Partner preference index in both 5 mg zinc treated group and controls was positive. In the control group, time spent by males, with estrous and diestrous females, was 21.75 sec. (SEM 2.26) and 13.62 sec. (SEM 1.05) respectively. In the zinc treated group they spent 20.87 sec. (2.09 SEM) with estrous and 14.37 sec. (SEM 0.70) with diestrous females. The PPI of controls and zinc treated group was 8.12 Sec. (SEM 2.32) and 6.50 Sec. (SEM 1.76) respectively. There was no significant difference between the two groups, P > 0.05.
The art of acupuncture has become the new treatment for everything from back pain, depression, and even ED. Impotence could be more of a state of mind, and acupuncture may help. Through this alternative therapy, fine needles are placed in various parts of the body to relieve pain or stress. Although there are many mixed studies for acupuncture and ED, many tend to confirm positive results. A 1999 study found acupuncture improved the quality of erection and even restored sexual activity in 39 percent of participants.
That’s no joke. Like every part of the body, the male repro system needs the right nutrients for optimal health, from function to fertility. Studies have isolated several nutrients that are particularly beneficial. You can get them through these best foods for your penis, or these best proteins for your penis, but we’ve broken them down here by nutrient in case you want to ensure you’re getting enough. (And if you do decide to go the supplement route, as always, talk to your doctor and never exceed recommended dosages.)
3. Men With Bad Lipid Readings.  One study examined men with both erectile dysfunction and "dyslipidemia."  Dyslipidemia is medical speak for bad HDL, LDL, triglyceride or some combination of the three.  They gave these men 1.5 grams of niacin, which is a megadosed amount, and is a favorite of Dr. Davis.  (See my  Review of Track Your Plaque for Dr. Davis' approach to plaque regression.) Besides the above listed benefits, niacin will also a) lower triglycerides, b) boost HDL, c) increase particle size and d) decrease LDL particle counts.  All of these are very anti-atherosclerosis and great for your arteries. 
L-arginine, or arginine, is an amino acid found in red meat, poultry, fish, and dairy products that helps expand blood vessels and increase blood flow. “The body uses this semi-essential amino acid as the primary building block for nitric oxide,” explains Harry Fisch, M.D., clinical professor of urology and reproductive medicine at Weill Cornell Medical College/New York Presbyterian Hospital.
One study found that sticking to a Mediterranean diet rich in virgin olive oil, vegetables, fruits, whole grains, nuts, and fish was associated with a lower risk of ED development and improvement in people who already suffered from ED. There is also some evidence that vegetarian and vegan diets may lower the risk of some types of heart disease, which in turn decreases the likelihood of developing ED.

The art of acupuncture has become the new treatment for everything from back pain, depression, and even ED. Impotence could be more of a state of mind, and acupuncture may help. Through this alternative therapy, fine needles are placed in various parts of the body to relieve pain or stress. Although there are many mixed studies for acupuncture and ED, many tend to confirm positive results. A 1999 study found acupuncture improved the quality of erection and even restored sexual activity in 39 percent of participants.


When a man becomes sexually excited, muscles in their penis relax. This relaxation allows for increased blood flow through the penile arteries. This blood fills two chambers inside the penis called the corpora cavernosa. As the chambers fill with blood, the penis grows rigid. Erection ends when the muscles contract and the accumulated blood can flow out through the penile veins.


Diet and lifestyle changes should come first when treating male sexual dysfunction. Any man experiencing erectile dysfunction should see a doctor right away to determine the cause and to diagnose any underlying health condition that may be contributing to this issue. Herbs can be a great way to support a man experiencing any type of sexual dysfunction. In the case of impotence, Yohimbe may be a great help support to the body when working to support a man through this very difficult reproductive issue.
Despite the name, horny goat weed actually helps improve your erection, not libido.  Botanically known as epimedium, this herb has been used by the Chinese for centuries to treat, among other things, low libido and erectile dysfunction. “A growing body of research shows that isolated icariin—the extract of epimedium—inhibits the enzyme phosphodiesterase-5 (PDE-5) and significantly increases nitric oxide synthase, helping to improve erectile function,” says Fisch. In fact, this is the same mechanism that Viagra works through (but the herb comes with a way better name).
Many studies have been conducted on this topic; their results have been challenged by lack of controlled groups and non-randomization. Randomized controlled trials (RCTs) are generally accepted as the most valid method for determining the efficacy of a therapeutic intervention, because the biases associated with other experimental designs can be avoided.Non-randomized controlled trials, can detect associations between an intervention and an outcome. But they cannot rule out the possibility that the association was caused by a third factor linked to both intervention and outcome. Random allocation ensures no systematic differences between intervention groups in factors, known and unknown, that may affect outcome. Randomized controlled trials are the most rigorous way of determining whether a cause-effect relation exists between treatment and outcome and for assessing the cost effectiveness of a treatment (45, 22).

This scenario raises a key concern for us (and should for you as well) about what is recommended to treat erectile dysfunction. I performed a quick Google search on kegels as treatment for the pelvic floor, and found hundreds of websites instructing men to perform kegels to ameliorate erectile dysfunction, have longer and stronger erections – a quick and easy fix. I found a few sites instructing men to perform anywhere from 50-100 repetitions per day (insanity). I discovered a new book called Male Pelvic Fitness, a “user manual to your man parts


This content is provided as a service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), part of the National Institutes of Health. The NIDDK translates and disseminates research findings through its clearinghouses and education programs to increase knowledge and understanding about health and disease among patients, health professionals, and the public. Content produced by the NIDDK is carefully reviewed by NIDDK scientists and other experts.
The views expressed in this article intend to highlight alternative studies and induce conversation. They are the views of the author and do not necessarily represent the views of hims, and are for informational purposes only, even if and to the extent that this article features the advice of physicians and medical practitioners. This article is not, nor is it intended to be, a substitute for professional medical advice, diagnosis, or treatment, and should never be relied upon for specific medical advice.
L-arginine. L-arginine is an important amino acid that the body needs to build proteins. Because L-arginine has been shown to improve blood flow, some alternative practitioners have recommended that the supplements be used to treat ED. The Natural Medicines Comprehensive Database, which is a reliable authority on alternative medicines, says L-arginine is possibly effective for treating erectile dysfunction. But Harris warns that "although this supplement could improve blood flow, side effects can be dangerous." L-arginine can cause an allergic reaction or worsen asthma in some people; it can also lower blood pressure.
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.
These medications don’t work for everyone but they are easy to use and work for around 60% of people who try them. They work by making it easier to get an erection by reducing the effect of (inhibiting) the chemical PDE-5. This chemical is used in the body to make sure there isn’t too much blood in the penis during an erection, but if you have erectile dysfunction then this chemical ends up over-compensating.
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.
Does drinking water improve erectile dysfunction? Erectile dysfunction or ED is a common concern for men. Everyday factors, such as hydration levels, may affect a person's ability to get or maintain an erection. Drinking water may, therefore, help some men with ED. In this article, learn about the link between hydration and ED, and other factors that can cause ED. Read now
Lastly, it should be remembered that many individuals without dyslipidemia take niacin as a preventative measure. If you plan to take more than about 800 mg of niacin a day, it is a good idea to have your liver tested periodically just to make sure that your liver has no problem with high-dose niacin. These liver tests are the same used to check for liver toxicity in people taking statins, from which there is a higher likelihood of liver toxicity compared to taking niacin. The principal problem from taking statins is muscle damage which is serious enough to be life-threatening. This problem does not occur with those who take niacin. Not to be forgotten, niacin has been found to prolong orgasm.
"The problem with alternative treatments for any medical problem, including erectile dysfunction, is that until you have about 20 well-controlled studies over several years, you really don't know what you are working with," cautions Richard Harris, MD, a urologist at Gottlieb Memorial Hospital, part of the Loyola University Health System in Chicago.
Female rats were injected subcutaneously estradiol benzoate 12 μg in olive oil and 0.5 mg progesterone (Sigma chemicals, USA) in olive oil, 48 hrs and six hours prior to introduction to the males.[11] A cervical smear was observed under a light microscope and females in their estrous cycle were included in the study. Observations were performed during the dark phase of the day cycle (19.00 hours) under dim red light. After two hours of the last dose, rats were placed individually in transparent observation cages for 15 minutes adaptation period. A stimulus-receptive female was introduced to each male by gently dropping them in to the observation cage.
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.
In the human body, folic acid interacts with vitamin B12, pantothenic acid, and vitamin B7 (also called vitamin H or biotin). The signs of biotin deficiency can be hair loss, skin inflammation, skin pallor, mucous membrane inflammation, depression, drowsiness, anemia, blood sugar disorders, muscle pain, poor appetite, nausea, and insomnia. Besides, a person feels tired, irritable and depressed. Consequently, male libido and sexual activity reduce. In turn, this negatively affects sexual performance.
The human body only contains 2 or 3 grams of zinc at any given time. Zinc is distributed throughout the body in organs, blood, and bones. It can be difficult to diagnose zinc deficiency. While a low blood zinc level does indicate a deficiency, a normal blood level does not necessarily indicate the absence of a deficiency. And examination of the hair for zinc or a zinc taste test (ZTT) may also be used for supportive evidence in the diagnosis of zinc deficiency.
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