SUBUTEX (buprenorphine) sublingual tablet can be an uncoated oval white flat bevelled edged tablet, debossed with an alphanumeric word pinpointing the solution and energy on a person side. It has buprenorphine HCl, a partial agonist in the mu-opioid receptor, which is available in two dosage strengths, 2 mg buprenorphine and eight mg buprenorphine