Article paid for by: PlayTogga, partners playtogga. Read more in our editorial policy. The first thing to remember is that the sample offers may be subject to any eligibility requirements or restrictions. Millions of men worldwide suffer from erectile dysfunction ED , which is commonly treated with the popular drug Viagra. As with sildenafil, a high-fat meal or alcohol keep the body from absorbing it as quickly.Avanafil (Stendra). Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body . REX MD is your online source for real ED medications, delivered. direct to your door for FREE. It’s Fast, Easy and Affordable. We guarantee the lowest price per tablet on .  · 2. Rex MD – Free Viagra Samples. Rex MD is a men’s health-focused telemedicine service. They provide free prescription pharmaceutical samples for .