics such as joint health, weight loss, beauty and skin care for blogs and on-line publication sites. He also loves latest technology, gadgets. You can connect with him on Google+ and Twitter.


The final study we will be examining in this article took a novel approach to by dosing 16 healthy male subjects with 7.7 milligrams of yohimbine tartrate and 6 grams of L-arginine glutamate and comparing it to a placebo. Depending on their group each subject was randomly assigned to consume the placebo one week and the novel compound the other week.
Green vegetables, legumes, seeds, nuts and brown rice are among the best sources of dietary magnesium. Most other foods don’t contain enough of the mineral to contribute to daily recommended levels, which is why many people choose to take a magnesium supplement or a daily multivitamin that contains magnesium. If you’re concerned about your overall magnesium level, particularly as it relates to erectile function, discuss supplement options and dietary changes with your doctor.

In conceiving the potential solutions to issues around erectile dysfunction, it’s really helpful to understand clearly how an erection is achieved and completed. To achieve an erection, there needs to be some form of stimulation, either from touch or some sort of audiovisual stimuli.  Once the stimulation occurs, chemical messengers are released and blood starts to fill into the penis. In terms of the musculature, the bulbospongiosus and ischiocavernosus muscles need to be relaxed so blood can fill the area completely. Then the bulbospongiosus needs to contract to keep the blood in the penis. The erection ‘completes’ with the rhythmic contraction of the bulbospongiosus muscle.


Latest research studies highlighted that a daily dose of Vitamin B3 or Niacin brings a drastic improvement in the erectile function of men dealing with the problem of high cholesterol. This result reveals that about 80 men, who consumed Niacin and started the study with either moderate or severe level of erectile dysfunction highlighted a significant improvement in the ability of maintaining an erection.
Reduction of the libido index was the major disadvantage that we observed with zinc supplementation. Substances that affect libido usually act centrally and may reduce desire by causing sedation or hormonal disturbances.[17] The role of elevated levels of PRL in serum as an inhibitor of sexual drive and gonadal function is well established.[18] This reduction of sex drive may occur through the modification of activity of dopaminergic neurons in the CNS that are regarded as controlling sexual motivation and function.[19] Our study demonstrated a significant increase of serum PRL level (2.9 to 7.22 ng/dl) within two weeks of supplementation of zinc (5 mg/day). This is a possible explanation for the reduced libido with increasing doses of zinc observed in this study.
A complete sexual behavioral cycle of males involved pre sexual performances, copulation and ultimate ejaculation. Pre sexual behavior comprises physical contact with the female, sniffing and licking of female genital area, licking of their own penis, and few mounts without intromissions. Although all induced females were screened for receptivity, some females showed a mild rejection in the beginning. However, there were no rejections when they were coupled with very active males. All animals which completed the behavioral cycle showed a normal pattern of behavior (not an aberrant sexual behaviour) during the observation period.
An Italian study in 1994 on 63 patients with psychogenic impotence showed that yohimbine, the active ingredient in the inner bark of the Yohimbe tree, improves libido and sexual stimulation. Half of the patients were given 15mg orally of yohimbine and the antidepressant trazodone 50mg orally per day, the other half a placebo, over an 8-week period. Of the half that received the yohimbine, 71 percent had an increase in sexual desire, erectile function, and ejaculation, as compared with only 22 percent in the placebo group. Patients receiving the placebo then were given the yohimbine tablets over a new 8-week course and of that group, 74 percent showed improvement. After a 3- and 6-month follow-up, positive results were maintained in 58 percent of the patients. To me this is very notable, as the antidepressant trazodone is known to cause sexual dysfunction as a side effect.
I was heartbroken because i had very small penis, not nice to satisfy a woman, i had so many relationship called off because of my situation, i have used so many product which i found online but none could offer me the help i searched for. i saw some few comments about this specialist called Dr James and decided to email him on [email protected]
Researchers at Johns Hopkins University last year looked at 3,400 healthy Americans and found that men who were vitamin D deficient were 32% more likely to have trouble getting it up than those with sufficient levels, even after adjusting for other ED risk factors. In fact, the connection is so common, Walker says D levels are something he always checks in ED patients. Why? The sunshine vitamin is crucial for keeping the endothelial cells that line blood vessels healthy. Without enough of the stuff, blood flow is inhibited, affecting everything from your heart to your hard-on.
The paired t-test was used to assess differences in responses using various doses of yohimbine in responders and nonresponders. Responder and nonresponder changes in tumescence, rigidity, and other physiologic responses over the entire study period were compared using independent t-tests (assuming equal variances). Independent t-tests were repeated to determine whether significant differences existed in the mean numbers of risk factors, age, or side effects among groups. Matched pairs t-tests were used to compare Florida Sexual History Questionnaire responses at each dose. Finally, χ2 analysis (or Fisher's exact test when appropriate) was used to compare the two groups on dichotomous sexual satisfaction ratings at the end of the trial; 95% confidence intervals were consistently examined to determine the magnitudes of differences detected. Two-tailed P-levels were used in reporting all results. SPSS 9.0 statistical software (SPSS Inc, Chicago, IL, USA) was used for analysis.
Acupuncture. Acupuncture has been used for centuries to treat ED and impotence in China. A recent review of studies on acupuncture for erectile dysfunction was published in the British Journal of Urology International. After reviewing four studies, the authors concluded that there was not sufficient evidence to say that acupuncture worked. However, some experts believe it's worth trying. "Acupuncture can work," says Gilbert. "It probably works best to treat the psychological component of ED. There is very little downside to trying it."
What are the alternatives to viagra? Erectile dysfunction, when a man cannot achieve or maintain an erection, is a common condition that causes much distress. Viagra is just one of several drug treatments that can help relieve the problem. Other methods and treatments can help, too, including alternative herbal remedies that people may wish to try. Read now
If you can achieve erection on your own, but you then are unable to keep it while with your partner, it could be related to anxiety, stress, or any sort of relationship issue. There has been extensive research conducted into all potential contributors to erectile dysfunction, including increased use of Internet pornography, assuming that excessive use of internet pornography can change the way the brain perceives arousal, therefore changing the desired response. Dan Savage also explores this topic on his love and sex advice podcast, the Savage Lovecast. If your dysfunction is related to anxiety, stress, or relationship issues, it may be time to explore therapy with a sex-positive provider, or even meditation.
Because the study included only subjects with dyslipidemia, the results may not be applicable to those with ED who have a normal serum lipid profile. Furthermore, patients using aspirin or NSAIDs were excluded to avoid the effect of these drugs in inhibiting prostaglandin D production, which may be one of the potential mechanisms for the effects of niacin on ED. It should be noted that it is quite common for ED patients to have coexisting cardiovascular disease that requires the use of aspirin. Therefore, further study on the interaction of aspirin and niacin in ED patients may be needed to establish the role of niacin in clinical usage.
Handful of things can cause erectile dysfunction, but healthy vitamins supply for erection will make your sex life very soothing and romantic. Healthy blood vessels are necessary for good circulation, as blood is pumped around the body to carry nutrients to the cells. Vitamins can help the blood vessels to dilate or open so blood can fill the manhood. 
A double-blind, partial crossover study on the therapeutic effect of yohimbine hydrochloride on erectile dysfunction was done in 82 sexually impotent patients. All patients underwent a multifactorial evaluation, including determination of penile brachial blood pressure index, cavernosography, sacral evoked response, testosterone and prolactin determination, Derogatis sexual dysfunction inventory and daytime arousal test. After 1 month of treatment with a maximum of 42.0 mg. oral yohimbine hydrochloride daily 14 per cent of the patients experienced restoration of full and sustained erections, 20 per cent reported a partial response to the therapy and 65 per cent reported no improvement. Three patients reported a positive placebo effect. Maximum effect takes 2 to 3 weeks to manifest itself. Yohimbine was active in some patients with arterial insufficiency and a unilateral sacral reflex arc lesion, and in 1 with low serum testosterone levels. The 34 per cent response is encouraging, particularly in a Veterans Administration population presenting with a high incidence of diabetes and vascular pathological conditions not found in regular office patients. Only few and benign side effects were recorded, which makes this medication worth an attempt, often as a first line of treatment even at a dose of 8 tablets.
You may find that using a vacuum device requires some practice or adjustment. Using the device may make your penis feel cold or numb and have a purple color. You also may have bruising on your penis. However, the bruises are most often painless and disappear in a few days. Vacuum devices may weaken ejaculation but, in most cases, the devices do not affect the pleasure of climax, or orgasm.
Yohimbine also helps to increase levels of the coenzyme NAD (or nicotinamide adenine dinucleotide). This affects metabolism, cognitive processes, and detoxification of drugs in the body. NAD is not currently used to treat cognitive or mood-related disorders on its own, but has been shown in some studies to potentially have uses for preventing neurodegenerative diseases including Parkinson’s disease or Alzheimer’s. However on the other hand, studies have found that because it can increase anxiety in some patients, yohimbine may actually worsen mental illness in some patients, including those with Parkinson’s. (15) For this reason, it’s important for anyone taking mood-altering medications, or who has a history of any cognitive or mood disorder, to work with a professional while taking or starting any new herbal treatments.
Researchers found that this compound, delivering 6mg of yohimbine HCL and 3.25g of L-arginine, significantly improved erectile function in those with mild-to-moderate ED. [15] L-arginine is an amino acid that acts as a precursor to and plays a critical role in nitric oxide production. Yohimbine paired with a compound encouraging nitric oxide production may be the perfect combination for significantly decreasing or eliminating symptoms of erectile dysfunction.
Besides that, dyslipidemia (and hypercholesterolemia in particular), remain undertreated in many patients diagnosed with coronary artery disease. High triglycerides, a contributor to cardiovascular dysfunction by many but not all studies, are somewhat treatable with fibrates, yet there are significant limitations for their use. Elevated fasting triglyceride levels have been shown to be a strong risk factor for ischemic heart disease, independent of other known risk factors for atherosclerosis.
Some medical self-help books make niacin sound like a panacea for health-conscious people with rising cholesterol levels and shrinking budgets. Because this B vitamin is cheap and sold over-the-counter at drug and health food stores, people see no reason to check with the doctor before tossing back a handful of pills. What they may not know is that the high doses (1,500-3,000 mg) needed to lower cholesterol levels can cause serious complications. (As a dietary supplement, 10-20 mg is usually recommended). To add to the confusion, niacin comes in two forms: immediate- and sustained-release preparations.
The number of intromissions in the 5 mg/day group was comparable with controls. On the other hand number of penile thrusting was significantly increased with the same dose. These are indications of unimpaired erectile function due to supplemented zinc. Our observations also confirmed the lack of aberrant sexual behavior which is indicative of uninhibited penile tactile sensations.[15] Sexual behavior may also be changed with motor weaknesses and incoordination.[12] Supplementation with zinc did not impair muscle strength or coordination when tested with bar and bridge tests, indicating that prolongation of ejaculation was not mediated through these mechanisms.
Erectile dysfunction supplements and other natural remedies have long been used in Chinese, African and other cultures. But unlike prescription medications for erectile dysfunction, such as sildenafil (Viagra), vardenafil (Levitra, Staxyn), tadalafil (Cialis, Adcirca) and avanafil (Stendra), erectile dysfunction herbs and supplements haven't been well-studied or tested. Some can cause side effects or interact with other medications. And the amount of the active ingredient can vary greatly from product to product.

However, a recent study that involves yohimbe supplementation to athletes ended with an unsatisfactory result. According to this study, yohimbe did not have any significant effects on body mass, muscle mass and exercise performance even after it was taken for 21 days. Even though it helped burn body fat, it may not be a useful supplement for boosting endurance.9
Penile erection is a hemodynamic process involving increased arterial inflow and restricted venous outflow, coordinated with corpus cavernosum and penile arterial smooth muscle relaxation. Any problem in this mechanism results in ED, and its etiology is generally multifactorial (6). Diabetes, hypertension, high serum cholesterol level, peripheral vascular disease and cardiac problems are significantly found together with ED (7). However, vascular reasons predominate in the etiology of ED and it frequently appears along with atherosclerosis (7). It is known that atherosclerotic lesions prevent blood flow into cavernosal tissues resulting in ED (8).
Erectile dysfunction (ED) is one of the most common sexual problems that men deal with. There are a host of different causes of ED that range from nutrient deficiencies to clinical depression. It’s important to talk to a medical professional about ED, in order to determine the cause of the issue before exploring treatment options. That said, erectile dysfunction has been found in recent years to be a symptom of zinc deficiency.
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