Is name brand wellbutrin xl more effective than generic (bupropion)? taking generic but too many side effects and little effect on mood after 4 weeks.

For some, yes: For all medicines sold in the us, the fda requires that the active ingredient in wellbutrin (bupropion) be equally present in brand name and generic products. However, each generic manufacturer might use different fillers or dyes in its formulation. Pharmacies buy generics in quantity, and might change suppliers from month to month. Some (not all) patients notice differences in their results.