Naltrexone (Adepend, Vivitrol, Nalorex, Relistor, Revia.) approved for the treatment of opioid dependence and alcoholism.
Nausea is a known side effect, associated with the immediate release of Naltrexone, which affects its tolerability.
ER formulation for better tolerability.
Bupropion (Aplenzin, Elontril, Forfivo, Zyban, Magerion, Quomem, Wellbutrin).
Approved for depression, smoking cessation. Cause less often side effects, compared to similar drugs.