Pumpkin seeds are one of the best dietary sources of zinc and magnesium—essential minerals shown to boost testosterone levels and growth factor hormone, especially when combined. In fact, college football players who took a nightly zinc-magnesium supplement showed a 30 percent increase in testosterone levels and a 13 to 16 percent increase in leg strength, one eight-week trial found. The seeds are also a rich source polyunsaturated fatty acids shown to boost prostaglandins — hormone-like substances that play a key role in feeling turned on. Grab some, or choose any of these 50 Best Snacks for Weight Loss!
Another common cause of ED for many men is stress. When the body is under stress—either mental or physical—the sympathetic nervous system kicks in, releasing a cascade of stress hormones. Chronic stress leads to elevated levels of these hormones, which can lead to weight gain around the middle, and remember, those excess fat cells convert testosterone to estrogen. Stress also reduces sexual drive and leaves very little physical energy for sex. If chronic stress is a problem, try these supplements:
These “sea pistachios,” as Kimmy Schmidt called them, are no joke.They’re one of the richest food sources of erection-enhancing Vitamin B12 you can find. The boner-boosting bivalves are also high in L-arginine, an amino acid that converts to nitric oxide (NO), the Marvin Gaye of naturally occurring gases: It causes blood vessels to relax and facilitate blood flow, helping you get and stay hard. Additionally, clams are high in muscle-building protein.
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Yohimbine. This chemical is found in the bark of an African tree called yohimbe. It has been used as a male aphrodisiac in Africa, and under medical supervision it has been used as a prescription drug to treat ED. Supplements made from yohimbe bark are also available without a prescription, but they can be life-threatening if used at high doses, according to the Natural Medicines Comprehensive Database. The supplement can interact in a harmful way with certain drugs, such as blood pressure medications, and should be avoided by anyone with liver, kidney, heart, or diabetes problems or problems with anxiety or depression. Like DHEA, yohimbine should not be taken without a doctor's supervision.
Another potential cause of ED is prediabetes and diabetes—35-50 percent of men with diabetes also have ED. Chronically elevated blood sugar damages the arteries (there’s the vascular connection again) and nerves, including those that stimulate the penis. Prediabetes and diabetes are also generally accompanied by excess weight, especially around the mid-section. These excess fat cells convert testosterone into estrogen, negatively altering the testosterone to estrogen ratio. This excess estrogen, independent of prediabetes and diabetes, interferes with the hormonal cascade necessary to produce and maintain an erection. Although many men may reach for a testosterone booster, a more effective means is to improve the body’s metabolism and elimination of estrogen and to lose excess weight around the middle. To support healthy blood sugar balance and estrogen metabolism try:
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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