If you bike a lot and have a very narrow saddle on your bicycle, consider switching to a "no-nose seat" which is wider at the back than a conventional saddle, allowing more of your weight to be distributed to the sitting bones. Make sure the seat is level or angled slightly downward and at a height that allows your knee to be just slightly bent at the bottom of the pedal cycle. Raising the handlebars on your bike so that you're sitting upright may also help.
The researchers noted that "when patients were stratified according to the baseline severity of ED, the patients with moderate and severe ED who received niacin showed a significant improvement in IIEF-Q3 scores (0.56 0.96 [P = 0.037] and 1.03 1.20 [P < 0.001], respectively) and IIEF-Q4 scores (0.56 1.03 [P = 0.048] and 0.84 1.05 [P < 0.001], respectively] compared with baseline values, but not for the placebo group...For patients not receiving statins treatment, there was a significant improvement in IIEF-Q3 scores (0.47 1.16 [P = 0.004]) for the niacin group, but not for the placebo group. Niacin alone can improve the erectile function in patients suffering from moderate to severe ED and dyslipidemia." 
A variety of personal habits and lifestyle choices have been linked to ED. In some ways, this is a good thing, since habits can be broken and choices reconsidered. What's more, many of the lifestyle factors that contribute to sexual problems are ones that affect overall health and well-being, both physical and mental. Addressing these factors, therefore, can have benefits beyond improving erectile dysfunction.
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.
In addition to male sexual health, zinc is needed for burn and wound healing, proper digestion and utilization of carbohydrate foods, including: fruits, grains, sweets and vegetables as well as protein foods like beans, eggs, tofu or meat. Zinc is also necessary for the body to manufacture at least 200 different enzymes needed for various aspects of metabolism and life. Our blood, bones, brain, heart, liver and muscles require adequate amounts of this essential mineral to function properly.
Yohimbe A number of clinical trials have shown that the primary component of this bark from an African tree can improve sexual dysfunction associated with selective-serotonin reuptake inhibitors (SSRIs) used to treat depression. This herb has been linked to a number of side effects, including increased blood pressure, fast or irregular heartbeat, and anxiety. Yohimbe shouldn't be used without a doctor's supervision.
There have been only a few well-controlled studies to test the effects of herbal yohimbe (as opposed to medications) on humans. There’s some evidence that yohimbine has potential to enhance the nitric oxide pathway, helping to bring blood flow to the corpus cavernosum tissue of the penis. It may also stimulate the pelvic nerve ganglia and boost adrenaline supply to nerve endings. It seems to have the most effects overall when combined with other treatments or herbal remedies. (6) One study that evaluated the effects of yohimbe on ED found that those taking the herbal remedy experienced slight benefits compared to a control group that was not taking the supplement.
The problem with this though is that there are a lot of websites that are claiming to have a specific exercise technique or perhaps very effective male enhancement products that can guarantee erectile dysfunction. Be careful not to fall for a male enhancement scam. Even though erectile dysfunction may be stressful or difficult to discuss about, there are proven and safe methods that can help you in dealing with it.
Aerobic exercises and pelvic floor exercises are two of the best methods to start with. As a matter of fact, you can see improvements on your condition without having to witness the side effects of other male enhancement products. For one, there are certain male enhancement products which should not be taken if you are suffering from other types of medical condition. For instance, if the product contains substances that may react to the male enhancement ingredients of a product, you may suffer from certain consequences.
The researchers reasoned from other studies that when the degree of endothelial dysfunction and atherosclerosis are more severe, the effects of niacin and statins as lipid-lowering agents are also more apparent. Their current study seemed to bear this out. Also, in another study assessing the effect of a PDE5 inhibitor in patients using a statin, patients with higher baseline serum LDL-C had better improvement in erectile function after the use of a PDE5 inhibitor. This supports the researchers’ hypothesis that patients with potentially more serious endothelial dysfunction, such as those with higher LDL-C levels, may have better response to the combination usage of a PDE5 inhibitor and niacin.
Geraerts, I., van Poppel, H., Devoogdt, N., de Groef, A., Fieuws, S., & van Kampen, M. (2016, January–February). Pelvic floor muscle training for erectile dysfunction and climacturia 1 year after nerve sparing radical prostatectomy: A randomized controlled trial [Abstract]. International Journal of Impotence Research, 28(1), 9–13. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/26538105
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).
Between 2001–2006, one-third of the US population had insufficient amounts of vitamin D, according to the Institute of Medicine. Risk factors for vitamin D deficiency include obesity and high BMI, not enough sun exposure or outdoor activity, having darker skin and suffering from certain from inflammatory conditions like Crohn’s disease. You can get a blood test to find out if you’re vitamin D deficient.
Two years ago I took regular Niacine for about a year to lower LDL and increase HDL. I did not want to take Statins because of its side effects. I was being monitored by my Dr. because of the effect on liver enzymes. I took 1.5 gr together with Phytosterols. The treatment was effective and the only side effect were the flushes which I found could be eliminated by having 500 mg at the end of each of the 3 main meals. I stopped treatment for a year or so, but now the Dr. suggested I start taking Niacine. or Statins. I chose Niacine (Nicotine Acid) and started with 500 mgs for 3 days; increased it to 1000 mgs. for 4 more days, until I increased it to 500 mgs x 3 for a total of 1.5 grms/day taking 500 mgms/meal. I started noticing my gradual decrease in libido this time almost inmediately. I do not take any other medicines as such I'm definitely inclined to blame Niacine because I have taken Phytosterols for 3 years and my libido was fine. I'm a senior. Hope this will help!