Alpha-cyclodextrin (αCD) is a bacterial product that is widely used as a food ingredient. In the EU, αCD is regulated as a "dietary fiber" with an authorized health claim that it contributes to the reduction of post-prandial glycemic responses. In the US αCD is GRAS (generally recognized as save), but the FDA recently rejected the inclusion of αCD in the list of "dietary fibers", because "the strength of the scientific evidence does not support a finding of a beneficial effect of αCD on postprandial blood glucose ...". The meta-analysis presented here provides a review of studies conducted on the effect of αCD on the rise of blood glucose levels after consumption of ~50 g of starch.