But in this case, zinc is much harder to absorb. This explains a decrease in testosterone levels in vegetarians. Slippery jack mushrooms, button mushrooms, beef liver, and fish are also rich in zinc. They are followed by breadstuffs, egg yolk, rabbit, chicken, beans, tea, and cocoa. In addition, zinc is found in onions, garlic, and rice. And a very small amount of zinc is available in fruits, vegetables, and milk.
Moreover, it has a positive effect on the nervous system, liver, skin, and mucous membranes, as well as keeps skin, nails, and hair healthy. And of course, what is important for men, erectile dysfunction treatment with vitamin B2 relieves symptoms of the most hateful male disease. Moreover, this vitamin is well-known as a supplier of sexual energy and vitality.

In the end, the data from the Hong Kong study suggest that niacin alone can improve the erectile function of subjects with dyslipidemia suffering from ED. This is the first time this conclusion has appeared in the literature. Once again, the effect of niacin is clinically significant in those with moderate to severe ED. Further, because of the close relationship between ED and dyslipidemia, niacin could prove to be an important therapy for managing both conditions. Who knows? There may even be other benefits. Future studies will further refine the indications and benefits of niacin in patients with ED.
Erection is a complex physiological process in which vascular factors play a pre-eminent role. Therapeutic options for men with arteriogenic erectile dysfunction (ED) are mainly administration of phosphodiesterase type 5 inhibitors, intracavernous injections of vasoactive agents (for example, prostaglandin El, papaverine/phentolamine, or triple drug), intraurethral administration of prostaglandin El, and administration of centrally acting drugs (11, 12). However, all of these methods circumvent the patient's problem temporarily, and patients are not cured of impotence, they will remain dependent on these treatments for the remainder of their sexually active lives. An effective treatment that cures the problem permanently is needed where penile revascularization and exercise remain treatment options for such patients. However, due to the complexity of penile revascularization such as cost ineffectiveness, unavailability of experts, side effects of surgery and high failure rates among the elderly (13) have left people with ED at the mercy of exercise.
Can one of the B vitamins actually improve erectile dysfunction?  The research makes a strong case that Niacin, a.k.a. Vitamin B3, does indeed do just that for a big percentage of men. Of course, this is a inexpensive help to erectile issues, as high niacin foods and supplements are cheap and readily available.  Below I summarize the most prominent human evidence to date that shows which men will likely benefit and why:
In the present study zinc caused an elevation of T. This showed an increase from 2.39 to 8.21 ng/dl after two weeks of zinc treatment. This elevated T level may have contributed to the increase in number of penile thrusting (from 26.5 to 52.8) observed. Supplementation with 459 μmol/day of zinc for three months, in marginally zinc deficient healthy elderly men, has been shown to increase the levels of serum T from 8.3 to 16 ng/dl.[25] Laboratory experiments indicate that the nitric oxide erectile pathway is T dependent.[26] Many studies using animal models have confirmed that T is important in modulating the central and peripheral regulation of erectile dysfunction. T deprivation has a negative impact on the structure of penile tissues and erectile nerves.[27] Thus, elevated T levels subsequent to zinc supplementation may increase the sexual competence via rigid and sustained erection. This may promote greater tactile stimulation of the penis due to increased contact with vagina.[25]
But researchers emphasize that immediate-release niacin should remain as a treatment option for high cholesterol. "The point of our study is not that niacin should be avoided, but that the immediate-release preparation is the preferred form, and that medical supervision and evaluation are necessary for people taking this drug," said James McKenney, professor and chairman of the division of clinical pharmacy at the Medical College of Virginia.
Anxiety. There is mixed evidence about the effectiveness of yohimbine, the active ingredient in yohimbe, for treating anxiety related to phobias. Some research suggests that it does not improve anxiety when combined with exposure-based therapy used to reduce fear of flying. However, other research suggests that taking yohimbine along with exposure-based therapy helps treat claustrophobia better than exposure-based therapy alone. The effect of yohimbe bark on anxiety is not clear.
A daily dose of niacin improves erectile function, particularly in men with high cholesterol, according to a 2011 study in The Journal of Sexual Medicine. The vitamin helps increase blood flow and reduce inflammation—one of the underlying causes of both high cholesterol and erectile dysfunction. “Vitamin B3 is also used to make sex hormones and other important chemical-signal molecules,” says Fisch. Like many of the others on our list, this tablet is most powerful when taken in conjunction with others: A cocktail of propionyl, L-carnitine, L-arginine, and niacin taken for three months improved 40% of erections in a study from researchers at Sapienza University of Rome in Italy.
For best results, men with ED take these pills about an hour or two before having sex. The drugs require normal nerve function to the penis. PDE5 inhibitors improve on normal erectile responses helping blood flow into the penis. Use these drugs as directed. About 7 out of 10 men do well and have better erections. Response rates are lower for Diabetics and cancer patients.
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Medicines like I-Arginine and viagra, can fix your problems for hours but vitamins and amino acids will cure erection problems for long term. Remember, not to take vitamins and medications (I-Arginine) at the same time as it can react in your body. Discuss your doctor before adding any vitamin to your routine. Apart for I-Arginine and other pills, here we have given some vitamins to quick fix your problem and have a better sex life.
Niacin is another class of lipid-lowering agents, about which research dates back at least 55 years.2 Not only does niacin lower low-density lipoprotein (LDL-C, the “bad” cholesterol), total cholesterol, and triglycerides, it increases HDL-cholesterol (HDL-C, the “good” cholesterol) by inhibition of lipolysis in adipose tissue, which eventually leads to improvement in all lipid parameters. Furthermore, there are studies suggesting that niacin can improve the clinical outcome in cardiovascular disease, and that it may lead to the regression of atherosclerotic plaque. Dyslipidemia is closely related to erectile dysfunction (ED) and evidence has shown that statins can improve erectile function. However, the potential role of that other lipid-lowering agent, niacin, hasn’t been known until now.
Vitamin B5 (Pantothenic acid) is irreplaceable if you wish to increase life expectancy. Vitamin B5 has a positive impact on the nervous system and intestinal motility. Calcium pantothenate is a form of vitamin B5 that has a powerful anabolic effect, enhances the synthesis of steroid hormones, and takes part in the synthesis of coenzyme A. In addition, calcium pantothenate helps release energy from foods. So, to a large extent, it improves your body’s endurance and stamina, as well as increases human tolerance to different loads.
There was a higher incidence of adverse events in those taking niacin. However, most patients could tolerate it at the maximum dosage (1,500 mg/day). With this in mind, niacin could be an alternative choice of treatment for patients with ED. Despite the success of phosphodiesterase type 5 inhibitors (PDE5 inhibitors), such as sildenafil, only around 60–70% of patients have a satisfactory response to this class of drugs. And there are adverse effects such as headache, flushing, dyspepsia, nasal congestion, and impaired vision, including photophobia and blurred vision. Hence, there is a need to develop other therapeutic agents for those patients who do not respond satisfactorily to PDE5 inhibitors or are contraindicated for those such as sildenafil.
Three of the randomized studies (25–27) that contributed to the present study data indicated the positive role of both interval and continuous aerobic training in the dual management of both ED and cardiovascular disorders (hypertension and ischemic heart disease ,respectively); this is not surprising because of the arterogenic interrelationship between ED and several cardiovascular disorders. The physiological basis for the therapeutic role of continuous exercise in the management of both ED and some cardiovascular disorders as reported in the present study, could be related to the biochemical, neural and hormonal changes in the blood vessel walls that induce an acute and long-term blood vessel relaxation. The blood vessels might relax after each exercise session because of body warming effects; local production of certain chemicals, such lactic acid and NO; decreases in nerve activity; and changes in certain hormones and their receptors (32, 33). Over time, as the exercise is repeated, there appears to be a growing evidence of a prolonged effect. Thus, chronic (regular, longterm) physical training might reduce basal concentrations of inflammatory markers.
Cai, T., Verze, P., Massenio, P., Tiscione, D., Malossini, G., Cormio, L. ... Mirone, V. (2016, August 12). Rhodiola rosea, folic acid, zinc and biotin (EndEP®) is able to improve ejaculatory control in patients affected by lifelong premature ejaculation: Results from a phase I II study. Experimental and Therapeutic Medicine, 12(4), 2083-2087. Retrieved from https://www.spandidos-publications.com/10.3892/etm.2016.3595