I'm looking to lose weight a bit faster than i have been i bought dexyfen from (gnc) i'm wondering if it's safe to mix with a 36mg dose of concerta?

The obvious secret: Yes, you can mix Concerta and Dexyfen. However, if you are serious about loosing weight, simply eat less, exercise more and focus on the quality of the food. For the long term results, see your doctor for help. Take care.

Heart arhythmia risk: Not a good idea. Could cause cardiac arrythmias. I quote: "Caffeine Warning: The recommended serving of this product contains approximately as much caffeine as three cups of coffee. Do not consume caffeine or synephrine from other sources, including but not limited to coffee, tea, soda and other dietary supplements or medications containing phenylephrine or caffeine. Too much caffeine."

Losing Weight: Cocerta is not an appetite suppressant medication, it is a medication for the treatment of ADD one of its side effects is weight lost at the beginning of treatment but afterwards your appetite returns to normal. Dexyfen contains caffeine, pepper mint, rice, Yohimbine, My recommendation is not to mix the stimulant contents of Dexyfen and Cocerta you could suffer from sudden increase of BP, heart at