Cigarette manufacturers not only increased the amount of nicotine but also found the way to instantly deliver it into the brain. By adding chemicals such as ammonia and urea, they assure a proper alkaline pH, allowing all nicotine to be converted into the free-based form.

Zyban has been shown to help people cease smoking, and has been long established. Zyban can help people feel alert and energetic and the fact that Australia even subsidizes it means it is an efficacious product.