Cenforce is a drug commonly used to treat erectile dysfunction (ED). It contains sildenafil as an active ingredient, which is also found in Viagra. Buy Cenforce online which increases blood flow in the penile and helps get a sexual erection. But to get its benefits, learning how to use it properly is necessary. You can take it 30 minutes to 1 hour before sexual activity. The drug requires sexual stimulation to work effectively, so timing is critical for the best results. Cenforce online, which contains Sildenafil, reaches peak blood concentrations around 30 to 120 minutes after taking the drug. The effects of Sildenafil can last for about 4 to 6 hours.