FastEhome.com- Đăng kí mở Shop bán hàng miễn phí Vigora 100 is considered effective for many men in treating erectile dysfunction, with the effects generally lasting 4 to 6 hours. Sildenafil works best when there is sexual stimulation—it will not cause an erection on its own but will help facilitate one in response to arousal. It is important to follow dosing instructions carefully and discuss any medical conditions or other medications with your doctor to ensure it is safe for you. It should also be used with caution by individuals with low blood pressure or other cardiovascular issues. Always consult a healthcare provider before use.