Methadone is a synthetic opioid agonist used for chronic pain and also for opioid use disorder. Buy Methadone online as it helps in treating heroin dependence. It is taken daily to relieve heroin withdrawal symptoms and reduce cravings for heroin. The length of Methadone treatment should be a minimum of 12 months. It usually comes in the form of a fruit-flavored drink. The power is dissolved and taken orally once a day.