.Zyban is great! Zyban is used in the aid to quit smoking, or the withdrawal from nicotine. Zyban does not have any proven side affects. I used Zyban and it worked wonders for me, Zyban works in about 90 days, it took me 2 weeks longer to quit then the doctor said. I was smoking two packs a day! Zyban saved my life! You can order Zyban online. I purchase Zyban and my other meds online at InternetMedsFAST. COM. They really are FAST! You don’t even need a prior prescription! Their order process could not be simpler, just select the prescription meds you need, fill in the medical questionnaire, and submit your order. They have US licensed Doctors Write your prescription, then a US Licensed Pharmacy ships out your order via Next Day Fed ex delivery.. I swear you will stop smoking with zyban! Good Luck!