Buy Suboxone Online get 10% off in your first order with free shipment. Suboxone contains a combination of buprenorphine and naloxone. Buprenorphine is an opioid medication, sometimes called a narcotic. Naloxone blocks the effects of opioid medication, including pain relief. It’s available in four strengths i.e 2mg, 4mg, 8 mg, 12mg.