if generic versions of Toprol-XL and other timed-release drugs work as well as the brand

Some patients are asking if generic versions of Toprol-XL and other timed-release drugs work as well as the brand.

This stems from a recent ConsumerLab.com report that shows some metoprolol extended-release generics dissolve faster than Toprol-XL.

They reported a similar problem with Wellbutrin XL generics last year...but FDA says these ARE bioequivalent.

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