When taken at the correct time and paired with sexual stimulation, the erection lasts long enough for successful intercourse. Most online providers require a picture of a valid ID, a selfie showing your face, and a recent blood pressure reading taken with a home blood pressure monitor or by a medical provider. Finally, we checked customer reviews to better understand user experiences with each platform. We considered cost, medications available, and whether generic versions were offered to help reduce costs. Stendra avanafil : This is an as-needed medication taken 30 minutes before sex and can last up to six hours. Finding an online ED provider can feel overwhelming.If you’re looking to purchase Cialis or generic Cialis (tadalafil) to treat ED, telemedicine services like Hims, Roman, and Lemonaid are great options. A quick look at the 3 best places to buy. Cialis (tadalafil) is a prescription medication for those with erectile dysfunction. Many providers sell Cialis online — learn about the safest and most discreet providers here. $ est. cash price $ with free coupon View Coupon Text Free Coupon $ with free coupon View Coupon Text Free Coupon $ with free coupon View Coupon Text Free Coupon.