비아그라에 대한 최고의 가이드

Shake the bottle nicely for at least 10 seconds right before Just about every use. Get rid of the cap by pushing it down and twisting it counter-clockwise. Push the plunger with the syringe, then insert the tip in the bottle whilst Keeping the bottle upright over a flat surface. Slowly but surely pull back again the plunger till the expected dose.