Tadalafil based Cialis is the most effective product for treating erectile problems. It is a more modern product than Viagra and offers a 3 times longer lasting effect - with only one Cialis pill you get a healthy and strong erection for 24 hours! Sometimes you might feel the power for another 36 hours after taking the pill. Cialis's operating principles are easy to understand. Its basic element - Tadalafil - makes the bloodstream much better in the genital area. Reproductive organs get enough blood circulation for long-lasting and strong erections. The best thing about Cialis is that this product can often be used without long breaks - Cialis is very safe. If you have any doubts about the product, you can discuss it with your therapist or your doctor, and he will definitely enhance your safety. In fact, this is the biggest reason why men worldwide buy Cial every day.