Virectin has 17 ingredients which claim to increase blood flow to the penis. The result is to enhance a man’s sexual erection. Virectin includes Damiana. WebMD confirms Damiana can have side effects. But only if you have diabetes or recent surgery. 61% of current Virectin Customer Reviews on Amazon are 3 stars or lower. Certain Virectin Reviews Complaints for Men Over 50 claim Virectin is not a particularly powerful pill for Men Over 50. Other Virectin Reviews complain Virectin has to be taken every single day.