Men with erectile dysfunction can be treated with the medication BigFun 50. Sildenafil citrate, a component in this medication, is used to improve blood flow to men's penile tissues. You should only take one dose of this medication every day. When having sex, this medication helps males achieve a hard erection. It's crucial to speak with a physician before using this medication. This medication is not recommended for use by women or minors and is only for men above the age of 18. This medication takes about 30 minutes to take effect. This medication takes four to six hours to take effect. For additional information, go to doublepills.com, our website.