Thank you, young man for putting up your question. Although, I don’t know much about any such study that reveals how effective this medicine is and whether it has side effects or not. But yes dpovar is supposed to be a herbal drug. It contains extracts of Passiflora, Folic acid, Graffonia seed, vitamin B6 and Kava Kava. Studies reveal that these herbs help in increasing seratonin level in the brain. This hormone is found in human brain and is responsible in delaying premature ejaculation. The herbs in dapovar help the brain to produce increased amount of seratonin, thereby delay ejaculation. However you must not take any drugs without proper consultation from a doctor and it is likely that things written in porn stars magazines may be wrong. All I can say with in my knowledge I haven’t came across studies that show the efficiency and effectiveness of this medicine. Therefore I would restrict myself from commenting upon its efficiency or side effects as such. But yes, I would advise you to consult your doctor in case you need more help than just medication. You must make sure what exactly the cause of your problem is and then only decide upon the kind of treatment you would go with. Premature ejaculation is not a big problem and can be easily treated if taken full caution with prescribed medicines. Hope your question is answered. Wish you good Luck for future.