Tomatoes and Pink Grapefruit contain phytonutrient known as Lycopene. Lycopene is excellent for the circulation of blood and sexual problems. Mixing lycopene with oily foods including, olive oil and avocados enhances the absorption of lycopene.
Another placebo-controlled study showed that taking two 800 milligram tablets for two weeks improved erectile function in men with minimal erectile dysfunction. There’s also research that suggests using l-arginine in combination with l-glutamate and yohimbine hydrochloride is more effective than using l-arginine alone. (27)

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Alprostadil can also be inserted in the form of tiny pellets into your urethra (the tube that carries urine and sperm out of the body). Some people prefer taking alprostadil this way rather than via an injection, however this method is less effective than injecting it directly into the penis. The most common side effect of taking alprostadil suppositories is pain in the penis or urethra. It’s also advised that you wear a condom if you have sex after taking an alprostadil suppository to avoid exposing your partner to it.