Those sold as supplements are dubious as to effect, the perscription ones do work. They are not an excuse to over eat but a way to control blood glucose level rise for those who must try to control it. It does not do harm to organs, it just means that some additional carbs pass in the gut and/or are absorbed more slowly.
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Do any of these "carb blockers" really do any good, or are they just junk? Do these carb blockers damage or kill your liver or internal organs?
