Bupropion M B9

I was taking bupropion MPI 3332, round white tablet(Generic Welbutrin 30xl), I changed pharmacies and recieved this white oblong caplet with M B9 printed on one side. I felt alot of anxity start to build over the next few days and the one cigarette I had finally worked down to(ultra light 72 [the teeny shot ones]), was now back up to half pack or more and full on regular light 100's! I thought nothing of it other than a breif passing moment while in the pharmacy and that was that. Well now hindsight 20/20 I think these are crap and switch backed to my old pharmacy and doing much better.

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Hi T Beau,

Sorry to hear about your experience with that other generic you switched over to. From what I understand, there could've been a lot less of the actual active ingredients in that particular manufacturer's version of Bupropion. The FDA allows up to 20% more or less Bupropion than that found in brand name counterparts, which is why many generics tend to be a hit or miss.

After comparing a list of "inactive" ingredients, I can also see that the white M B9 pill is loaded with nearly double the amount of binders and fillers as WPI 3332. This is just another factor that has a strong affect on the overall efficacy and bioavailability of each tablet. In either case, it's good to hear that you finally got back on the one brand that does work. You can view a list of binders and fillers for each tablet, posted below:

Inactive Ingredients in M B9:
ferrosoferric oxide
silicon dioxide
hydrochloric acid
hypromellose
magnesium stearate
mannitol
methacrylic acid - ethyl acrylate copolymer (1:1) type a
microcrystalline cellulose
polyethylene glycol
polysorbate 80
polyvinyl alcohol
povidone
propylene glycol
stearic acid
magnesium silicate
triethyl citrate

Inactive Ingredients in WPI 3332:
silicon dioxide colloidal
ethylcellulose
hydroxypropyl cellulose
methacrylic acid - ethyl acrylate copolymer (1:1) type a
microcrystalline cellulose
stearic acid
magnesium silicate
titanium dioxide
hydrochloric acid
triethyl citrate


I hope this info helps!

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