Insurance can help you save even more on consultations and medications. Online ED consultations offer privacy, convenience, and affordability while allowing you to quickly get the medications you need—the same day, with some services. Other warning signs of an unsafe online pharmacy include outdated medication, no customer service, or suspiciously low prices. While each PDE5 inhibitor differs slightly, they’re very similar in treating erectile dysfunction. It depends on the platform and insurance provider.Typical dosing for Sildenafil (Viagra) The typical dose is to take 50 mg of sildenafil (Viagra) by mouth, about 1 hour before sex, as needed. The maximum recommended dose is mg. Don’t take sildenafil (Viagra) more than once daily (at any dose). Written by Brian Leonard, PharmD, BCACP, BCGP. Best Online ED Prescription of Best for Generic Pills: Sesame; Best for Daily Cialis: Lemonaid; Best for Viagra: Roman; Best for Stendra: Hims; Best All-In-One Service: Rex MD; Best ith Insurance: PlushCare; Best Chewable Pill: BlueChew; Best Long-Term Care: K Health; Best Low Cost: GoodRx; Fastest Delivery: Blink Health.